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2011

Hargather, M. J., Lawson, M. J., Settles, G. S., and Weinstein, L. M., "Seedless velocimetry measurements by schlieren image velocimetry," AIAA Journal, 49(3)611-620, 2011.

Hargather, M. J., Staymates, M. E., Madalis, M. J., Smith, D. J., and Settles, G. S., "The internal aerodynamics of cargo containers for trace chemical sampling and detection," IEEE Sensors Journal, 11(5):1184-1193, 2011.

2010

Biss, M. M. and Settles, G. S., "On the use of composite charges to determine insensitive explosive material properties at the laboratory scale," Propellants, Explosives, Pyrotechnics, 35:452-46, 2010.

Craven, B. A., Paterson, E. G., and Settles, G. S., "The fluid dynamics of canine olfaction: unique nasal airflow patterns as an explanation of macrosmia," Journal of the Royal Society Interface, 7(47):933-943, 2010.

Hargather, M. J. and Settles G. S., "Background-oriented schlieren visualization of heating and ventilation flows: HVAC-BOS," Proceedings of the 14th International Symposium on Flow Visualization, Daegu, Korea, June 2010, paper no. 266.

Hargather, M. J., Settles, G. S., and Madalis, M. J., "Schlieren imaging of loud sounds and weak shock waves in air near the limit of visibility," Shock Waves, 20(1):9-17, 2010.

Hargather, M. J. and Settles G. S., "Natural-background-oriented schlieren imaging," Experiments in Fluids, 48(1):59-68, 2010.

Settles, G. S., "Important developments in schlieren and shadowgraph visualization during the last decade," Proceedings of the 14th International Symposium on Flow Visualization, Daegu, Korea, June 2010, paper no. 267.

2009

Craven, B. A., Paterson, E. G., Settles, G. S., and Lawson, M. J., "Development and verification of a high-fidelity computational fluid dynamics model of canine nasal airflow," Journal of Biomechanical Engineering, 131(9):091002-2 - 091002-11, 2009.

Hargather, M. J. and Settles, G. S., "Laboratory-scale techniques for the measurement of a material response to an explosive blast," International Journal of Impact Engineering, 36:940-947, 2009.

Hargather, M. J. and Settles, G. S., "Retroreflective shadowgraph technique for large-scale flow visualization," Applied Optics, 48(22):4449-4457, 2009.

Settles, G. S., Krause, E., and Fütterer, H., "Theodor Meyer - lost pioneer of gas dynamics," Progress in Aerospace Sciences, 45(6-8):203-210, 2009.

Tang, J. W. and Settles, G. S., "Coughing and masks," New England Journal of Medicine, 361(26):e62, 2009.

Tang, J. W., Liebner, T. J., Craven, B. A., and Settles, G. S., "A schlieren optical study of the human cough with and without wearing masks for aerosol infection control," Journal of the Royal Society Interface, 6:S727-S736, 2009.

Hargather, M. J., Lawson, M. J., Settles, G. S., Weinstein, L. M., and Gogenini, S., "Focusing-schlieren PIV measurements of a supersonic turbulent boundary layer," Proceedings of the 47th AIAA Aerospace Sciences Meeting, Orlando, Florida, January 2009, AIAA Paper 2009-69.

2008

Biss, M. M., Settles, G. S., and Sanderson, S. R., "Differential schlieren-interferometry with a simple adjustable Wollaston-like prism," Applied Optics, 47(3):328-335, 2008.

Kleine, H. and Settles, G. S., "The art of shock waves and their flowfields," Shock Waves, 17(5):291-307, 2008.

Tang, J. W. and Settles, G. S., "Coughing and aerosols," New England Journal of Medicine, 359(15):e18, 2008.

Settles, G. S., Hargather, M. J., Lawson, M. J., Bigger, R. P., and Madalis, M. J., "Schlieren imaging of shock waves in air at the extreme weak limit," Proceedings of the 13th International Symposium on Flow Visualization, Nice, France, July 2008, paper no. 277.

Hargather, M. J., Settles, G. S., Dodson-Dreibelbis, L. J., and Liebner, T. J.,"Natural-background-oriented schlieren imaging," Proceedings of the 13th International Symposium on Flow Visualization, Nice, France, July 2008, paper no. 275.

2007

Craven, B. A., Neuberger, T., Paterson, E. G., Webb, A. G., Josephson, E. M., Morrison, E. E., and Settles, G. S., "Reconstruction and morphometric analysis of the nasal airway of the dog (canis familiaris) and implications regarding olfactory airflow," The Anatomical Record, 209(11):1325-1340, 2007.

Hargather, M. J., Settles, G. S., and Gatto, J. A., "Optical measurement and scaling of blasts from gram-range explosive charges," Shock Waves, 17(4):215-223, 2007.

Staymates, M. E., Settles, G. S., Shi, K., and Liu, Z., "Supercontinuum laser illumination applied to traditional optical flow imaging methods," Optics Communications, 273:252-255, 2007.

Hargather, M. J., Settles, G. S., and Gatto, J. A., "Gram-range explosive blast scaling and associated materials response," Proceedings of the 26th International Symposium on Shock Waves, Göttingen, Germany, July 2007.

Biss, M. M., Hargather, M. J., Settles, G. S., Dodson, L. J., and Miller, J. D., "High-speed digital shadowgraphy of shock waves from explosions and gunshots," Proceedings of the 26th International Symposium on Shock Waves, Göttingen, Germany, July 2007.

Porter, J., Craven, B. A., Chang, S.-J., Kang, I., Judcewicz, B., Khan, R. M., Volpe, J. A., Settles, G. S., and Sobel N., "Mechanisms of scent-tracking in humans," Nature Neuroscience, 10(1):27-29, 2007.

2006

Hargather, M. J., Settles, G. S., and Gatto, J. A., "Optical measurement, characterization, and scaling of blasts from gram-range explosive charges," Proceedings of the 4th International Aviation Security Technology Symposium, Washington, D.C., November-December 2006.

Hargather, M. J., Settles, G. S., Gatto, J. A., Grumstrup, T. P., and Miller, J. D., "Full-scale optical experiments on the explosive failure of a ULD-3 air cargo container," Proceedings of the 4th International Aviation Security Technology Symposium, Washington, D.C., November-December 2006.

Staymates, M. E., Smith, D. J., and Settles, G. S., "The internal aerodynamics of cargo containers for trace explosives sampling," Proceedings of the 4th International Aviation Security Technology Symposium, Washington, D.C., November 2006.

Settles, G. S., "On the fluid dynamicist as an artist," Proceedings of the 12th International Symposium on Flow Visualization, Göttingen, Germany, September 2006.

Settles, G. S., Tremblay, G., Cimbala, J. M., Dodson, L. J., and Miller, J. D., "Teaching fluid mechanics with flow visualization videos," Proceedings of the 12th International Symposium on Flow Visualization, Göttingen, Germany, September 2006.

Craven, B. A. and Settles, G. S., "A computational and experimental investigation of the human thermal plume," Journal of Fluids Engineering, 128(6):1251-1258, 2006.

Volpe, J. A. and Settles, G. S., "Laser-induced gas breakdown as a light source for schlieren and shadowgraph particle image velocimetry," Optical Engineering, 45(8):08059, 2006.

Jonassen, D. R., Settles, G. S., and Tronosky, M. D., "Schlieren "PIV" for turbulent flows," Optics and Lasers in Engineering, 44(3-4):190-207, 2006.

Settles, G. S., "High-speed imaging of shock waves, explosions and gunshots," American Scientist, 94(1):22-31, 2006.

Settles, G. S., "Fluid mechanics and homeland security," Annual Review of Fluid Mechanics, 38:87-110, 2006.

2005

Edge, B. A., Patterson, E. G., and Settles, G. S., "Computational study of the wake and contaminant transport of a walking human," Journal of Fluids Engineering, 127(5):967-977, 2005.

Mates, S. P. and Settles, G. S., "A study of liquid metal atomization using close-coupled nozzles, part 2: atomization behavior," Atomization and Sprays, 15(1):41-59, 2005.

Mates, S. P. and Settles, G. S., "A study of liquid metal atomization using close-coupled nozzles, part 1: gas dynamic behavior," Atomization and Sprays, 15(1):19-40, 2005.

Settles, G. S., Grumstrup, T. P., Miller, J. D., Hargather, M. J., Dodson, L. J., Gatto, J. A., "Full-scale high-speed "edgerton" retroreflective shadowgraphy of explosions and gunshots," Proceedings of the 5th Pacific Symposium on Flow Visualization and Image Processing, Australia, September 2005.

Settles, G. S., "Sniffers: fluid-dynamic sampling for olfactory trace detection in nature and homeland security - the 2004 Freeman Scholar Lecture," Journal of Fluids Engineering, 127(2):189-218, 2005.

2004

Settles, G. S., Grumstrup, T. P., Dodson, L. J., Miller, J. D., and Gatto, J. A., "Full-scale high-speed schlieren imaging of explosions and gunshots," Proceedings of the 26th International Conference on High-Speed Photography and Photonics, ed. D. L. Paisley, Alexandria, Virginia, September 2004, SPIE paper 5580-174.

Settles, G. S., "The Penn State full-scale schlieren system," Proceedings of the 11th International Symposium on Flow Visualization, University of Notre Dame, Notre Dame, Indiana, August 2004.

Settles, G. S., Benwood, J. R., and Gatto, J. A., "High-speed cinematography of internal explosions for aviation security," Proceedings of the 24th International Symposium on Shock Waves, Beijing, China, July 2004.

2003

Pandya, B. H., Settles, G. S., and Miller, J. D., "Schlieren imaging of shock waves from a trumpet," Journal of the Acoustical Society of America, 114-1(6):3363-3367, 2003.

Hanson, T. C. and Settles, G. S., "Particle temperature and velocity effects on the porosity and oxidation of an HVOF corrosion-control coating," Journal of Thermal Spray Technology, 12(3):403-415, 2003.

Settles, G. S., Benwood, J. R., and Gatto, J. A., "Optical shock wave imaging for aviation security," Proceedings of the Fluids Engineering Division Summer Meeting (FEDSM) '03, 4th ASME/JSME Joint Fluids Engineering Conference, Honolulu, Hawaii, July 2003, ASME Paper FEDSM2003-45606 1A:113-118.

Weinstein, L. M. and Settles, G. S., "Schlieren," Optical Metrology for Fluids, Combustion, and Solids, ed. C. Mercer, Kluwer Academic Press, July 2003, ISBN 1-4020-7407-7.

Hartranft, T. J. and Settles, G. S., "Sheet atomization of non-newtonian liquids," Atomization and Sprays, 13(2-3):191-221, 2003.

Settles, G. S., "True confessions of an experimentalist," Proceedings of the 33rd Fluid Dynamics Conference and Exhibit, American Institute of Aeronautics and Astronautics, Orlando, Florida, June 2003.

Settles, G. S., Keane, B. T., Anderson, B. W., and Gatto, J. A., "Shock waves in aviation security and safety," Shock Waves, 12(4):267-275, 2003.

2002

Settles, G. S., Kester, D. A., and Dodson-Dreibelbis, L. J., "The external aerodynamics of canine olfaction," Sensors and Sensing in Biology and Engineering, ed. F. G. Barth, J. A. C. Humphrey, and T. W. Secomb, Springer, Vienna & New York, December 2002.

Hanson, T. C., Hackett, C. M., and Settles, G. S., "Independent control of HVOF thermal spray temperature and velocity," Journal of Thermal Spray Technology, 11(1):75-85, 2002.

2001

Gowadia, H. A. and Settles, G. S., "The natural sampling of airborne trace signals from explosives concealed upon the human body," Journal of Forensic Sciences, 46(6):1324-1331, 2001.

Settles, G. S., Ferree, H. C., Tronosky, M. D., Moyer, Z. M., and McGann, W. J., "Natural aerodynamic portal sampling of trace explosives from the human body," Proceedings of the 3rd International Symposium on Explosive Detection and Aviation Security, Federal Aviation Administration, Atlantic City, New Jersey, November 2001.

Settles, G. S., Keane, B. T., Anderson, B. W., and Gatto, J. A., "High-speed imaging of shock-wave motion in aviation security research," Proceedings of the 3rd International Symposium on Explosive Detection and Aviation Security, Federal Aviation Administration, Atlantic City, New Jersey, November 2001.

Settles, G. S. and Kester, D. A., "Aerodynamic sampling for landmine trace detection," SPIE Aerosense Meeting, International Society for Optical Engineering, Orlando, Florida, April 2001, SPIE Aerosense Vol. 4394, paper 108.

Settles, G. S. and McGann, W. J., "Potential for portal detection of human chemical and biological contamination," SPIE Aerosense Meeting, Orlando, Florida, April 2001, SPIE Vol. 4378 paper 01.

Settles, G. S., Schlieren and shadowgraph techniques: visualizing phenomena in transparent media, Springer-Verlag, Heidelberg, September 2001, ISBN 3540661557.

Settles, G. S., "Process gas nozzles," LIA Handbook of Laser Materials Processing, Laser Institute of America, ed. J. F. Ready & D. F. Farson, LIA and Magnolia Publishing Inc., Orlando, Florida, 2001, pp. 155-156.

Keane, B. T., Settles, G. S., Anderson, B. W., and Gatto, J. A., "Shock waves in aviation security and safety," Proceedings of the 23rd International Symposium on Shock Waves, Fort Worth, Texas, July 2001.

2000

Settles, G. S., "Airflow visualization in a model greenhouse," Plasticulture 2000, Proceedings of the 15th International Congress for Plastics in Agriculture, Hershey, Pennsylvania, September 2000, pp. 88-98.

Kegerise, M. A. and Settles, G. S., "Schlieren image-correlation velocimetry and its application to free-convection flows," Proceedings of the 9th International Symposium on Flow Visualization, Edinburgh, Scotland, August 2000.

1999

Mates, S. P. and Settles, G. S., "The gas-dynamic and metal atomization performance of two different close-coupled nozzles," Powder Materials: Current Research and Industrial Practices, The Minerals, Metals and Materials Society, ed. F. D. S. Marquis, Warrendale, Pennsylvania, 1999, pp.19-38.

Settles, G. S., "Imaging gas leaks by using schlieren optics," Pipeline and Gas Journal, 229(9):28-30, 1999.

Settles, G. S., "Schlieren and shadowgraph imaging in the great outdoors," Proceedings of the 2nd Pacific Symposium on Flow Visualization and Image Processing, Honolulu, Hawaii, May 1999.

Bemis, B. L. and Settles, G. S., "Ultraviolet imaging of the anode attachment in transferred-arc plasma cutting," IEEE Transactions on Plasma Science, 27(1):44-45, 1999.

Hartranft, T. J. and Settles, G. S., "High-pressure sheet atomization of non-newtonian fluids," Proceedings of the ILASS-Americas 12th Annual Conference on Liquid Atomization and Spray Systems, Institute for Liquid Atomization and Spray Systems, Indianapolis, Indiana, May 1999.

1998

Garg, S. and Settles, G. S.,"Measurements of a supersonic turbulent boundary layer by focusing schlieren deflectometry," Experiments in Fluids, 25(3):254-264, 1998.

Settles, G. S., "HVOF thermal spray velocity, temperature, and stainless steel coating properties," Proceedings of the 16th Symposium on Energy Engineering Sciences, Argonne National Laboratory, Illinois, May 1998.

Settles, G. S., Miller, J. D., Hartranft, T. J., and Brandt, A. D., "Visualization and collection of overspray from airless spray painting," Proceedings of the 8th International Symposium on Flow Visualization, Sorrento, Italy, September 1998, Paper No. 138.

Settles, G. S., Brandt, A. D., and Miller, J. D., "Full-scale schlieren imaging of shock waves for aviation security research," Proceedings of the 8th International Symposium on Flow Visualization, Sorrento, Italy, September 1998, Paper No. 30.

Bemis, B. L. and Settles, G. S., "Visualization of liquid metal, arc, and jet interactions in plasma cutting of steel sheet," Proceedings of the 8th International Symposium on Flow Visualization, Sorrento, Italy, September 1998, Paper No. 108.

Garg, S. and Settles, G. S., "Measurements of a supersonic turbulent boundary layer by focusing schlieren deflectometry," Experiments in Fluids, 25(3):254-264, 1998.

Settles, G. S., "Overspray collection technology for robotic spray painting of navy ships," TM 97-137, Applied Research Laboratory, The Pennsylvania State University, January 1998.

1997

Settles, G. S., "A flow visualization study of airless spray painting," Proceedings of the ILASS-Americas 10th Annual Conference on Liquid Atomization and Spray Systems, Institute for Liquid Atomization and Spray Systems, Ottawa, Canada, May 1997, pp. 145-149.

Settles, G. S., "Visualizing full-scale ventilation airflows," ASHRAE Journal, 39(7):19-26, 1997.

Brandt, A. D. and Settles, G. S., "Effect of nozzle orientation on the gas dynamics of inert-gas laser cutting of mild steel," Journal of Laser Applications, 9(6):269ff, 1997.

Settles, G. S., "A flow visualization study of airless spray painting," Proceedings of the ILASS-Americas 10th Annual Conference on Liquid Atomization and Spray Systems, Institute for Liquid Atomization and Spray Systems, May 1997, pp. 145-149.

Naughton, J. W., Cattafesta, L. N. III, and Settles, G. S., "An experimental study of compressible turbulent mixing ehancement in swirling jets," Journal of Fluid Mechanics, 330: 271-305, 1997.

1996

Scroggs, S. D. and Settles, G. S., "An experimental study of supersonic microjets," Experiments in Fluids, 21:401-409, 1996.

Settles, G. S., "The neglected role of natural human-body heat and mass transfer in explosive trace detection," Proceedings of the 2nd FAA International Symposium on Explosives Detection Technology, Federal Aviation Administration, Atlantic City, New Jersey, November 1996.

Gowadia, H. A., Strine, S. B., Johnson, T. E., and Settles, G. S, "The natural aerodynamic sampling of trace explosives from the human body," Proceedings of the 2nd FAA International Symposium on Explosives Detection Technology, Federal Aviation Administration, Atlantic City, New Jersey, November 1996.

Settles, G. S. and Geppert, S. T., "Redesigning blasting nozzles to improve productivity," Journal of Protective Coatings and Linings, 13(10):64-72, 1996.

Brandt, A., Scroggs, S. D., and Settles, G. S., "An investigation of the effect of nozzle design and orientation on gas dynamic interactions during inert gas-laser cutting of mild steel," Proceedings of the International Congress on Applications of Lasers and Electro-Optics (ICALEO) '96, Detroit, Michigan, October 1996.

Hackett, C. M. and Settles, G. S., "Independent control of HVOF particle velocity and temperature," Proceedings of the 9th National Thermal Spray Conference, ASM International, ed. C. Berndt, Materials Park, Ohio, October 1996, pp. 665-673.

Mates, S. P. and Settles, G. S., "High-speed imaging of liquid metal atomization by two different close-coupled nozzles," World Congress on Powder Metallurgy and Particulate Materials, Washington D.C., June 1996.

Garg, S. and Settles, G. S., "Unsteady pressure loads generated by swept-shock-wave/boundary-layer interactions," AIAA Journal, 34(6):1174-1181, 1996.

Garrison, T. J., Settles, G. S., Narayanswami, N., Knight, D. D., and Horstman, C. C., "Flowfield surveys and computations of a crossing-shock wave/boundary layer interaction," AIAA Journal, 34(1):50-56, 1996.

Garrison, T. J., Settles, G. S., and Horstman, C. C., "Measurements of the triple shock wave/turbulent boundary layer interaction," AIAA Journal, 34(1):57-64, 1996.

1995

Settles, G. S., Hackett, E. B., Miller, J. D., and Weinstein, L. M., "Full-scale schlieren flow visualization," Flow Visualization VII, ed. J. P. Crowder, Begell House, New York, September 1995, pp. 2-13.

Knight, D., Garrison, T., Settles, G. S., Zheltovodov, A., Maksimov, A., Shevchenko, A., and Vorontsov, S., "Asymmetric crossing shock wave-turbulent boundary layer interaction," AIAA Journal, 33(6):2241-2249, 1995.

Hackett, C. M. and Settles, G. S., "Research on HVOF gas shrouding for coating oxidation control," Proceedings of the 8th National Thermal Spray Conference, ASM International, Houston, Texas, September 1995, pp. 21-29.

Hackett, C. M. and Settles, G. S., "The influence of nozzle design on HVOF spray particle velocity and temperature," Proceedings of the 8th National Thermal Spray Conference, ASM International, Houston, Texas, September 1995, pp. 135-140.

Hackett, C. M. and Settles, G. S., "The HVOF thermal spray: materials processing from a gas dynamics perspective," Proceedings of the 26th Fluid Dynamics Conference, American Institute of Aeronautics and Astronautics, San Diego, California, June 1995, AIAA Paper 95-2207.

Mates, S. P. and Settles, G. S., "A flow visualization study of the gas dynamics of liquid metal atomization nozzles," Proceedings of the 1995 International Conference on Powder Metallurgy and Particulate Materials, Seattle, Washington, May 1995.

Settles, G. S. and Garg, S., "A scientific view of the productivity of abrasive blasting nozzles," Journal of Protective Coatings and Linings, pp. 28-41, 101-102, 1995.

Knight, D., Garrison, T., Settles, G., Zheltovodov, A., Maksimov, A., Shevchenko, A., and Vorontsov, S., "Asymmetric crossing shock wave-turbulent boundary layer interaction," American Institute of Aeronautics and Astronautics, January 1995, AIAA Paper 95-0231.

1994

Settles, G. S. and Garg, S.,"A scientific view of the productivity of abrasive blasting nozzles," Proceedings of the Steel Structures Painting Council 1994 International Conference, Atlanta, Georgia, November 1994, pp. 12- 19.

Hackett, C. M., Settles, G. S., and Miller, J. D., "On the gas dynamics of HVOF thermal sprays," Journal of Thermal Spray Technology, 3(3):299-304, 1994.

Knight, D. D., Narayanswami, N., Garrison, T. J., and Settles, G. S., "Investigation of crossing shock wave-turbulent boundary layer interaction," Proceedings of the International Conference on Methods of Aerophysical Research, Novosibirsk, Russia, August 1994.

Settles, G. S. and Dodson, L. J., "Supersonic and hypersonic shock/boundary-layer interaction database," AIAA Journal, 32:1377-1383, 1994.

Naughton, J. W. and Settles, G. S., "A theoretical framework for mixing layers surrounding compressible turbulent swirling jets," American Institute of Aeronautics and Astronautics, June 1994, AIAA Paper 94-2245.

Garrison, T. J., Settles, G. S., and Horstman, C. C., "Measurements and computation of the triple shock wave/turbulent boundary layer interaction," American Institute of Aeronautics and Astronautics, June 1994, AIAA Paper 94-2274.

Garrison, T. J., Settles, G. S., Narayanswami, N., and Knight, D. D., "Laser-interferometer skin friction measurements of crossing-shock-wave/turbulent-boundary-layer interactions," AIAA Journal, 32:1234-1241, 1994.

Garrison, T. J., Settles, G. S., Narayanswami, N., Knight, D. D., and Horstman, C. C., "Comparison of flowfield surveys and computations of a crossing-shock wave/boundary layer interaction," American Institute of Aeronautics and Astronautics, June 1994, AIAA Paper 94-2273.

Hackett, C. M. and Settles, G. S., "Turbulent mixing of the HVOF thermal spray and coating oxidation," Proceedings of the National Thermal Spray Conference, Boston, Massachusetts, June 1994.

Lee, Y., Settles, G. S., and Horstman, C. C., "Heat transfer measurements and computations of swept-shock-wave/boundary-layer interactions," AIAA Journal, 32(4):726-734, 1994.

1993

Garrison, T. J., Settles, G. S., Narayanswami, N., and Knight, D. D., "Structure of crossing shock-wave/ turbulent boundary-layer interactions," AIAA Journal, 31:2204-2211, 1993.

Settles, G. S., "Swept shock/boundary layer interactions - scaling laws, flowfield structure, and experimental methods," Advisory Group for Aerospace Research and Development (AGARD) Report 792, U.S. North Atlantic Treaty Organization, Advisory Group for Aerospace Research and Development, August 1993, pp. 1-1 to 1-40.

Garrison, T. J., Settles, G. S., Narayanswami, N., and Knight, D. D., "Laser-interferometer skin friction measurements of crossing-shock-wave/turbulent-boundary-layer interactions," American Institute of Aeronautics and Astronautics, July 1993, AIAA Paper 93-3072.

Knight, D. D., Horstman, C. C., Settles, G. S., and Zheltovodov, A. A., "3-D shock wave turbulent boundary layer interactions generated by a single fin," Preprint 1-93, Institute of Theoretical and Applied Mechanics, Russian Academy of Sciences, Novosibirsk, Russia, June 1993.

Hackett, C. M., Settles, G. S., and Miller, J. D., "On the gas dynamics of HVOF thermal sprays," Proceedings of the National Thermal Spray Conference, Anaheim, California, June 1993.

Naughton, J. W., Cattafesta, L. N. III, and Settles, G. S., "A miniature, fast-response five-hole probe for supersonic flowfield measurements," AIAA Journal, 31:453-458, 1993.

Garrison, T. J. and Settles, G. S., "Interaction strength and model geometry effects on the structure of crossing shock-wave/turbulent boundary-layer interactions," American Institute of Aeronautics and Astronautics, January 1993, AIAA Paper 93-0780.

Naughton, J. W. and Settles, G. S., "Experiments on the enhancement of compressible mixing via streamwise vorticity, part I - vortex strength assessment and seed particle dynamics," American Institute of Aeronautics and Astronautics, January 1993, AIAA Paper 93-0742.

Alvi, F. S., Settles, G. S., and Weinstein, L. M., "A sharp-focusing schlieren optical deflectometer," American Institute of Aeronautics and Astronautics, January 1993, AIAA Paper 93-0629.

Garg, S. and Settles, G. S., "Wall pressure fluctuations beneath swept shock wave/boundary-layer interactions," American Institute of Aeronautics and Astronautics, January 1993, AIAA Paper 93-0384.

1992

Knight, D. D., Badekas, D., Horstman, C. C., and Settles, G. S., "Quasiconical flowfield structure of the three-dimensional single fin interaction," AIAA Journal, 30:2809-2816, 1992.

Settles, G. S., "An overview of planar laser scattering for the visualization of high-speed flows," Flow Visualization VI, ed. Y. Tanida et al., Springer-Verlag, 1992, pp. 628-633.

Alvi, F. S. and Settles, G. S., "Physical model of the swept shock wave/ boundary-layer interaction flowfield," AIAA Journal, 30:2252-2258, 1992.

Zheltovodov, A. A., Borisov, A. V., Knight, D. D., Horstman, C. C., and Settles, G. S., "The possibilities of numerical simulation of shock waves/boundary layer interaction in supersonic and hypersonic flows," Proceedings of the International Conference on the Methods of Aerophysical Research, Institute of Theoretical and Applied Mechanics, Russian Academy of Sciences, Siberian Division, Novosibirsk, Russia, August-September 1992, pp. 164-170.

Lee, Y., Settles, G. S., and Horstman, C. C., "Heat transfer measurements and CFD comparison of swept shock wave/boundary-layer interactions," American Institute of Aeronautics and Astronautics, July 1992, AIAA Paper 92-3665.

Garrison, T. J., Settles, G. S., Narayanswami, N., and Knight, D. D., "Structure of crossing shock-wave/ turbulent boundary-layer interactions," American Institute of Aeronautics and Astronautics, July 1992, AIAA Paper 92-3670.

Naughton, J. W. and Settles, G. S., "Experiments on the enhancement of compressible mixing via streamwise vorticity, part I - optical measurements," American Institute of Aeronautics and Astronautics, July 1992, AIAA Paper 92-3549.

Naughton, J. W., Cattafesta, L. N. III, and Settles, G. S., "A miniature, fast-response 5-hole probe for supersonic flowfield measurements," American Institute of Aeronautics and Astronautics, January 1992, AIAA Paper 92-0266.

Cattafesta, L. N. III and Settles, G. S., "Experiments in shock/vortex interaction," American Institute of Aeronautics and Astronautics, January 1992, AIAA Paper 92-0315.

Garrison, T. J. and Settles, G. S., "Flowfield visualization of crossing shock-wave/boundary layer interactions," American Institute of Aeronautics and Astronautics, January 1992, AIAA Paper 92-0750.

Hsu, J. C. and Settles, G. S., "Holographic flowfield density measurements in swept shock-wave/turbulent boundary-layer interactions," American Institute of Aeronautics and Astronautics, January 1992, AIAA Paper 92-0746.

1991

Kim, K.-S., Lee, Y., Alvi, F. S., and Settles, G. S., "Skin-friction measurements and computational comparison of swept shock/boundary-layer interactions," AIAA Journal, 29:1643-1650, 1991.

Kim, K.-S., Lee, Y., and Settles, G. S., "Laser interferometer/preston tube skin-friction comparison in shock boundary-layer interaction," AIAA Journal, 29:1007-1008, 1991.

Horstman, C. C., Settles, G. S., and Dodson, L. J., "Hypersonic shock-wave turbulent boundary-layer interaction flows: experiment and computation," Proceedings of the 10th National Aerospace Plane Symposium, Paper 209, April 1991.

Settles, G. S. and Dodson, L. J., "Hypersonic shock/boundary-layer interaction database," NASA CR 177577, 1991.

McIntyre, S. S., Stanewsky, E., and Settles, G. S., "An optical deflectometer for turbulence measurement," Proceedings of the 14th International Congress on Instrumentation in Aerospace Simulation Facilities, Rockville, Maryland, October 1991.

Settles, G. S. and Dodson, L. J., "Hypersonic shock/boundary-layer interaction database," American Institute of Aeronautics and Astronautics, June 199, AIAA Paper 91-1763.

McIntyre, S. S. and Settles, G. S., "Optical experiments on compressible turbulent mixing layers," Proceedings of the AIAA 29th Aerospace Sciences Meeting, Reno, Nevada, January 1991, AIAA Paper 91-0623.

Knight, D. D., Settles, G. S., and Horstman, C. C., "3-D shock wave-turbulent boundary-layer interaction generated by a sharp fin at mach 4," Proceedings of the AIAA 29th Aerospace Sciences Meeting, Reno, Nevada, January 1991, AIAA Paper 91-0648.

Settles, G. S., Alvi, F. S., and Hsu, J. C., "On the shock-bifurcation/jet-impingement structure of swept interactions and related flowfields," Separated Flows and Jets, ed. V. V. Kozlov and A. V. Dovgal, Springer-Verlag, Berlin, 1991, Proceedings of the International Union of Theoretical and Applied Mechanics Symposium, Novosibirsk, USSR, July 1990.

1990

Alvi, F. S. and Settles, G. S., "A parametric study of swept shock wave/turbulent boundary layer interaction structures using white-light conical shadowgraphy," American Institute of Aeronautics and Astronautics, July 1990, AIAA Paper 90-1644.

Settles, G. S. and Dolling, D. S., "Swept shock/boundary-layer interactions -- tutorial and update," American Institute of Aeronautics and Astronautics, January 1990, Invited AIAA Paper 90-0375.

Lu, F. K., and Settles, G. S., "Upstream influence scaling of fin-generated shock wave boundary-layer interactions," Proceedings of the AIAA 28th Aerospace Sciences Meeting, Reno, Nevada, January 1990, AIAA Paper 90-0376.

Kim, K.-S., Lee, Y., Alvi, F. S., Settles, G. S., and Horstman, C. C., "Laser skin friction measurements and CFD comparison of weak-to-strong swept shock/boundary layer interactions," Proceedings of the AIAA 28th Aerospace Sciences Meeting, Reno, Nevada, January 1990, AIAA Paper 90-0378.

Lu, F. K. and Settles, G. S., "Color surface-flow visualization of fin-generated shock-wave boundary-layer interactions," Experiments in Fluids, 8(6):352-354, 1990.

Kim, K.-S. and Settles, G. S., "Skin friction measurements by laser interferometry in swept shock/ turbulent boundary-layer interactions," AIAA Journal, 28:133-139, 1990, and AIAA Paper 88-0497, January 1988.

Lu, F. K., Settles, G. S., and Horstman, C. C., "Mach number effects on conical surface features of swept shock boundary-layer interactions," AIAA Journal, 28:91-97, 1990, and AIAA Paper 87-1365, June 1987.

1989

Lu, F. K. and Settles, G. S., "Inception length to a fully-developed fin-generated shock wave boundary-layer interaction," AIAA Journal, 23:758-762, and AIAA Paper 89-1850, May 1991.

Hsu, J. C. and Settles, G. S., "Holographic interferometry of swept shock/boundary-layer interactions," Proceedings of the 5th International Symposium on Flow Visualization, Prague, Czechoslovakia, August 1989.

Settles, G. S. and Lu, F. K., "A microcomputer-based data-acquisition system for a supersonic wind-tunnel laboratory," Proceedings of the 4th Asian Congress of Fluid Mechanics, Hong Kong, China, August 1989.

Settles, G. S., "Aerospace and wind tunnel testing," Handbook of Flow Visualization, ed. W.-J. Yang, Hemisphere Press, Washington, 1989, pp. 395-408.

Settles, G. S., "Indoor environments," Handbook of Flow Visualization, ed. W.-J. Yang, Hemisphere Press, Washington, 1989, pp. 619-626.

Naughton, J. W., Cattafesta, L. N., and Settles, G. S., "An experimental study of the effect of streamwise vorticity on supersonic mixing enhancement," Proceedings of the AIAA/ASME/SAE/ASEE 25th Joint Propulsion Conference, Monterey, California, July 1989, AIAA Paper 89-2456.

Hsu, J. C. and Settles, G. S., "Measurements of swept shock wave/turbulent boundary layer interactions by holographic interferometry," Proceedings of the AIAA 20th Fluid Dynamics, Plasma Dynamics and Lasers Conference, American Institute of Aeronautics and Astronautics, Buffalo, New York, June 1989, AIAA Paper 89-1849.

Metwally, O. M. and Settles, G. S., "An experimental study of shock wave/vortex interaction," Proceedings of the AIAA 27th Aerospace Sciences Meeting, Reno, Nevada, January 1989, AIAA Paper 89-0082.

Chuang, C. L., Cherng, D. L., Hsieh, W. H., Settles, G. S., and Kuo, K. K., "Study of flowfield structure in a simulated solid-propellant ducted rocket motor," Proceedings of the AIAA 27th Aerospace Sciences Meeting, Reno, Nevada, January 1989, AIAA Paper 89-0011.

Settles, G. S. and Via, G. G., "Measurement and control of particle-bearing air currents in a VLF clean room," Particles in Gases and Liquids 1, Detection, Characterization, and Control, ed. K. L. Mittal, Plenum Press, New York, 1989, pp. 185-194.

1988

Denger, G. R. and Settles, G. S., "A flow visualization study of silicon wafer spray development uniformity," Proceedings of the 19th Annual Meeting of the Fine Particle Society, Santa Clara, California, July 1988.

Metwally, O. M. and Settles, G. S., "Interaction of a supersonic streamwise vortex and a normal shock wave," Proceedings of the 41st Annual Meeting of the American Physical Society Division of Fluid Dynamics, Buffalo, New York, November 1988.

Metwally, O. M. and Settles, G. S., "Measurements of a supersonic turbulent vortex," Proceedings of the 11th Symposium on Turbulence, Rolla, Missouri, October 1988, Paper A31.

Chuang, C. L., Cherng, D. L., Hsieh, W. H., Settles, G. S., and Kuo, K. K., "Flow visualization of a simulated solid-propellant ducted rocket motor," Proceedings of the 25th JANNAF Combustion Meeting, Joint Army Navy NASA Air Force, Huntsville, Alabama, October 1988.

Settles, G. S., Metwally, O. M., Hsu, J. C., and Lu, F. K., "Visualization of high-speed flows at the Penn State Gas Dynamics Laboratory," Proceedings of the International Conference on Applications of Lasers and Electro-Optics, Santa Clara, California, October 1988, Laser Institute of America 67:95-101.

McIntyre, S. S., Settles, G. S., Schmidt, M. C., and Via, G. G., "A flow visualization study of nonuniformities of wafer development in a recirculating tank," Proceedings of the 9th International Symposium on Contamination Control, Los Angeles, California, September 1988, pp. 612-615.

Lu, F. K. and Settles, G. S., "Structure of fin-shock/boundary-layer interactions by laser light-screen visualization," Proceedings of the First National Fluid Dynamics Congress, Cincinnati, Ohio, July 1988, AIAA Paper 88-3803.

Fung, Y.-T., Settles, G. S., and Ray, A., "Microprocessor control of high-speed wind tunnel stagnation pressure," Proceedings of the AIAA Aerodynamic Testing Conference, American Institute of Aeronautics and Astronautics, San Diego, California, May 1988, AIAA Paper 88-2062.

Kim, K.-S. and Settles, G. S., "Skin friction measurements by laser interferometry," AGARDograph No. 315: A Survey of Measurements and Measuring Techniques in Rapidly Distorted Compressible Turbulent Boundary Layers, eds. H. H. Fernholz, A. J. Smits, and J.-P. Dussauge, November 1988.

1987

Settles, G. S., Huitema, B. C., McIntyre, S. S., and Via, G. G., "Visualization of clean room flows for contamination control in microelectronics manufacturing," Flow Visualization IV, ed. C. Veret, Hemisphere Press, 1987, pp. 833-838.

1986

Settles, G. S. and Via, G., "A portable schlieren optical system for clean room applications," Proceedings of the 8th International Symposium on Contamination Control, Milan, Italy, September 1986, pp. 381-392, and The Journal of Environmental Sciences, 30(5):17-21, 1986.

Heinsohn, R. J., Yu, S. T., Merkle, C. L., Settles, G. S., and Huitema, B. C., "Viscous turbulent flow in push-pull ventilation systems," Ventilation '85: Proceedings of the 1st International Symposium on Ventilation for Contaminant Control, ed. H. D. Goodfellow, Elsevier Press, 1986, pp. 529- 566.

Settles, G. S., "Modern developments in flow visualization," AIAA Journal, 24(8)1313-1323, 1986, and AIAA Invited Survey Paper No. 84-1599.

Settles, G. S., Horstman, C. C., and McKenzie, T. M., "Experimental and computational study of a swept compression corner interaction flowfield," AIAA Journal, 24(5):744-752, 1986.

Settles, G. S., "Recent skin friction techniques for compressible flows," AIAA Invited Survey Paper No. 86-1099, May 1986.

Settles, G. S. and Kimmel, R. L., "Similarity conditions of conical shock wave/turbulent boundary layer interactions," AIAA Journal, 24(1):47-53, 1986.

Settles, G. S., "On the inception lengths of swept shock wave/turbulent boundary layer interactions," Turbulent Shear-Layer/Shock-Wave Interactions, ed. J. Delery, Springer-Verlag Publishing, Berlin, 1986, pp. 203-213.

Settles, G. S. and Dolling, D. S., "Swept shock wave-boundary layer interactions," Tactical Missile Aerodynamics, eds. M. J. Hemsch and J. N. Nielsen, AIAA Progress in Astronautics and Aeronautics Series Vol. 104 , September 1986, pp. 297-379.

1985

Settles, G. S., "Moving beyond light shows: a new concept in color music displays," Mix Magazine, 9(10):48-53, 1985.

Settles, G. S. and Lu, F. K., "Conical similarity of shock/boundary-layer interactions generated by swept and unswept fins," AIAA Journal, 23(7):1021-1027, 1985.

Settles, G. S., "Colour-coding schlieren techniques for the optical study of heat and fluid flow," International Journal of Heat and Fluid Flow, 6(1):3-15, 1985.

Schmidt, M. C. and Settles, G. S., "Alignment and accuracy of the conical shadowgraph flow visualization technique," Experiments in Fluids, 4(2):93-96, 1985.

Settles, G. S., "Flow visualization techniques for practical aerodynamic testing," Flow Visualization III, ed. W.-J. Yang, Hemisphere Press, New York, 1985, pp. 306-315.

1984

Settles, G. S. and Kuhns, J. W., "Visualization of airflow and convection phenomena about the human body," Bulletin of the American Physical Society, 29(9):1515, 1984.

Settles, G. S. and Teng, H.-Y., "Cylindrical and conical flow regimes of three-dimensional shock wave/turbulent boundary layer interactions," AIAA Journal, pp. 194-200, February 1984, and AIAA Paper 82-987.

1983

Settles, G. S., "Large-field color schlieren visualization of transient fluid phenomena," Bulletin of the American Physical Society, 28(9):1404, 1983.

1982

Settles, G. S., "The state-of-the-art of conventional flow visualization techniques for wind tunnel testing," NASA CP-2243, eds. W. W. Hunter and J. T. Foughner, NASA, 1982, pp. 9-26.

Settles, G. S. and Teng, H.-Y., "Flow visualization techniques for 3D shock wave/ turbulent boundary layer interactions," AIAA Journal, pp. 390-397, March 1983, and AIAA Paper 82-229, 1982.

Settles, G. S., "Schlieren photography," Technical Photography, 14(2):35- 41, 1982.

Settles, G. S., Perkins, J. J., and Bogdonoff, S. M., "Upstream influence scaling of 2D and 3D shock/turbulent boundary layer interactions at compression corners," AIAA Journal, pp. 782-789, June 1982, and AIAA Paper 81-0334.

1981

Horstman, C. C., Settles, G. S., Williams, D. R., and Bogdonoff, S. M., "A reattaching free shear layer in compressible turbulent flow - a comparison of numerical and experimental results," AIAA Journal, pp. 79-85, January 1982, and AIAA Paper 81-0333, January 1981.

Settles, G. S., "Hidden frenzy," Science Digest, 89:44-49, 117, August 1981.

1980

Arasteh, D. T., Nall, D. H., Harrje, D. T., and Settles, G. S., "Performance of a selective surface water wall retrofit," Proceedings of the 5th National Passive Solar Energy Conference, Amherst, Massachusetts, October 1980.

Settles, G. S. and Bogdonoff, S. M., "Separated flow and boundary layer research," Report No. 1494, Mechanical and Aerospace Engineering Department, Gas Dynamics Laboratory, Princeton University, October 1980.

Settles, G. S., "Color schlieren optics - a review of techniques and applications," International Symposium on Flow Visualization, Bochum, Germany, September 1980, and Flow Visualization II, ed. W. Merzkirch, Hemisphere Press, New York, 1982, pp. 749-762.

Settles, G. S., Gilbert, R. B., and Bogdonoff, S. M., "Data compilation for shock wave/ turbulent boundary layer interaction experiments on two-dimensional compression corners," Report No. 1489, Mechanical and Aerospace Engineering Department, Princeton University, August 1980.

Settles, G. S., Carlson, A. B., and Harrje, D. T., "An optical study of thermal convection in a passive solar heated room," ASME Paper 80-C2/Sol-1, 1980.

Settles, G. S., Baca, B. K., Williams, D. R., and Bogdonoff, S. M., "A study of reattachment of a free shear layer in compressible turbulent flow," AIAA Journal, pp. 60-67, January 1982, and AIAA Paper 80-1408, July 1980.

Settles, G. S., Perkins, J. J. and Bogdonoff, S. M., "Investigation of three-dimensional shock/boundary layer interactions at swept compression corners," AIAA Journal, 18(6):779, July 1980.

1979

Settles, G. S., Fitzpatrick, T. J., and Bogdonoff, S. M., "Detailed study of attached and separated compression corner flowfields in high reynolds number supersonic flow," AIAA Journal, 17(6):579, June 1979.

Settles, G. S. and Bogdonoff, S. M., "Experimental study of separated flow and turbulent boundary layers," Proceedings of the AFOSR Program Review on External Aerodynamics, Air Force Office of Scientific Research, Dayton, Ohio, June 1979.

Settles, G. S. and Perkins, J. J., "Investigation of three-dimensional shock/boundary layer interactions at swept compression corners," AIAA Paper 79-1498, July 1979.

1978

Settles, G. S., Fitzpatrick, T. J., and Bogdonoff, S. M., "A detailed study of attached and separated compression corner flowfields in high reynolds number supersonic flow," AIAA Paper 78-1167, July 1978.

1977

Settles, G. S., Hamrick, J. T., Barr, W. J., and Summerfield, M., "The definition of a national program in energy-efficient pump utilization," Final Report on Contract E(04-3)-1260 with the U. S. Energy Research and Development Administration, Princeton Combustion Laboratories, Princeton, New Jersey, April 1977.

Settles, G. S., Hamrick, J. T., Barr, W. J., Summerfield, M., and Gunn, M., "Energy efficient pump utilization," AIAA Journal of Energy, 1:65-72, 1977.

Horstman, C. C., Settles, G. S., Vas, I. E., Bogdonoff, S. M., Hung, C. M., "Reynolds number effects on shock-wave turbulent boundary-layer interactions - a comparison of numerical and experimental results," AIAA Paper 77-42, January 1977.

1976

Settles, G. S., Vas, I. E., and Bogdonoff, S. M., "Details of a shock-separated turbulent boundary layer at a compression corner," AIAA Journal, 14(12):1709-1715, 1976.

Varney, A. M., Settles, G. S., Ingram, L. S., and Summerfield, M., "Quantitative characterization of the ignition behavior of NOS monopropellants for pre-loaded liquid propellant gun applications," Final Report on Contract N00174-76-C-0110 for U.S. Naval Ordnance Station, Indian Head, Maryland, September 1976.

Settles, G. S., Bogdonoff, S. M., and Vas, I. E., "Incipient separation of a supersonic turbulent boundary layer at high reynolds numbers," AIAA Journal, 14(1):50-56, January 1976.

Settles, G. S., Vas, I. E., and Bogdonoff, S. M., "Shock wave-turbulent boundary layer interaction at a high reynolds number, including separation and flowfield measurements," AIAA Paper 76-164, January 1976.

1975

Settles, G. S., et al., "An exploratory investigation of the handling sensitivity of live malfunctioned stab primers," Final Report on Contract N00174-75-C-0257 for the U.S. Naval Explosive Ordnance Disposal Facility, Indian Head, Maryland, December 1975.

Settles, G. S., An experimental study of compressible turbulent boundary layer separation at high reynolds numbers, Ph.D. dissertation, Aerospace and Mechanical Sciences Department, Princeton University, September 1975.

Settles, G. S., Bogdonoff, S. M., and Vas, I. E., "Incipient separation of a supersonic turbulent boundary layer at moderate to high reynolds numbers," AIAA Paper 75-7, January 1975.

1973

Settles, G. S. and Bogdonoff, S. M., "Separation of a supersonic turbulent boundary layer at moderate to high reynolds numbers," AIAA Paper 73-666, July 1973.

1972

Settles, G. S., "A two-dimensional color schlieren technique," Image Technology, June/July 1972, pp. 19-23.

Settles, G. S., "A portable supersonic tunnel for $200," AIAA Northeast Student Conference, Rutgers University, New Brunswick, New Jersey, 1972.

1971

Stong, C. L. and Settles, G. S., "Schlieren photography is used to study the flow of air around small objects," Scientific American, Amateur Scientist Section, 224(5):118-124, 1971.

Settles, G. S., "A new quantitative schlieren technique for use in heat transfer and gas dynamics," ASME Region IV Student Conference, Durham, North Carolina, April 1971.

1970

Settles, G. S., "A four-color schlieren techique with sensitivity in all directions," Tennessee Engineer, pp. 4-9, December 1970.

Settles, G. S., "A direction-indicating color schlieren system," AIAA Journal, 8(12):2282-2284, December 1970.

Settles, G. S., "A four-color schlieren technique with sensitivity in all directions," AIAA Southeastern Student Conference, January 1970, AIAA National Student Conference, October 1980, and First IAF Student Conference, September 1971.

1969

Settles, G. S., "Study of a gas jet flowing from a blunt body counter to a supersonic stream," ASME Region IV Conference, Clemson University, Greenville, North Carolina, April 1969.

1968

Settles, G. S., "A survey of wing tip tank drag data," Document No.D6-22621TN, The Boeing Company, Seattle, Washington, October 1968.

1966

Stong, C. L. and Settles, G. S., "How to build a wind tunnel that achieves supersonic speeds with a vacuum system," Scientific American, Amateur Scientist Section, 215(10), October 1966.