Photo of Suresh Iyer

Suresh Iyer

Associate Research Professor


  • Larson Transportation Institute
  • Mechanical and Nuclear Engineering

201 Transportation Research Building


Research Areas:

Interest Areas:

Optical methods for the detemination of soot characteristics in flames, particulate and gaseous emission measurements of heavy duty engines




  • Ph D, Mechanical Engineering, The Pennsylvania State University, 2005


Book, Chapters

  • Gothaniya G., S.-Y. Lee, A. V. Menon, Suresh S Iyer, M. J. Linevsky, R. J. Santoro and T. A. Litzinger, 2009, A Study on the Effect of Experimental Setup Configuration on Soot Formation in a Laminar Premixed Ethylene-Air Flame, Karlsruhe University Press, pp. Ch. 42, 697-711

Journal Articles

  • Mouis A Geraldine, Thomas Litzinger, Yefu Wang and Suresh S Iyer, 2015, "Effects of a JP-8 surrogate and its components on soot in laminar, N2-diluted ethylene co-flow diffusion flames from 1 to5 atm", Combustion and Flame, 162, (5), pp. 28
  • Partha Mishra, Suresh S Iyer and David J Klinikowski, 2015, "Uncertainties in Emissions Measurements in a Partial Flow Sampling System", SAE Technical Paper, (2015-26-0096)
  • Stephen Dooley, Sang Hee Won, Joshua Heyne, Tanvir I. Farouk, Yiguang Ju, Frederick L. Dryer, Kamal Kumar, Xin Hui, Chih-Jen Sung, Haowei Wang, Matthew A. Oehlschalaeger, Venkatesh Iyer, Suresh S Iyer, Thomas A. Litzinger, Robert J. Santoro, Tomasz Malewicki and Kenneth Brezinsky, 2012, "The experimental evaluation of a methodology for surrogate fuel formulation to emulate gas phase combustion kinetic phenomena", Combustion and Flame, 159, pp. 1444-1466
  • Thomas Litzinger and Suresh S Iyer, 2010, "The Hypergolic Reaction of Dicyanamide-based Fuels with Nitric Acid", Energy & Fuels
  • Suresh S Iyer, Thomas Litzinger, Seong-Young Lee and Robert Santoro, 2007, "Determination of soot scattering coefficient from extinction and three-angle scattering in a laminar diffusion flame", Combustion and Flame

Conference Proceedings

  • Yefu Wang, Suresh S Iyer, Venkatesh R. Iyer, Milton J. Linevsky, Thomas A. Litzinger, Robert J. Santoro and Viswanath Katta, 2013, "Soot and Aromatic Species in Non-premixed and Partially premixed Laminar Co-flow Flames", 2013 Fall Technical Meeting Eastern States Section of the Combustion Institute
  • Venkatesh R. Iyer, Suresh S Iyer, Thomas A. Litzinger, Robert J. Santoro, Stephen Dooley, Frederick L. Dryer and Christopher J. Mordaunt, 2012, "Emulating the Sooting Propensity of JP-8 with Surrogate Fuels from Solvent Mixtures", 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, AIAA
  • Venkatesh Iyer, Suresh S Iyer, Stephen Dooley, Milton Linevsky, Frederick Dryer, Thomas Litzinger, Christopher Mordaunt and Robert Santoro, 2011, "Comparison of Sooting Propensity of JP-8 with its Surrogates in a Wick Burner and a Model Gas Turbine Combustor", Fall Technical Meeting of the Eastern States Section of the Combustion Institute
  • Arvind Menon, Suresh S Iyer, Seong-Young Lee, Thomas Litzinger and Robert Santoro, 2008, "Flame Flicker in High Pressure Diffusion Flames", 32nd International Symposium on Combustion
  • Suresh S Iyer, David Klinikowski, Thomas Litzinger, W. Scott Wayne and Nigel Clark, 2006, "Diesel Emission measurements on Transit Buses", Ninth International Symposium on Heavy Vehicles Weights and Dimensions
  • M. McKeand, A. Menon, Suresh S Iyer, S.-Y. Lee, M. Linevsky, T. Litzinger and R. Santoro, 2006, "Effects of NO2 on Soot Formation in a Laminar Premixed Etylene-Air Flame", 44th AIAA Aerospace Sciences Meeting and Exhibit
  • Anandkumar Makwana, Suresh S Iyer, Thomas Litzinger and Jacqueline O'Connor, , "Effects of fuel molecular weight on emissions in a jet flame and a model gas turbine combustor", ASME - The American Society of Mechanical Engineers, New York, NY, USA, pp. 10
  • Anandkumar Makwana, Suresh S Iyer and Thomas Litzinger, , "Effect of aromatic fuels on aromatic species and soot distributions in laminar, co-flow, non-premixed flames at atmospheric pressure", The Combustion Institute, Pittsburgh, PA, USA, pp. 11

Technical Reports

  • Suresh S Iyer and Partha Mishra, 2015, "Advanced Low-Floor Vehicle (ALFV) Specification Research", pp. 116


  • Lokanath Mohanta, Suresh S Iyer, Partha Mishra and David Klinikowski, , "Uncertainties in Measurements of Emissions Chassis Dynamometer Tests"

Research Projects

  •   -  2017, "Engineering support for evaluation of Calstart/BAE fuel cell bus," (Sponsor: U.S.Department of Transportation).
  • January 2016 - September 2017, "BAE hydrogen bus," (Sponsor: Calstart).
  • July 2016 - June 2017, "BFTC barke testing," (Sponsor: ).
  • January 2016 - June 2016, "Fuel economy and emissions on a Class 8 truck," (Sponsor: NG1 Technologies).
  • February 2016 - December 2016, "Tractive Force measurements of a bus," (Sponsor: Heksagon Studio, Turkey).
  • September 2016 - December 2016, "Emissions and fuel economy of a diesel motor coach," (Sponsor: Motor Coach Industries, Canada).
  •   -  2014, "'Chassis Dynamometer based Fuel Economy and Emissions Tests on a Truck Fueled by DME"," (Sponsor: DOE-Battelle_Oak Ridge National Laboratories, and Volvo Group Truck Technologies).
  •   - December 2014, "Dynamometer-based fuel consumption tests using USPS driving cycle on a postal van with Ford engine," (Sponsor: United States Postal Service).
  • July 2012 - June 2013, "Validation of Optimal Fuel Economy Estimates for a Dual Fuel System (Revised from Process Development for Build-Out of Optimal CNG-Diesel Dual-Fuel Application)," (Sponsor: Ben Franklin Technology Center of Central & Northern Pennsylvania, Inc.).

Honors and Awards


Service to Penn State:

  • , Penn state, Candidacy Examination Committee, January 2017
  • Evaluator, Millennium Scholars program, Penn State, February 2017
  • Evaluator, Review of student submissions-REU program, Penn State, April 2016
  • , Penn state, Candidacy Examination Committee, September 2016
  • Evaluator, Millennium Scholars program, Penn State, February 2016
  • Evaluator, Review of student submissions-REU program, Penn state, April 2015
  • Evaluator, Review of student submissions-REU program, Penn state, April 2014
  • , Badminton Club., August 2012 - December 2012
  • , Badminton Club., January 2011 - May 2011
  • , Badminton Club., June 2009 - May 2010
  • , Badminton Club., June 2010 - December 2010
  • , Badminton Club., June 2008 - May 2009
  • , Badminton Club., June 2007 - May 2008
  • , Badminton Club., June 2006 - May 2007

Service to External Organizations:

  • Co-Organizer, Horiba Automotive Test Systems Inc., MI, September 2016 - September 2016
  • Panelist, Combined Interface for Project-Level Air Quality Analysis, NCHRP, 2013 - 2016
  • Advisor, January 2013



The Department of Mechanical and Nuclear Engineering at Penn State is one of the nation’s largest and most successful engineering departments. We serve more than 1,000 undergraduate students and more than 330 graduate students

We offer B.S. degrees in mechanical engineering and nuclear engineering as well as resident (M.S., Ph.D.) and online (M.S., M.Eng.) graduate degrees in nuclear engineering and mechanical engineering. MNE's strength is in offering hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems.

Department of Mechanical and Nuclear Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519