M E 405, Fall 2017
Indoor Air Quality Engineering

Prepared by Professor J. M. Cimbala, Department of Mechanical and Nuclear Engineering at The Pennsylvania State University
Latest revision, 22 November 2017

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Week
Dates
Lecture material
Homework
Exams
Week 1
08/21-08/25
Introduction: risk, concentrations of air pollutants, fundamentals of contaminant mixtures

Lecture 01 notes
Lecture 02 notes
Lecture 03 notes

CDC- Tobacco related mortality
CDC- Death rate statistics
LLE table: Understanding Risk (from Pitt)
HERP table from NIH
HW Info
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Week 2
08/28-09/01
The respiratory system: anatomy of the lungs, modeling gas exchange, diseases of the respiratory system

Lecture 04 notes
Lecture 05 notes
Lecture 06 notes

Slide thumbnails, The Respiratory System
HW 1
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Week 3
09/05-09/08
Design criteria: contaminant concentration limits

Lecture 07 notes
Lecture 08 notes

Simple_Runge_Kutta_example.m
rk4.m [required subroutine for above]
Simple_Runge_Kutta_example_output.pdf
Simple_Runge_Kutta_example.xls
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Week 4
09/11-09/15
Design criteria: fire and explosion, hearing and sound, heat stress, odors; Intro to pollutant emission rates

Lecture 09 notes
Lecture 10 notes
Lecture 11 notes

Irma_Nursing_Home_Deaths_Heat_2017.pdf
HW 2
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Week 5
09/18-09/22
Pollutant emission rates (continued): physical measurements, mass balances, emission factors; Diffusion

Lecture 12 notes
Lecture 13 notes
Lecture 14 notes
HW 3
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Week 6
09/25-09/29
Evaporation rates from liquid surfaces, evaporation in confined spaces

Lecture 15 notes
Lecture 16 notes

CDT article: Confined space poisoning
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Exam 1
Week 7
10/02-10/06
Thermodynamics of evaporation; General ventilation: the well-mixed model, dilution vs. displacement ventilation, sources, wall losses, recirculation, air cleaners, infiltration and exfiltration

Lecture 17 notes
Lecture 18 notes
Lecture 19 notes

Dilution vs. displacement ventilation
Air quality issues in coffee roasting - USA Today
Runge_Kutta_example_smoke_ventilation.m
Runge_Kutta_example_smoke_ventilation.xls
HC_Example_5_4_smokers.xls
Runge_Kutta_example_clever_outdoorsman.m
Runge_Kutta_example_clever_outdoorsman.xls
HW 4
hw_04_Problem_02_post.xls
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Week 8
10/09-10/13
General ventilation (continued): various room configurations, clean rooms, effectiveness of ventilation systems

Lecture 20 notes
Lecture 21 notes
Lecture 22 notes
HW 5
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Week 9
10/16-10/20
General ventilation (continued): heating and cooling costs; ventilation in tunnels

Lecture 23 notes
Lecture 24 notes
Lecture 25 notes

http://www.weatherdatadepot.com/ - DDh & DDc data
YouTube video - tunnel accident, no fire
YouTube video - tunnel accident, with fire (accident at 1:00)
YouTube video - smoke in a tunnel (fans turned on about half way through)
HW 6
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Week 10
10/23-10/26
Local ventilation: hood design, bulk materials, proper selection and design of hoods

Lecture 26 notes
Lecture 27 notes
Lecture 28 notes

Chapter 6 figures and tables
DSH dust suppression hopper website
YouTube video - DSH dust suppression hopper
HW 7
hw_07_Problem_02_post.xls
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Week 11
10/30-11/03
Local ventilation (continued): buoyant plumes, canopy hoods, air curtains; Air cleaners in series and parallel; Exhaust duct system design: energy equation, major and minor losses, fan performance curves

Lecture 29 notes
Lecture 30 notes
Lecture 31 notes

Examples of collapsed ducts
HW 8
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Week 12
11/06-11/10
Exhaust duct system design (continued): fan selection (matching fan to duct system requirements); Particulate air pollution: particle sizes and classifications/terminology

Lecture 32 notes
Lecture 33 notes

Slide thumbnails - Particles
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Exam 2
Week 13
11/13-11/17
Particulate air pollution (continued): aerodynamic drag on particles, drag coefficient, particles settling in quiescent air (gravimetric settling - terminal settling speed); Equations of particle motion and particle trajectory calculations in an air flow, using Runge-Kutta to predict 2-D particle trajectories; Non-spherical particles - equivalent diameters

Lecture 34 notes
Lecture 35 notes
Lecture 36 notes

Particle_trajectory_in_quiescent_air.m
Iteration_terminal_settling_speed.pdf
HW 9
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Fall Break
11/20-11/24
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Week 14
11/27-12/01
Gravimetric settling in rooms and ducts; Inertial separation in curved ducts; Air pollution control devices (APCSs): Lapple cyclones

Lecture 37 notes
Lecture 38 notes
Lecture 39 notes

Iteration_inertial_separation_speed.pdf
HW 10
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Week 15
12/04-12/08
Air pollution control devices (APCSs) (continued): performance and efficiency APCSs, series and parallel APCSs for particle removal, filters; Review for final exam

Lecture 40 notes
Lecture 41 notes
Lecture 42 notes
OPTIONAL HW 11
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Finals Week
12/11-12/15
The final exam is scheduled for:
Wednesday December 13, 10:10-noon, 113 Carnegie Building
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