AIR POLLUTION I: GASES
ATMO469a/569a identical to CHEE 469a/569a
Class Topics and Notes

Selection of Topics to be Covered in ATMO/CHEE 469b/569b, Air Pollution II: Aerosols
(from W.C. Hinds, Aerosol Technology, 2nd edition).

This tentative list of topics and/or chapter order may change at any time


Classnotes

Introduction

Particle Size, Shape, and Density


Aerosol Concentration


Properties of Gases


Kinetic Theory of Gases


Reynolds Number


Measurement of Velocity, Flow Rate, and Pressure


Uniform Particle Motion

Newton’s Law


Stokes’s Law


Settling at High Reynolds Numbers


Instruments That Rely on Settling Velocity


Particle Size Statistics                       

Ch 4

Properties of Size Distributions


The Lognormal Distribution


Log-Probability Graphs


Straight-Line Acceleration/Curvilinear Motion


Relaxation Time


Straight-Line Particle Acceleration


Stopping Distance


Curvilinear Motion and Stokes Number


Inertial Impaction


Cascade Impactors


Virtual Impactors


Time of Flight Instruments


Adhesion of Particles


Adhesion Forces


Detachment of Particles


Resuspension


Particle Bounce


Brownian Motion and Diffusion

Diffusion Coefficient


Particle Mean Free Path


Brownian Displacement


Deposition by Diffusion


Diffusion Batteries


Thermal and Radiometric Forces


Thermophoresis


Thermal Precipitators


Radiometric and Concentration Gradient Forces


Filtration


Macroscopic Properties of Filters


Single-Fiber Efficiency


Deposition Mechanisms


Filter Efficiency


Pressure Drop


Membrane Filters





Classnotes

Sampling/Concentration Measurement

Ch10

Isokinetic Sampling


Sampling from Still Air


Transport Losses


Mass Concentration


Direct-Reading Instruments


Number Concentration


Sampling Pumps


Respiratory Deposition


The Respiratory System


Deposition


Deposition Models


Inhalability of Particles


Respirable/Size-Selective Sampling


Coagulation


Simple Monodisperse Coagulation


Polydisperse Coagulation


Kinematic Coagulation


Condensation and Evaporation


Kelvin effect


Homogeneous Nucleation


Growth by Condensation


Nucleated Condensation


Condensation Nuclei Counters


Atmospheric Aerosols

Ch14

Natural Background Aerosol

Organic aerosols (Dr. Gao)

Urban Aerosol


Global Effects


Electrical Properties


Electric Fields


Electrical Mobility


Charging Mechanisms


Corona Discharge


Charge Limits


Equilibrium Charge Distributions


Electrostatic Precipitators


Electrical Measurement of Aerosols


Optical Properties


Extinction


Scattering


Visibility


Optical Measurement of Aerosols


Bulk Motion of Aerosols


Dust Explosions


Bioaerosols


Microscopic Measurement of Particle Size


Production of Test Aerosols