• Front Matter R1-R10

• Findings 1-1

• Implications for Airport Operators 2-2

• Section I - Introduction 3-3

• I.1 Aircraft Engine Emissions at Airports 4-4

• I.2 Anatomy of the High-Bypass-Ratio Turbofan Engine 5-5

• I.3 Application of the Current Emission Model to Idle Phase Emissions 6-6

• II.2 Test Venues, Temperatures, and Engines 7-8

• Section III - Key Project Findings 9-9

• III.1 Dependence of VOC on Fuel Flow Near Idle 10-10

• III.3 Ensemble Result for Fuel Flow Dependence 11-11

• III.4 Systematic Error and Fuel Flow Dependence 12-12

• III.5 Fuel Flow Dependence and Variability 13-13

• IV.2 Emissions Index Temperature Dependence 14-16

• V.1 Proposed Empirical Model 17-19

• V.2 Example Application of the Model 20-20

• VI.2 Near-Idle VOC Scaling 21-22

• VI.3 Effect of Fuel Composition on Emissions 23-24

• Section VII - Applicability to Airport Practice 25-25

• Section VIII - References 26-26

• Acronyms and Abbreviations 27-27

• Appendix A - Project Results 28-70

• Appendix C - Exhaust Probe Sampling Techniques 77-84

• Appendix D - Links Between Emissions and Air Quality in the Terminal and Fence Line 85-87

• Appendix E - Quality Assurance Documentation for Analytical Methods 88-102

Transportation Research Board " V.1 Proposed Empirical Model ." ACRP Report 63: ACRP Report 63: Measurement of Gaseous HAP Emissions from Idling Aircraft as a Function of Engine and Ambient Conditions . Washington, DC: The National Academies Press, 2013 .

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