ACRP Report 63:

ACRP Report 63: Measurement of Gaseous HAP Emissions from Idling Aircraft as a Function of Engine and Ambient Conditions (2013)

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Table of Contents

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Transportation Research Board

Description

TRB's Airport Cooperative Research Program (ACRP) Report 63: Measurement of Gaseous HAP Emissions from Idling Aircraft as a Function of Engine and Ambient Conditions is designed to help improve the assessment of hazardous air pollutants (HAP) emissions at airports based on specific aircraft operating parameters and changes in ambient conditions.

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ACRP Report 63:

ACRP Report 63: Measurement of Gaseous HAP Emissions from Idling Aircraft as a Function of Engine and Ambient Conditions (2013)

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ACRP Report 63:

ACRP Report 63: Measurement of Gaseous HAP Emissions from Idling Aircraft as a Function of Engine and Ambient Conditions (2013)

Overview

Authors

Description

Table of Contents

Front Matter i-x

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

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