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RISRoles of Organic Emissions in the Formation of Near Field Aircraft Emitted Volatile Particulate Matter: A Kinetic Microphysical Modeling Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A kinetic microphysical modeling approach that describes the formation of volatile aerosols in the presence of organic emissions in near field aircraft emitted plumes at ground level is presented. Our model suggests that ...
Engine Design and Operational Impacts on Particulate Matter Precursor Emissions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aircraft emissions of trace sulfur and nitrogen oxides contribute to the generation of fine volatile particulate matter (PM). Resultant changes to ambient PM concentrations and radiative properties ...
A New Approach to Estimate Particulate Matter Emissions From Ground Certification Data: The nvPM Mission Emissions Estimation Methodology
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Estimating nonvolatile particulate matter (nvPM)—or black carbon—emissions during an aircraft mission is extremely challenging because of the lack of reliable data in flight. For this reason, a detailed study has been ...
Gas Turbine Engine Emissions—Part II: Chemical Properties of Particulate Matter
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The characterization of volatile and nonvolatile particle materials present in gas turbine exhaust is critical for accurate estimation of the potential impacts of airport activities on local air ...
Gas Turbine Engine Emissions—Part I: Volatile Organic Compounds and Nitrogen Oxides
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The potential human health and environmental impacts of aircraft gas turbine engine emissions during normal airport operation are issues of growing concern. During the JETS/Aircraft Particle ...
Uptake Coefficients of Some Volatile Organic Compounds by Soot and Their Application in Understanding Particulate Matter Evolution in Aircraft Engine Exhaust Plumes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To assist microphysical modeling on particulate matter (PM) evolution emitted from aircraft engines, uptake coefficients of some volatile organic compounds on soot were experimentally determined in this study. The determined ...
Minimizing Sampling Loss in Trace Gas Emission Measurements for Aircraft Engines by Using a Chemical Quick-Quench Probe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the development and testing of a gas sampling probe that quenches chemical reactions by using supersonic expansion and helium dilution. Gas sampling probes are required for ...
Design Parameters for an Aircraft Engine Exit Plane Particle Sampling System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The experimental data and numerical modeling were utilized to investigate the effects of exhaust sampling parameters on the measurements of particulate matter (PM) emitted at the exit plane of ...
Measurement of Volatile Particulate Matter Emissions From Aircraft Engines Using a Simulated Plume Aging System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aircraft exhaust contains nonvolatile (soot) particulate matter (PM), trace gas pollutants, and volatile PM precursor material. Nonvolatile soot particles are predominantly present at the engine ...
Impact of Aviation on Climate: FAA’s Aviation Climate Change Research Initiative (ACCRI) Phase II
Publisher: American Meteorological Society
Abstract: nder the Federal Aviation Administration?s (FAA) Aviation Climate Change Research Initiative (ACCRI), non-CO2 climatic impacts of commercial aviation are assessed for current (2006) and for future (2050) baseline and ...