Exhaust Emissions from In-Use General Aviation Aircraft (2016) / Chapter Skim
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Pages 15-19
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From page 15... ...
Trends in Emission Indices 15 EI distributions change with increasing power (idle > taxi > cruise > take-off) as expected.
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From page 16... ...
16 Exhaust Emissions from In-Use General Aviation Aircraft team's observation of lognormal distributions indicates that many random variables (e.g., fuelto-air ratio (F/A) , ambient temperature, and pilot preference of aircraft operation)
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From page 17... ...
Trends in Emission Indices 17 (see "CO2 Carbon Fraction as an Indicator of Combustion" in Chapter 5) , formation of CO is sensitive to the internal combustion engine temperature and F/A ratio.
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From page 18... ...
18 Exhaust Emissions from In-Use General Aviation Aircraft The smaller of these two modes may come from nucleation mode particles generated from volatile material/unburned fuel, whereas the larger particles can come from black carbon soot. The contribution of lead particles to these modes is still under investigation.
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From page 19... ...
Trends in Emission Indices 19 measured via engine exhaust particle sizer (EEPS)
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