SAE Standards Works
E-31 Aircraft Exhaust Emissions Measurement Committee
AIR6241 - Procedure for the Continuous Sampling and Measurement of Non-Volatile Particle Emissions from Aircraft Turbine Engines
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Mark P. Johnson
Procedure for the Continuous Sampling and Measurement of Non-Volatile Particle Emissions from Aircraft Turbine Engines
This SAE Aerospace Information Report (AIR) describes procedures, required continuous sampling conditions, and instrumentation for the measurement of non-volatile particle number and mass concentrations from the exhaust of aircraft gas turbine engines. Procedures are included to calculate sampling loss performance. This AIR is not intended for in-flight testing, nor does it apply to engine operating in the afterburning mode.<p> This standard is sold as a collection of related documents. In addition to the PDF of AIR6241 itself, the collection includes 3 Excel files that can be used to calculate measurements and performance, 7 PDFs of specific standard operating procedures, and a Word file describing VPR validation.<p>
This SAE Aerospace Information Report consists of methodologies for measurements of nonvolatile exhaust particles at the exit plane of aircraft gas turbine engines. The described methods represent a means of determining particle mass concentration, particle number concentration, and reporting of emissions indices through the use of an appropriate sampling system and instrumentation that goes beyond the measurements of visible obscuration as described in ARP1179 for smoke number.