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SAE AIR7382

Procedures for the Sampling and Measurement of Particle Size Distributions from Aircraft Turbine Engines
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SAE AIR7382

Procedures for the Sampling and Measurement of Particle Size Distributions from Aircraft Turbine Engines

PUBLISH DATE 2025
SAE AIR7382
This document, expanding upon AIR6037A, provides technical specifications and operational protocols for instruments commonly used to measure aircraft engine nonvolatile Particulate Matter (nvPM) Particle Size Distributions (PSDs). For each instrument type, its functionality, calibration, uncertainties, and known limitations are discussed to support the development of procedures that help ARP6320B nvPM system operators reliably determine PSDs. Practical setup considerations, such as sample conditioning and instrument positioning, are highlighted, together with guidelines for maintenance, data correction, and quality control to minimize measurement uncertainty.
SDO SAE: SAE International
Document Number AIR7382
Publication Date Nov. 12, 2025
Language en - English
Page Count
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Nov. 12, 2025 AIR7382 Revision