FIELD: engines and pumps.
SUBSTANCE: proposed method is based on application of simplified model of intake of admixtures into cabin which allows for only oil decomposition products in gas turbine engine. Major portion of air samples, 95-97%, required for identification and quantitative determination of oil decomposition products, is sampled on surface from device simulating oil decomposition conditions including air temperature and pressure at point of sampling from engine compressor, and oil stay time in hot zone.
EFFECT: decreased time of in-flight experiments and that of surface analysis of samples.
1 cl, 1 ex, 1 tbl, 1 dwg
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AIRCRAFT CABIN AIR SAMPLER | 2014 |
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Authors
Dates
2013-02-27—Published
2012-02-13—Filed