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Standard

PRESSURE TESTING, HYDRAULIC 200 psi

1988-04-01
HISTORICAL
AMS2616C
This specification provides requirements and procedures for hydraulic-pressure leak testing of parts. MAM 2616, specified in SI (metric) units, is the equivalent of this AMS.
Standard

Methods of Controlling Distortion of Inlet Airflow During Static Acoustical Tests of Turbofan Engines and Fan Rigs

2020-03-13
WIP
AIR1935A
Generally it is desirable during static engine noise testing to simulate the noise-generating processes that occur during takeoff or landing. One factor that may have significant influence on fan noise from turbofan engines during static testing is the airflow distortion encountered by the low-pressure fan stage. This report presents technical details on devices that "condition" the airflow entering the engine to more nearly simulate flight operations without introducing a detrimental impact on sound propagating from the engine.
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