SAE AIR1419A-2011
气体涡轮发动机的进口总压力变形考虑因素

Inlet Total-Pressure-Distortion Considerations for Gas-Turbine Engines

被代替

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标准号

SAE AIR1419A-2011

发布

2011年

发布单位

美国机动车工程师协会

替代标准

SAE AIR1419B-2013

当前最新

SAE AIR1419D-2023

 

 

引用标准

680286 ARP1420 Cotter H. N. March 1978 May 1968. Recommended Practice “Gas Turbine Engine Inlet Flow Distortion Guidelines “Integration of Inlet and Engine - An Engine Man’s Point of View ” SAE Paper No. ” Society of Automotive Engineers Aerospace

适用范围

AIR1419 “Inlet Total Pressure Distortion Considerations for Gas Turbine Engines” documentsengineering information for use as reference material and for guidance. Inlet total-pressure distortionand other forms of flow distortion that can influence inlet/engine compatibility require examination toestablish their effect on engine stability and performance. This report centers on inlet-generated totalpressuredistortion measured at the Aerodynamic Interface Plane (AIP), not because this isnecessarily the sole concern, but because it has been given sufficient attention in the aircraft andengine communities to produce generally accepted engineering practices for dealing with it. Thereport does not address procedures for dealing with performance destabilizing influences other thanthose due to total-pressure distortion, or with the effects of any distortion on aeroelastic stability. Thepropulsion system designer must be careful to assure that, throughout the development process, otherforms of inlet flow distortion, which can have just as serious effects on system stability andperformance, have been effectively addressed.The report deals with spatial total-pressure distortion, as defined by an array of high-response totalpressureprobes. Time-variant total-pressure distortion, synthesized from statistical data, can provideuseful information. However, the consensus of SAE S-16 is that such techniques are not developedsufficiently to permit general guidelines to be formulated.

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