Accession Number : AD0742446

Title :   Derivation and Evaluation of a Radial Inlet Pressure Distortion Index.

Descriptive Note : Final technical rept.,

Corporate Author : NAVAL AIR PROPULSION TEST CENTER TRENTON N J AERONAUTICAL TURBINE DEPT

Personal Author(s) : Brunda,Donald F. ; Boytos,Joseph F.

Report Date : APR 1972

Pagination or Media Count : 48

Abstract : A generalized, steady-state, radial inlet pressure distortion index (Kr) was derived theoretically, and evaluated by full-scale tests on a J52-P-8A turbojet engine. Test data at stall for one-per-span hub-radial and tip-radial distortion generalized with the derived distortion index Kr as a function of low compressor rotor speed and corrected average radius ratio. At each corrected rotor speed, the Kr defines the distortion tolerance of the compressor, regardless of the radial position, or extent, of the distortion. (Author)

Descriptors :   (*TURBOJET INLETS, PRESSURE), AIRCRAFT ENGINES, FLUID FLOW, DISTORTION, AXIAL FLOW COMPRESSORS, STALLING, MATHEMATICAL MODELS, TEST METHODS

Subject Categories : Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE