Stability of fully developed rotating stallIn McCaughan (1989b) it was observed that the slopes of both the axisymmetric and rotating stall characteristics play a major role in determining the mode of instability of the engine and the recovery point. That analysis was carried out for the grossly simplified model where the stall cell was considered as a traveling sine wave. That work has been extended to the more reasonable situation where the stall cell is represented by forty Fourier modes. The results from the simple model of three ordinary differential equations are discussed in the light of the more realistic calculations. In particular we discuss the effects of two parameters: the steepness of the axisymmetric characteristic and the shutoff head.
Document ID
19930035310
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mccaughan, F. E. (NASA Lewis Research Center Cleveland, OH, United States)
Xue, Hong X. (Case Western Reserve Univ. Cleveland, OH, United States)
Date Acquired
August 15, 2013
Publication Date
June 1, 1992
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
ASME PAPER 92-GT-57
Meeting Information
Meeting: ASME, International Gas Turbine and Aeroengine Congress and Exposition