Analysis of stage matching and off-design performance of multistage axial-flow compressors

Finger, Harold B., Dugan, James F., Jr.
naca-rm-e52d07
1952


An analysis is presented to give a qualitative picture of the operation of each stage in a high-pressure-ratio multistage compressor over a full range of operating flows and speeds and to point out methods of improving off-design performance. Single-stage performance results have been stacked to form a multistage compressor in which the design or match point of each stage has been arbitrarily selected. The effects of single-stage performance, stage match point, and stator-blade-angle adjustment are considered.

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