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首页> 美国政府科技报告 >Unsteady Aerodynamics of a Rotating Compressor Blade Row in Incompressible Flow. Volume 1. Experimental Facilities, Procedures and Sample Data
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Unsteady Aerodynamics of a Rotating Compressor Blade Row in Incompressible Flow. Volume 1. Experimental Facilities, Procedures and Sample Data

机译：不可压缩流动中旋转压缩机叶片排的非定常空气动力学。第1卷。实验设施，程序和样本数据

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摘要

An experiment was conducted on a heavily instrumented isolated model compressor rotor to study the unsteady aerodynamic response of the blade row to a circumferential inlet flow distortion with non-oscillating blades, and to blade oscillation in an undistorted flow. To accomplish this, miniature pressure transducers were imbedded in the blades and the unsteady pressure time histories were recorded as the blades were subjected to these conditions. Both phases of the experiment were performed over a wide range of flow coefficient, from (c sub x)/(u sub m) = 0.6 to 0.95 in 0.05 steps, and data were taken at each condition for disturbances characterized by one, two, and four per revolution waves. Steady-state data were also acquired and were found to agree with baseline data obtained from an earlier experiment using the same model geometry. Volume I describes the purpose of the experiment, the test rig and model hardware, the data system, and the techniques used to acquire and reduce the data. Some sample data taken at the design condition, (c sub x)/(u sub m) = 0.8 are also included.

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