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>Large-scale advanced propeller blade pressure distributions: Prediction and data
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Large-scale advanced propeller blade pressure distributions: Prediction and data
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机译:大型高级螺旋桨叶片压力分布:预测和数据
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摘要
Two Euler analyses techniques, finite difference and finite volume, were employed to predict the blade surface pressure distributions of a large scale advanced propeller. The predicted pressure distributions were compared with wind tunnel data. Both techniques produced blade pressure distributions that are in fairly good agreement with the data over the range of test Mach numbers of 0.2 to 0.78. However, the numerical simulations fail to predict correctly the measured pressure distributions for the low Mach number, high power case. The data indicate the presence of a leading edge vortex for this case. A discussion of the compressibility effects is also presented.
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