A laser Doppler anemometry technique for Reynolds stresses measurement |
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Authors: | Thierry M Faure Hubert Miton Nicolas Vassilieff |
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Institution: | (1) Université Pierre et Marie Curie, Paris 6, 91405 Orsay, France |
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Abstract: | A technique is described for the measurement of all components of mean velocity and Reynolds stresses, in a complex turbulent flow where achieving coincidence data acquisition is difficult. The method is based on data recorded using four orientations of the laser probe. It is shown that the measurement errors are not the same for all the components of the Reynolds tensor, but they are sufficiently small to give a good accuracy. An application to a turbomachinery flow is given to illustrate the method. |
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