Pitot tube is often used for fluid velocity measurement. Calibration of Pitot tube is performed in wind tunnel, with standard LDA – measurement system. The purpose of calibration is to determine measurement error between indicated and reference air speed or to determine calibration factor of the measurement tube. In this thesis, by taking into account relevant references, we defined the general process of calibration of Pitot measurement tube for the purpose of air velocity measurement. In line with the defined process, we performed a concrete example of calibrating measurement tube, for which we had to set up suitable measurement system. Throughout the thesis, all the important procedures for calibrating the measurement tube are described. In the end, the results of the practical implementation of calibration are adequately discussed and presented.
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