Abstract
The applicability of wind speed measurement uncertainty evaluation with the pitot tube for the Guide to the expression of uncertainty in measurement (GUM) method is yet to be validated. Firstly, the uncertainty of the measured value of wind speed by the pitot tube is evaluated by GUM and Monte Carlo method (MCM). Then, the applicability of GUM method is verified by the method given in JCGM 101:2008 GUM supplement1, and it is concluded that the GUM method is still applicable to the evaluation of uncertainty in the wind speed measurement of pitot tube. Finally, comparing the GUM method with MCM, the influence degree of the GUM method on the volatility and dispersion of the probability distribution of wind speed measurement result is -0.31%~0.33% and -0.48%~0.26%, respectively. Since the degree of influence is small to the measured value of wind speed relatively, it is possible to determine whether to correct it according to the actual situation when applying.
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