Uncertainties in pressure coefficients derived from full and model scale data / $c by Fei Long.

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Title: Uncertainties in pressure coefficients derived from full and model scale data / $c by Fei Long.
Author: Long, Fei
Abstract: The purpose of this study is to build the uncertainties associated with the wind tunnel testing and full -scale to wind tunnel pressure coefficient extrapolation by comparing the model and full -scale pressure coefficients . Two types of comparisons were made : one is the comparison between the two models CSU & SLM , and the other is the comparison between the models and full -scale (WERFL ) . For each case , both the observed statistics (i .e . , mean , standard deviation , maximum , and minimum Cp ) and estimated mean extreme Cp are analyzed . Two methods are used to obtain the estimated mean hourly extreme pressure coefficients . For the first case , the uncertainties according to repeatability , model -building , use of different wind tunnels , and estimation techniques for pressure coefficients statistics (i .e . , both observed statistics and estimated mean extreme Cp ) were estimated . For the second case , the pressure coefficients statistics (i .e . , both observed statistics and estimated mean extreme Cp ) of model and full -scale records achieved for a comparison . Individual tap time series as well as the area average and moving average time series were used to establish the uncertainties . The best -fit (Palisade Corporation , 1993 ) program is used to obtain best -fit probability density function and summary statistics for the error terms of all observed statistics comparison .
URI: http : / /hdl .handle .net /2346 /15683
Date: 2004-08

Citation

Uncertainties in pressure coefficients derived from full and model scale data / $c by Fei Long.. Master's thesis, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /15683 .

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