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タイトルDetection of Bi-Directionality in Strain-Gage Balance Calibration Data
本文(外部サイト)http://hdl.handle.net/2060/20120012535
著者(英)Ulbrich, Norbert
著者所属(英)Jacobs Technology, Inc.
発行日2012-06-24
言語eng
内容記述An indicator variable was developed for both visualization and detection of bi-directionality in wind tunnel strain-gage balance calibration data. First, the calculation of the indicator variable is explained in detail. Then, a criterion is discussed that may be used to decide which gage outputs of a balance have bi- directional behavior. The result of this analysis could be used, for example, to justify the selection of certain absolute value or other even function terms in the regression model of gage outputs whenever the Iterative Method is chosen for the balance calibration data analysis. Calibration data of NASA s MK40 Task balance is analyzed to illustrate both the calculation of the indicator variable and the application of the proposed criterion. Finally, bi directionality characteristics of typical multi piece, hybrid, single piece, and semispan balances are determined and discussed.
NASA分類Aerodynamics
レポートNOARC-E-DAA-TN5249
ARC-E-DAA-TN4564
権利Copyright, Distribution under U.S. Government purpose rights
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/241801


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