Five-hole Flow Angle Probe Calibration for the NASA Glenn Icing Research Tunnel PDF Download
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Author: Jose C. Gonsalez
Publisher:
ISBN:
Category :
Languages : en
Pages : 23
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Author: Jose C. Gonsalez
Publisher:
ISBN:
Category :
Languages : en
Pages : 23
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Author: Jose C. Gonsalez
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781725003941
Category :
Languages : en
Pages : 36
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Book Description
A new algorithm for five-hole probe calibration and data reduction using a non-nulling method is developed. The significant features of the algorithm are: (1) two components of the unit vector in the flow direction replace pitch and yaw angles as flow direction variables; and (2) symmetry rules are developed that greatly simplify Taylor's series representations of the calibration data. In data reduction, four pressure coefficients allow total pressure, static pressure, and flow direction to be calculated directly. The new algorithm's simplicity permits an analytical treatment of the propagation of uncertainty in five-hole probe measurement. The objectives of the uncertainty analysis are to quantify uncertainty of five-hole results (e.g., total pressure, static pressure, and flow direction) and determine the dependence of the result uncertainty on the uncertainty of all underlying experimental and calibration measurands. This study outlines a general procedure that other researchers may use to determine five-hole probe result uncertainty and provides guidance to improve measurement technique. The new algorithm is applied to calibrate and reduce data from a rake of five-hole probes. Here, ten individual probes are mounted on a single probe shaft and used simultaneously. Use of this probe is made practical by the simplicity afforded by this algorithm. Reichert, Bruce A. and Wendt, Bruce J. Glenn Research Center NASA-TM-106458, E-8319, NAS 1.15:106458 RTOP 505-62-52...
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 34
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Author: Jose C. Gonsalez
Publisher:
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Category :
Languages : en
Pages : 46
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Author: Scott O. Kjelgaard
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Category :
Languages : en
Pages : 32
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Author:
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Category :
Languages : en
Pages : 56
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Author: Joint Institute for Aeronautics and Acoustics. Joint Institute for Aeronautics and Acoustics
Publisher:
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Category :
Languages : en
Pages : 88
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Author: Bruce A. Reichert
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Author:
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Category : Government publications
Languages : en
Pages : 658
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