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Instruments and Systems: Monitoring, Control, and Diagnostics

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Software attestation for experimental-computational determination of gas flow temperature and velocity at high hypersonic speeds
S.M. BOLDYREV, R.A. DAVLETKILDEEV, M.A. LEVCHENKO

Attestation procedure of software used for calculating of gas flow temperature and velocity in measurement techniques intended for high-speed hypersonic wind tunnel is considered. In considering the procedure primary attention is given to metrological attestation, which is so necessary for determination of errors introduced by the software. Since it seems to be impossible to determine errors of gas flow temperature and velocity indirect measurements applying analytical methods, and their experimental determination would have been very expensive, the errors were estimated by statistical testing method by means of a computer. The algorithms implemented in the software under attestation and the information technology of statistical test method usage are described, and the examples of the results obtained during metrological attestation are presented.
Keywords: measurement technique, gas flow, metrological attestation, software, information technology, statistical testing method.


DOI: 10.25791/pribor.11.2018.263

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