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http://dx.doi.org/10.6108/KSPE.2020.24.3.018

Study of an Estimation Method of Thrust Measurement Uncertainty for the Solid Rocket Motors  

Lee, Kyu Joon (Agency for Defense Development)
Kwon, Younghwa (Agency for Defense Development)
Lee, Young Won (Agency for Defense Development)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.24, no.3, 2020 , pp. 18-30 More about this Journal
Abstract
This study deals an estimation method of thrust measurement uncertainty in solid rocket motors. Guidelines of the force measurement uncertainty estimation have been provided by ISO, domestic and international organizations. However, all of them are described by focusing on the force calibration machines and force transducers with a conceptually-driven way. Thus the guidelines cannot be directly applicable to uncertainty estimation of calibration equation and its linear approximation, which are critical error sources in the thrust measurement. In this paper, the equations taking into account effects of both error sources are derived based on fundamental concepts of measurement uncertainty. These are applied to the real thrust measurement system where a relatively simple estimation method for the thrust measurement uncertainty is proposed.
Keywords
Measurement Uncertainty; TMS(Thrust Measurement System); Calibration Equation; Linear Approximation Uncertainty;
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Times Cited By KSCI : 1  (Citation Analysis)
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