Methodological study demonstrates calibration of tensometric balance sensors on a wind tunnel stand, highlighting accurate aerodynamic force measurement.
Calculatical graphical method for checking the readings of tensometric sensors, which are used to measure aerodynamic forces and moments, is proposed. The method is based on the calculation of the static composite structure of the weight mechanism of the laboratory stand NTC-19.02 “Wind Tunnel”. The main forces and moments acting on the structure were determined, the values of which were compared with the readings of strain gauges. In case of discrepancy between the values obtained by measurement and calculation, a calibration graph was constructed and a linear calibration equation was determined from it, followed by correction of the discrepant values.
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Малеронок et al. (2024) studied this question.
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