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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.v40.i5.80
pages 619-629

RESEARCH ON THERMAL DYNAMICS OF STRAIN-GAUGE BALANCE AND DEVELOPMENT OF METHODS FOR ITS TEMPERATURE ERROR REDUCTION

V. V. Bogdanov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str, Zhukovsky, 140180, Moscow region, Russia
Valerii Semyonovich Volobuyev
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str, Zhukovsky, 140180, Moscow region, Russia
Anton Roaldovich Gorbushin
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

ABSTRACT

A study of thermodynamics of multicomponent strain-gauge balance was carried out and measures were proposed to reduce its temperature errors due to the nonstationary spatial gradients of temperature. The balance thermal dynamic model based on the method of electric thermal analogy was developed and experimentally tested. A method was proposed for taking into account the variations of the zero reading of strain-gauge balance during the experiment.


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