PRESSURE MEASUREMENT OF INDUCED EXTERNAL ATMOSPHERE ON THE RUSSIAN SEGMENT OF THE INTERNATIONAL SPACE STATION IN EXPERIMENT «CONTROL»

Space engineering and technology Pub Date : 2021-12-30 DOI:10.33950/spacetech-2308-7625-2021-4-100-113

E. Aleksandrov, M. S. Antipova, A. Krylov, Aleksandr V. Kashkovskiy, Anna A. Rodicheva

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Abstract

The goals and objectives of space experiment Control to study parameters of the induced external atmosphere of the Russian Segment of the International Space Station are presented. The processing and analysis procedure for telemetry data obtained using scientific equipment Indicator - ISS is described. Numerical calculations were performed by direct statistical modeling of the flow around the pressure sensor by incoming flotation the Earth's outer atmosphere in the background measurement conditions, as well as in disturbed conditions with two vernier engines of the Zvezda module being operated. A correction function of the pressure sensor is obtained depending on the orientation, temperature factor and selected model of interaction of incident flow molecules with the internal and external device surfaces. The results of numerical modeling of the jet discharges of the the Zvezda vernier engine were compared with the data obtained in full-scale pressure measurements in experiment Control. Key words: pressure sensor, orbital station, induced external atmosphere, direct statistical modeling method.

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在“控制”实验中对国际空间站俄罗斯段诱导外部大气的压力测量

介绍了国际空间站俄罗斯段诱导外大气参数研究的空间实验控制目标和目的。介绍了利用国际空间站(Indicator - ISS)遥测仪器获取遥测数据的处理和分析过程。通过直接统计建模，在背景测量条件下，以及在干扰条件下运行“星号”模块的两个游标发动机，对进入地球外层大气的压力传感器周围的流动进行了数值计算。根据入射流分子与器件内外表面相互作用的方向、温度因子和选择的模型，得到了压力传感器的修正函数。对星号游标发动机喷射流量的数值模拟结果与实验控制中的全尺寸压力测量结果进行了比较。关键词:压力传感器，轨道站，诱导外大气，直接统计建模方法。

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Space engineering and technology

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