Thermal Conductivity of Multilayer Insulation in the Martian Atmosphere

IF 0.4 4区 工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY
N. P. Semena, Yu. S. Dobrolenskiy, D. V. Serbinov, N. A. Vyazovetskiy, F. G. Martynovich
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引用次数: 0

Abstract

The experimental results of measurements of the thermal conductivity of standard multilayer insulation (MLI) in vacuum and under conditions simulating the Martian atmosphere are presented. These measurements have shown that the thermal conductivity becomes approximately one third higher when the insulation moves from vacuum into the Martian atmosphere. The obtained results make it possible to correctly determine the heating power of MLI-coated instruments on the Martian surface and, thus, to use the standard MLI during both the flight period and operations on Mars’s surface. The MLI-coated ISEM instrument, which was a part of the Pasteur payload of the cancelled ExoMars-2022 mission, was used as an object of the experiment.

Abstract Image

火星大气中多层绝缘材料的导热性能
摘要 介绍了在真空和模拟火星大气的条件下测量标准多层绝缘(MLI)导热性的实验结果。这些测量结果表明,当隔热材料从真空进入火星大气层时,其热导率会提高约三分之一。所获得的结果使我们能够正确确定火星表面 MLI 涂层仪器的加热功率,从而在飞行期间和火星表面运行期间使用标准 MLI。已被取消的 ExoMars-2022 飞行任务中的巴斯德有效载荷的一部分--MLI 涂层 ISEM 仪器被用作实验对象。
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来源期刊
Instruments and Experimental Techniques
Instruments and Experimental Techniques 工程技术-工程:综合
CiteScore
1.20
自引率
33.30%
发文量
113
审稿时长
4-8 weeks
期刊介绍: Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.
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