熱真空試驗(yàn)設(shè)備復(fù)疊制冷系統(tǒng)

Cascade Refrigeration System in the Thermal Vacuum Test Facility

摘要: 衛(wèi)星部組件熱真空試驗(yàn)設(shè)備制冷系統(tǒng)提供試驗(yàn)設(shè)備的冷黑環(huán)境。文章介紹了復(fù)疊制冷系統(tǒng)的工藝流程和系統(tǒng)組成，說(shuō)明了制冷系統(tǒng)的性能特點(diǎn)。為了滿足試驗(yàn)設(shè)備的長(zhǎng)壽命性能，對(duì)復(fù)疊制冷系統(tǒng)進(jìn)行了可靠性設(shè)計(jì)。復(fù)疊制冷系統(tǒng)可以應(yīng)用于衛(wèi)星部組件熱真空試驗(yàn)設(shè)備、高低溫試驗(yàn)箱以及醫(yī)用低溫箱等。

Abstract: Low temperature environment is simulated by using a cascade refrigeration system in the thermal vacuum test facility of spacecraft subassembly. The flowchart and the characteristics of the cascade refrigeration system are given in this paper. Design for a cascade refrigeration system is optimized with respect to the life and reliability of the test facility. The cascade refrigeration system can be applied to the thermal vacuum test facility of spacecraft subassembly, ordinary pressure high and low temperature test container, low temperature box for medicine, and so on.

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