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航天器分子污染返回流計(jì)算方法

Simulation methods for the return flux of molecular contamination

  • 摘要: 隨著航天器對(duì)長壽命、高性能、高可靠要求的不斷提高，污染逐漸成為影響任務(wù)成功的重要因素之一，數(shù)值模擬是評(píng)估分子污染的主要手段之一。文章對(duì)返回流計(jì)算方法進(jìn)行了總結(jié)，詳細(xì)介紹不同方法的理論基礎(chǔ)、計(jì)算細(xì)節(jié)，對(duì)每種方法的優(yōu)缺點(diǎn)、適用性等進(jìn)行了比較分析。

     

    Abstract: With the development in long life, high performance and reliability of a spacecraft, the molecular contamination is becoming a more and more important factor to mission success. Numerical simulation is one of main tools for evaluating contamination level. In this article, the studies on simulation methods for return flux of molecular contamination are reviewed. The theory, computational detail, and applicability of methods are discussed.

     

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