中国空间科学技术

中国空间科学技术

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烧蚀材料光谱发射率测量及高温总发射率计算

江伟辉,肖兴成,胡行方,吴国庭   

  1. 中科院上海硅酸盐研究所!上海200050,中科院上海硅酸盐研究所!上海200050,中科院上海硅酸盐研究所!上海200050,北京空间飞行器总体设计部!北京100086
  • 发布日期:1999-08-25

Measurem ent of Spectral Em issivity of Ablators and Calculation of Total High Tem perature Em issivity

Jiang Weihui Xiao Xingcheng Hu Xingfang( Shanghai Institute of Ceram ics, C A S, Shanghai200050) Wu Guoting( Beijing Institute of Spacecraft System Engineering, Beijing 100086)   

  • Online:1999-08-25

被引次数

4

摘要： 采用辐射能量法测量了三种烧蚀材料的中温光谱发射率。提出了由所测中温光谱发射率计算烧蚀材料的高温发射率的方法。此外，还推导出由不同波段的发射率计算材料总发射率的公式。

关键词: 发射率;光谱特征;烧蚀材料;计算

Abstract: Medium tem perature spectral em issivity of three kinds of ablators w erem easured by using radiom etry. The m ethod for com puting totalhigh tem perature em issivi ty ofthe ablators according to theirm edium tem perature spectralem issivity presented. Inaddition, a form ula w as derived to calculate totalem issivity on the basis of em issivity invarious ranges of w avelength.