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一些现用靶标存在着比辐射率低及使用寿命短这样两个问题。本文针对这两个问题分别作了如下论述:从热力学有关定律出发,分别讨论了影响比辐射率的有关因素——辐射体表面材料、辐射体表面温度及辐射体表面状态。又从靶标的使用条件及使用环境出发,分析了影响靶标使用寿命的有关因素——高温氧化及化学腐蚀。另外,本文对实际使用靶标的技术性能作了具体分析。首先对用普通钢板制造外壳的靶标的技术性能作了详细讨论,接着对用不锈钢板制造外壳的靶标的技术性能作了认真分析,并把这种分析讨论所得到的结论与实用效果作了对照,从而得出分析结果和实用效果相一致的结论,进而得出靶标不能正确模拟实际目标的固有缺点是靶标本身所造成的。并指
Some current targets have two problems that are lower than the emissivity and have a short service life. In this paper, the following two issues are discussed respectively: From the thermodynamics of the law, respectively, the factors that affect the emissivity are discussed - the surface material of the radiator, the radiator surface temperature and the radiator surface conditions. Starting from the conditions of using the target and the operating environment, the factors that affect the service life of the target are analyzed - high temperature oxidation and chemical corrosion. In addition, this paper makes a concrete analysis of the technical performance of the actual target. First of all, the technical performance of the target made of the ordinary steel plate is discussed in detail. Then the technical performance of the target made of the stainless steel plate is carefully analyzed, and the conclusion of the analysis and discussion is compared with the practical effect , And draw the conclusion that the result of the analysis is consistent with the practical result, and then draw the conclusion that the inherent defect that the target can not correctly simulate the actual target is caused by the target itself. And mean