Question

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Based on the given physical model, a mathematical model of heat transfer process in the material’s specimen (infinite plate of known thickness) can be presented as follows [4]:
To determine the heat flux on the specimens’ back faces, the sensitive elements are installed there in the form of thin copper plates of 60 ×60 ×0.3mm in size with guard masks (frames) from the same material, se Fig. 3. Two identical specimens have been made for testing: 1a, 1b of the material ETTI-CF-ULT and 2a, 2b of the material ETTI-CF-ERG. A photograph of one of the specimens prior to installation of thermocouples and heat flux sensor is presented in Fig. 4.
When installed on the specimen’s heating surfaces, the thermocouples were fixed on the surface by means of a special thermoresistant compound. The thermocouple junction relative to the specimen’s surface was hence under control. The heat flux sensors with guard masks (frames) installed on the back faces of the specimens were also fixed on the specimen’s surface by means of a special thermoresistant compound. Prior to the thermocouple installation, the calibration and functional test was made. A picture of the EM with installed specimens and removed upper plate of the heat-insulating holder is shown in Fig. 5. The assembled experiment module was installed in the vacuum chamber of stand TVS-1.

Answer 1

基于给定的物理模型，数学模型的传热过程中的物质的标本（无限大板已知的厚度） ，可以提出如下[ 4 ] ：
确定热流对标本'回脸，敏感的元素都安装有其形式的超薄铜板的60 × 60 × 0.3毫米大小与后卫口罩（张）来自同一素材，硒图。 3 。两个相同的标本已被用于测试：一A ，第1 B物质etti -碳纤维-超低温和甲，乙的物质etti -比照- ERG的。照片上的一个标本之前安装的热电偶和热流传感器，是在图。 4 。
当安装在试样的受热面，热电偶被固定在表面上通过一项特别抗热大院。热电偶交界相对试样的表面，因此受到控制。热流传感器与后卫口罩（张）安装在背部，脸上的标本也固定于试样表面的手段，特别抗热大院。之前热电偶装置，校准和功能测试进行了比较。图片审核与安装标本，并取消上板的隔热持有人的表现是图。 5 。组装好的试验舱安装在真空室中的立场电视- 1 。

Answer 2

基于给定的物理模型，数学模型的传热过程中的物质的标本（无限大板已知的厚度） ，可以提出如下[ 4 ] ：
确定热流对标本'回脸，敏感的元素都安装有其形式的超薄铜板的60 × 60 × 0.3毫米大小与后卫口罩（张）来自同一素材，硒图。 3 。两个相同的标本已被用于测试：一A ，第1 B物质etti -碳纤维-超低温和甲，乙的物质etti -比照- ERG的。