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Investigation of integral emissivity of semi-transparent fabrics and films

机译：半透明面料和薄膜积分发射率的研究

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摘要

The method and the facility for investigations of radiant characteristics (total emissivity, transparence and reflectance) of semi-transparent fabrics and films are presented. The method is based on a measurements and comparison of effective emissivity of a test sample with two different opaque sublayers, whose radiant characteristics are known. These emissivity measurements are performed at the same temperatures. The determination of effective total emissivity of is carried out by means of the measurement of total radiant flux of a test sample with sublayer when ones are rotated in a heating isothermal zone with a controllable temperature. Facility permits to determine both the normal and hemispherical above radiant characteristics of semi-transparent fabrics and films in the temperature range from 300 to 900 K. The investigation results obtained for three glass fabrics are presented.
机译：提出了用于研究半透明织物和薄膜的辐射特性（总发射率，透明度和反射率）的方法和设施。该方法基于测量和比较测试样品的有效发射率，其中具有两个不同的不透明子层，其辐射特性是已知的。这些发射率测量在相同的温度下进行。当在具有可控温度的加热等温区中旋转时，通过测量试样的试样的总辐射通量的测量来进行有效总发射率的测定。设施允许确定半透明织物的正常和半球形的辐射特性和温度范围为300至900k的薄膜。提出了三种玻璃织物的研究结果。

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