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王贺权(1973—),男,河北唐山人,教授,博士,主要研究方向为复合材料与涂层技术,E-mail:neuwhq@163.com。 |
收稿日期: 2025-01-26
修回日期: 2025-03-28
录用日期: 2025-04-02
网络出版日期: 2026-06-15
基金资助
辽宁省航发材料摩擦学重点实验室开放课题(LKLAMTF202204)
Infrared radiance detection of composite film surfaces and influencing factors
Received date: 2025-01-26
Revised date: 2025-03-28
Accepted date: 2025-04-02
Online published: 2026-06-15
为了检测低红外辐射度薄膜的红外辐射度,并探究温度、距离、视角对检测结果的影响,论证了温比系数与红外辐射度的理论关系,搭建了可以同时兼容多个试样的测试系统。分别在0°、15°、30°、45° 4个角度及0.8、1.2、1.6 m 3个距离上测试了复合薄膜在773~1 023 K温段内的温比系数,分析温度、距离、视角对其温比系数的影响。结果表明,在测试温段内随着温度的升高,试样温比系数逐渐下降;在测试距离上,各位置试样在0.8 m的温比系数高于1.2 m与1.6 m;在测试角度上,边缘试样在30°、45°的温比系数明显高于0°、15°,这种差距随着测试温度的升高而增大,非边缘试样在4个测试角度内温比系数几乎不变。研究结果为后续多层复合薄膜表面红外辐射度的研究奠定基础。
王贺权 , 王海旭 . 复合薄膜表面红外辐射度检测及影响因素[J]. 沈阳航空航天大学学报, 2026 , 43(2) : 36 -42 . DOI: 10.3969/j.issn.2095-1248.2026.02.005
In order to measure the infrared radiance of low-infrared-emittance films and explore the influence of temperature, distance and viewing angle on the detection results,the theoretical relationship between the temperature ratio coefficient and infrared emittance was demonstrated. A testing system that could be compatible with multiple samples simultaneously was constructed. The temperature ratio coefficients of the composite films within the temperature range of 773—1 023 K were tested at four angles with 0°, 15°, 30°, 45° and three distances with 0.8 m,1.2 m,1.6 m, respectively. The influence of detection temperature, distance and viewing angle on the temperature ratio coefficient of the samples was analyzed. The results show that within the tested temperature range,as the temperature increases, the temperature ratio coefficient of the samples gradually decreases; in terms of the tested distances, the temperature ratio coefficient of the samples at each position at 0.8 m is higher than that at 1.2 m and 1.6 m; in terms of the tested angles, the temperature ratio coefficients of the edge samples at 30° and 45° are significantly higher than those at 0° and 15°, and this gap increases with the increase of the testing temperature. The temperature ratio coefficients of the non-edge samples remain almost unchanged within the four tested angles. The research results of this paper lay a foundation for the subsequent research on the surface infrared emittance of multi-layer composite films.
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