Development of the infrared blackbody source of gravity-type heatpipe and study of its characteristic

Zhi Xie; Kuiming Gao; Guanghui Shan

doi:10.1117/12.21857

1 September 1990 Development of the infrared blackbody source of gravity-type heatpipe and study of its characteristic

Zhi Xie, Kuiming Gao, Guanghui Shan

Proceedings Volume 1311, Characterization, Propagation, and Simulation of Infrared Scenes; (1990) https://doi.org/10.1117/12.21857
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

A gravity-type heat pipe blackbody source is described. The simple construction of the pipe involves condensed liquid flowing back to the evaporation zone under gravitational influence. The temperature distribution of the cavity walls is very even, with a maximum temperature difference of less than 0.6 C. The effective distribution of the double-cone construction is calculated, and it is found that the effective emissivity at the working area is over 0.999.

Citation Download Citation

Zhi Xie, Kuiming Gao, and Guanghui Shan "Development of the infrared blackbody source of gravity-type heatpipe and study of its characteristic", Proc. SPIE 1311, Characterization, Propagation, and Simulation of Infrared Scenes, (1 September 1990); https://doi.org/10.1117/12.21857

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