Test and analysis of the infrared characteristic of the plume-smoke

Xiaolong Zhang; Guang Zhang; Dapeng Chen; Yanbing Dong

doi:10.1117/12.2178618

13 April 2015 Test and analysis of the infrared characteristic of the plume-smoke

Xiaolong Zhang, Guang Zhang, Dapeng Chen, Yanbing Dong

Proceedings Volume 9522, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part II; 95220D (2015) https://doi.org/10.1117/12.2178618
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China

Abstract

The plume-smoke is one of the main infrared characteristic signal sources of the engine. In this paper, the infrared signal characteristic of a small test engine’s plume-smoke is studied. We conduct a quantitative observation of some specific points in the movement path of the plume-smoke by the MW and LW infrared thermal imager. Through the analysis of the smokeless and smoke infrared sequential images, we can get the infrared radiation and the transmission characteristics of the plume-smoke and their variation law with time. Experiments show that there exists a critical temperature of the plume-smoke; the radiation of background can increase when the temperature of the plume-smoke is higher than the critical temperature. On the contrary, the radiation of background decreases when the temperature of the plume-smoke is lower than the critical temperature. In this paper, the research provides a reference for further study on the infrared characteristic of the plume-smoke.

Citation Download Citation

Xiaolong Zhang, Guang Zhang, Dapeng Chen, and Yanbing Dong "Test and analysis of the infrared characteristic of the plume-smoke", Proc. SPIE 9522, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part II, 95220D (13 April 2015); https://doi.org/10.1117/12.2178618

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