Skin Radiation Measurement Method of High Altitude Aircraft Based on Long Wave Infrared Light

MA Jun; WEN Maoxing; ZHOU Feng

Volume 43 Issue 3

Apr. 2021

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MA Jun, WEN Maoxing, ZHOU Feng. Skin Radiation Measurement Method of High Altitude Aircraft Based on Long Wave Infrared Light[J]. Infrared Technology , 2021, 43(3): 284-291.

Citation:

MA Jun, WEN Maoxing, ZHOU Feng. Skin Radiation Measurement Method of High Altitude Aircraft Based on Long Wave Infrared Light[J]. Infrared Technology , 2021, 43(3): 284-291.

MA Jun, WEN Maoxing, ZHOU Feng. Skin Radiation Measurement Method of High Altitude Aircraft Based on Long Wave Infrared Light[J]. Infrared Technology , 2021, 43(3): 284-291.

Citation:

MA Jun, WEN Maoxing, ZHOU Feng. Skin Radiation Measurement Method of High Altitude Aircraft Based on Long Wave Infrared Light[J]. Infrared Technology , 2021, 43(3): 284-291.

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Skin Radiation Measurement Method of High Altitude Aircraft Based on Long Wave Infrared Light

MA Jun^{1, 2
,},
WEN Maoxing¹,
ZHOU Feng³

1.
Key Laboratory of Space Actice Opto-Electronics Technology, Shanghai Institute of Technical Physics of Chinese Academy of Science, Shanghai 200083, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
95899 Unit, The Chinese People's Liberation Army, Beijing 100096, China

Received Date: 2020-03-14
Rev Recd Date: 2020-06-05
Publish Date: 2021-04-02

Abstract

Abstract

This paper presents a method for radiation measurement and temperature inversion of aircraft skin in flight. Firstly, the skin radiation, atmospheric transport, and absolute radiation correction models are established. Then, the formula of temperature inversion is deduced, and the skin temperature is calculated by successive approximation. Based on theoretical analysis, a wideband long wave (infrared) camera that can image light of wavelength 8-12 μm is used for experimental verification and temperature inversion. By calculating and modifying the uncertainty of inverted temperature, the result of modifying the skin temperature of civil aircraft at 5 km flight height is 268 K; the uncertainty of modifying is 4 K, and the relative uncertainty of modifying is 1.49%.The research work of this paper would be useful for acquiring infrared radiation characteristics of aircraft targets.
- long wave infrared,
- temperature measurement,
- skin,
- atmospheric attenuation,
- successive approximation,
- uncertainty analysis

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References(20)

References

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