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http://dx.doi.org/10.5139/JKSAS.2016.44.12.1054

Measurement and Validation of Infrared Signature from Exhaust Plume of a Micro-Turbo Engine  

Gu, Bonchan (Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology)
Baek, Seung Wook (Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology)
Jegal, Hyunwook (Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology)
Choi, Seongman (Aerospace Engineering Department, Chonbuk National University)
Kim, Won Cheol (7th R&D Institute-2, Agency for Defense Development)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.44, no.12, 2016 , pp. 1054-1061 More about this Journal
Abstract
Development of an accurate infrared signature (IR) measurement system is expected to contribute in the development of low observable technology and the spectroscopic analysis of electromagnetic radiation. Application of a spectroradiometer (SR) allows for the measurement of detailed infrared signature from the exhaust plume due to its own heat source. Establishment of a measurement system using a micro-turbo engine is intended to simulate the modelling of the aircraft plume. The engine was installed on a test stand to measure the engine performance. The IR signature was measured by placing the SR perpendicular to the axis line of the exhaust plume. Reference data from the blackbody were also measured to calibrate the raw data, and the infrared signature of the background was also measured for comparison with that of the plume. The calibrated spectral radiance was obtained through the data reduction process and the results were analyzed in specific bands. The experiments revealed that the measurement system established here showed sufficient performance for further comprehensive analysis.
Keywords
Infrared signature; Micro turbine engine; Exhaust plume; Spectroradiometer; Spectral radiance; Blackbody;
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Times Cited By KSCI : 4  (Citation Analysis)
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