IR Scanning Camera Measurements Of An Exhaust Plume From An Axisymmetric Nozzle Afterbody Model At Transonic Mach Numbers

J. A. Roux; R. Glidewell

doi:10.1117/12.956782

12 December 1978 IR Scanning Camera Measurements Of An Exhaust Plume From An Axisymmetric Nozzle Afterbody Model At Transonic Mach Numbers

J. A. Roux, R. Glidewell

Author Affiliations +

Proceedings Volume 0156, Modern Utilization of Infrared Technology IV; (1978) https://doi.org/10.1117/12.956782
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

Abstract

An AGA Thermovision® System 680 was used in studying the IR signature from an axisymmetric nozzle after-body model at transonic Mach numbers (M = 0.0, 0.6, 0.9, 1.3). Radiance measurements from the exhaust plume in the CO2 emission band were observed through a narrow spectral filter (4.21-4.41 µm). Results are presented in the form of axial and radial plume radiance profiles. Such spatially resolved plume radiance measurements serve as a flow visualization to reveal shock structure and as a baseline for plume radiation model prediction.

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J. A. Roux and R. Glidewell "IR Scanning Camera Measurements Of An Exhaust Plume From An Axisymmetric Nozzle Afterbody Model At Transonic Mach Numbers", Proc. SPIE 0156, Modern Utilization of Infrared Technology IV, (12 December 1978); https://doi.org/10.1117/12.956782

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