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Proceedings Paper

Transient radiometric measurements with a PtSi IR camera
Author(s): Wayne L Konopka; Michael A. Soel; Anthony Celentano; V. Calia
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Paper Abstract

Transient measurements in fluid flows are required when the flows are generated by an impulse device such as a shock tube. In our laboratory, a shock tube is used to generate simulated rocket plumes which are investigated for the development/validation of plume signature codes. This paper describes progress in the implementation and use of a PtSi camera to obtain radiometric data in test time periods that are less than conventional frame rates for such devices. Optical modifications and implementation of the camera as an absolute radiometric detector are presented. Overall camera performance in terms of system noise and dynamic range is assessed, and sample plume images in the H2O band centered at 2.8 microns are shown. Future system improvements and measurement program capabilities are mentioned.

Paper Details

Date Published: 1 September 1991
PDF: 11 pages
Proc. SPIE 1488, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing II, (1 September 1991); doi: 10.1117/12.45816
Show Author Affiliations
Wayne L Konopka, Grumman Corp. (United States)
Michael A. Soel, Grumman Corp. (United States)
Anthony Celentano, Grumman Corp. (United States)
V. Calia, Grumman Corp. (United States)


Published in SPIE Proceedings Vol. 1488:
Infrared Imaging Systems: Design, Analysis, Modeling, and Testing II
Gerald C. Holst, Editor(s)

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