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Conceptual Thermal Design and Analysis of a Far-Infrared/Mid-Infrared Remote Sensing Instrument
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English
Abstract
This paper presents the conceptual thermal design and analysis results for the Spectroscopy of the Atmosphere using Far-Infrared Emission (SAFIRE) instrument. SAFIRE has been proposed for Mission to Planet Earth to study ozone chemistry in the middle atmosphere using remote sensing of the atmosphere in the far-infrared (21-87 microns) and mid- infrared (9-16 microns) spectra. SAFIRE requires that far-IR detectors be cooled to 3-4 K and mid-IR detectors to 80 K for the expected mission lifetime of five years. A superfluid helium dewar and Stirling-cycle cryocoolers provide the cryogenic temperatures required by the infrared detectors. The proposed instrument thermal design uses passive thermal control techniques to reject 465 watts of waste heat from the instrument.
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Citation
Roettker, W., "Conceptual Thermal Design and Analysis of a Far-Infrared/Mid-Infrared Remote Sensing Instrument," SAE Technical Paper 921369, 1992, https://doi.org/10.4271/921369.Also In
References
- Moses, Robert W. Averill, Robert D. Conceptual Design and Structural Analysis of the Spectroscopy of the Atmosphere using Far-Infrared Emission (SAFIRE) Experiment NASA TM-104144 April 1992
- Ball Aerospace Systems Division SAFIRE Technical Proposal 1 July 1989
- Lee, J. H. Payne, D.A. Averill, R.D. Design of the Cryogenic Subsystem for the SAFIRE Instrument Cryogenic Engineering Conference Huntsville AL June 1991
- Thermal Radiation Analysis System (TRASYS) User's Manual April 1988
- K&K Associates TAK-II (Thermal Analysis Kit-II) User's Manual August 1989
- SINDA`85/FLUINT (Systems Improved Numerical Differencing Analyzer and Fluid Integrator) User's Manual