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ESARAD, Software for View Factor, Radiative Exchange Factor and Heat Flux Calculation
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English
Abstract
This paper discusses the capabilities of the ESARAD software which is currently under development for the European Space Agency. This software is intended to replace the WHEAT package which is used to calculate view factors, radiative exchange factors and solar, albedo and planet heat fluxes. In addition to providing all the capabilities of the VWHEAT package (a LOHARP derivative) ESARAD also provides full 3D-visualisation, a solid modelling capability, XY graph plotting, and is expected to be in the region of two orders of magnitude faster than WHEAT with far better accuracy. The selected method of calculation will also permit the evaluation of specular reflection and transmissive surfaces,
After a brief overview of the major aims of the development, the software is discussed from two main aspects, the user interface facilities (how the users defines the model to the system), and the calculation facilities (what can be calculated, and how are these calculations performed).
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Citation
Rebis, J., Koeck, C., and Jeanne, P., "ESARAD, Software for View Factor, Radiative Exchange Factor and Heat Flux Calculation," SAE Technical Paper 891560, 1989, https://doi.org/10.4271/891560.Also In
References
- Rebis J J White P S Study of Thermal Analysis Methods: Final Report GEC Engineering Research Centre December 1984 MEL12.0539
- VWHEAT User Manual
- Smith P Geometric Modelling Philosopy - ESARAD ESARAD-012 August 1988
- Koeck C Improved Ray-Tracing Technique for Radiative Heat Transfer Modelling 3rd European Symposium on Space Thermal Control and Life Support Systems 3-6 October 1988 ESTEC Noordwijk
- Koeck C Coffinier P ESARAD Algorithms Document July 1988
- Kubba B Winters C Rebis J J End User Manual - ESARAD ESARAD-024 February 1989