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Evaluation and Control of an Integrated Closed Environmental Control System (ICECS)
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English
Abstract
The Integrated Closed Environmental Control System (ICECS) Program included design, analysis, fabrication and testing of an advanced environmental control system concept for military aircraft. Fuel was utilized as the primary heat sink of a vapor-cycle system with ram air augmentation. Through the use of closed-loop avionics cooling and maximum use of fuel as a heat sink, reductions in bleed air use reduced environmental control system (ECS)-related fuel penalties and, as a result, reduced life-cycle costs (LCC). Additionally, by providing a drier, more stable environment for avionics, significant reliability gains have been demonstrated when compared to the baseline open-loop ECS. The overall emphasis was to verify through test the benefits of an ICECS using primarily off-the-shelf hardware.
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Citation
Edgar, J. and Campbell, B., "Evaluation and Control of an Integrated Closed Environmental Control System (ICECS)," SAE Technical Paper 901237, 1990, https://doi.org/10.4271/901237.Also In
References
- Advanced Continuous Simulation Language Reference Manual Mitchell and Gauthier Associates 1987
- Boeing Military Airplane Company Closed-Loop Environmental Control System (CECS) Study 1 AFWAL-TR-80-3149 January 1981
- Department of the Air Force, Air Force Systems Command, Aeronautical Systems Division/PMRNB February 11 1985
- Society of Automotive Engineers SAE Aerospace Applied Thermodynamics Manual October 1969