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SUPERCHARGING in the FREE-PISTON CYCLE
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English
Abstract
THE RESULTS of analytical studies backed by actual tests concerning the use of supercharging in the free-piston cycle are reviewed. They indicate that, under conditions of increased cycle pressure ratio and of adequate cooling of the air, supercharging has power possibilities far beyond those which might even optimistically be hoped for from naturally aspirated operation. Also, supercharging can be used to effect a significant reduction in part-load fuel consumption.
Also discussed are: The possibility that further developments beyond present pressure and lubrication borders can further raise the goal of maximum practical power gain through supercharging; series operation of supercharger and gasifier, and the mutually related problems of supercharger drive and of matching the characteristics of the plant components. The elimination of intake air pulses is a factor in adaptability of the free-piston powerplant to almost universal applications.
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Authors
Citation
Spier, H., "SUPERCHARGING in the FREE-PISTON CYCLE," SAE Technical Paper 590035, 1959, https://doi.org/10.4271/590035.Also In
References
- ASME Transactions Vol. 78 October 1956 1757 1764 “Supercharged and Intercooled Free-Piston and Turbine Combination — Cycle Analysis,” London A. L.
- “Some Design Aspects of Free-Piston Gas Generator Turbine Plant — Part I, ‘Thermodynamic and Component Characteristics,’ ” Soo S. L. Morain W. A. Paper presented at ASME Meeting November 1955