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A Rankine Cycle Engine with Rotary Heat Exchangers
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English
Abstract
A Rankine cycle engine is described that comprises close-coupled annular components (boiler, nozzle ring, and air condenser) corotating counter to an interior turbine wheel on a common axis. A stationary annular combustor surrounds the rotating boiler. Test runs up to 18 hp demonstrated several advantages for this kind of Rankine engine, which utilizes centrifugal force to achieve: boiler compactness, air condenser compactness (viscous drag air pumping), automatic condensate return (no separate pump), control simplicity, and few moving parts. The organic working fluid used does not support combustion and has low physiological reactivity in preliminary tests. The results appear significant for uses requiring low-polluting, quiet engines.
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Authors
- William A. Doerner - E. I. du Pont de Nemours and Co.
- Roy J. Dietz - E. I. du Pont de Nemours and Co.
- Oral R. VanBuskirk - E. I. du Pont de Nemours and Co.
- Stanley B. Levy - E. I. du Pont de Nemours and Co.
- Philip J. Rennolds - E. I. du Pont de Nemours and Co.
- Max F. Bechtold - E. I. du Pont de Nemours and Co.
Citation
Doerner, W., Dietz, R., VanBuskirk, O., Levy, S. et al., "A Rankine Cycle Engine with Rotary Heat Exchangers," SAE Technical Paper 720053, 1972, https://doi.org/10.4271/720053.Also In
References
- Morgan Dean T. Raymond R. J. “Conceptual Design, Rankine-Cycle Power System with Organic Working Fluid and Reciprocating Engine for Passenger Vehicles.” U.S. Dept. of Commerce June 1970
- Doerner W. A. “Rotary Heat Engine.” Oct. 19 1971
- Hoffman Heinz “Mercedes-Benz OM 400 Series Engines.” Paper 710558 SAE Mid-Year Meeting Montreal June 1971
- Kays London “Compact Heat Exchangers.” 2nd New York McGraw-Hill 1964
- Vickers P. T. Amann C. A. et al. “The Design Features of the GE SE-101-A Vapor-Cycle Powerplant.” SAE Transactions 79 1970 paper 700163
- Doerner W. A. “Rotary Vaporizer.” July 6 1971
- Gray V. H. Marto P. J. “Boiling Heat-Transfer Coefficients, Interface Behavior, and Vapor Quality in Rotating Boiler Operating to 475G's.” NASA Technical Note D-4136 March 1968