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Engineering Aspects of a Novel High Efficiency Reciprocating Internal Combustion Engine

[+] Author Affiliations
Mike W. Coney, Andrew M. Cross, Claus Linnemann

Innogy plc, Swindon, UK

Robert E. Morgan

Ricardo Consulting Engineers, Shoreham-by-Sea, UK

Bruce Wilson

Mitsui-Babcock Technology, Renfrew, UK

Paper No. IJPGC2002-26047, pp. 935-943; 9 pages
  • 2002 International Joint Power Generation Conference
  • 2002 International Joint Power Generation Conference
  • Scottsdale, Arizona, USA, June 24–26, 2002
  • Conference Sponsors: Power Division
  • ISBN: 0-7918-3617-7 | eISBN: 0-7918-3601-0
  • Copyright © 2002 by ASME


A new type of high efficiency reciprocating internal combustion engine, which is predicted to achieve an electrical efficiency of up to 60% on diesel fuel or 58% on natural gas, is described with particular focus on the engineering of its novel components. The so-called isoengine, which is being developed by Innogy plc, involves quasi-isothermal compression of combustion air. In commercial applications it is envisaged that the engine will run at 600 rpm and produce 7 MW of electric power. The engine will also be capable of producing up to 3 MW of heat in the form of hot water, with the electrical efficiency reduced by two percentage points. The engine is intended for distributed and on-site power generation with the option of switchable co-generation of hot water for industrial use or for space heating. A 3 MWe engineering demonstrator is currently under construction.

Copyright © 2002 by ASME



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