A thermodynamic analysis of a novel high efficiency reciprocating internal combustion engine—the isoengine

M.W. Coney, C. Linnemann and H.S. Abdallah

Energy, 2004, vol. 29, issue 12, 2585-2600

Abstract: A novel concept for a high efficiency reciprocating internal combustion engine (the isoengine) is described and its cycle is analysed. The highly turbocharged engine configuration, which is intended primarily for on-site and distributed power generation, has a predicted electrical output of 7.3 MW. It has the option for co-generation of up to 3.2 MW of hot water at 95 °C supply temperature. The maximum net electrical plant efficiency is predicted to be about 60% on diesel fuel and 58% on natural gas. The key to the high electrical efficiency is the quasi-isothermal compression of the combustion air in cylinders, which are separate from the power cylinders. This achieves a significant saving in compression work and allows the recovery of waste heat back into the cycle, mainly from the exhaust gas by means of a recuperator. The construction of a first 3 MWe prototype isoengine has been completed and its testing has begun. Relevant test results are expected in the near future.

Date: 2004
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:29:y:2004:i:12:p:2585-2600

DOI: 10.1016/j.energy.2004.05.014

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