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The isoengine: realisation of a high-efficiency power cycle based on isothermal compression

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  • Claus Linnemann
  • Mike W. Coney

Abstract

A novel high-efficiency internal combustion engine for power generation and direct-drive applications is being developed. Distillate-fuelled power plants in units of 7 MW electrical output are predicted to reach a net electrical efficiency of 60%. An efficiency of 58% is targeted for the gas-fired version. This compares with a net electrical efficiency of about 45% for advanced reciprocating engines of similar output but conventional design, and represents a step change in the efficiency of distributed power plant. Besides distillate oil and natural gas, the engine will be able to use suitable biofuels for efficient power generation. A 3 MW prototype engine using the full-scale engine geometry has been built to confirm the performance of the isoengine cycle. A partnership agreement has been signed by RWE Innogy and Mitsui Engineering and Shipbuilding for the future testing and development of the engine.

Suggested Citation

  • Claus Linnemann & Mike W. Coney, 2005. "The isoengine: realisation of a high-efficiency power cycle based on isothermal compression," International Journal of Energy Technology and Policy, Inderscience Enterprises Ltd, vol. 3(1/2), pages 66-84.
    • Handle: RePEc:ids:ijetpo:v:3:y:2005:i:1/2:p:66-84
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    Cited by:

    1. Kim, Y.M. & Favrat, D., 2010. "Energy and exergy analysis of a micro-compressed air energy storage and air cycle heating and cooling system," Energy, Elsevier, vol. 35(1), pages 213-220.

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