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A Comparative Study of Open and Closed Heat-Engines for Small-Scale CHP Applications

Author

Listed:
  • Ian W. Eames

    (Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK)

  • Kieran Evans

    (Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    These authors contributed equally to this work.)

  • Stephen Pickering

    (Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    These authors contributed equally to this work.)

Abstract

In this paper the authors compare and contrast open and closed-cycle heat engines. First of all, by way of example and to aid discussion, the performance of proprietary externally heated closed-cycle Stirling engines is compared with that of internally heated open Otto cycle engines. Both types of engine have disadvantages and merits and this suggested that in order to accommodate the best of both engine types an externally-heated open-cycle engine might offer a more satisfactory solution for small-scale combined heat and power (CHP) systems. To investigate this possibility further the paper goes on to compare the performance of externally-heated and recuperated Joule hot-air cycle engines with that of an externally-heated closed Stirling cycle engines. The results show that an externally heated recuperated open Joule cycle engine can exceed that of a closed cycle Stirling engine operating between the same heat source and sink temperatures when a variable temperature heat source is used.

Suggested Citation

  • Ian W. Eames & Kieran Evans & Stephen Pickering, 2016. "A Comparative Study of Open and Closed Heat-Engines for Small-Scale CHP Applications," Energies, MDPI, vol. 9(3), pages 1-12, February.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:3:p:130-:d:64413
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    References listed on IDEAS

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    1. Moss, R. W. & Roskilly, A. P. & Nanda, S. K., 2005. "Reciprocating Joule-cycle engine for domestic CHP systems," Applied Energy, Elsevier, vol. 80(2), pages 169-185, February.
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    Cited by:

    1. Rui F. Costa & Brendan D. MacDonald, 2018. "Comparison of the Net Work Output between Stirling and Ericsson Cycles," Energies, MDPI, vol. 11(3), pages 1-16, March.
    2. Sharafi laleh, Shayan & Fatemi Alavi, Seyed Hamed & Soltani, Saeed & Mahmoudi, S.M.S. & Rosen, Marc A., 2024. "A novel supercritical carbon dioxide combined cycle fueled by biomass: Thermodynamic assessment," Renewable Energy, Elsevier, vol. 222(C).
    3. Akhtar Hussain & Van-Hai Bui & Hak-Man Kim & Yong-Hoon Im & Jae-Yong Lee, 2017. "Optimal Energy Management of Combined Cooling, Heat and Power in Different Demand Type Buildings Considering Seasonal Demand Variations," Energies, MDPI, vol. 10(6), pages 1-21, June.

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