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Rotary Wankel engines as expansion devices in steam Rankine-cycle engines

Author

Listed:
  • Badr, O.
  • Naik, S.
  • O'Callaghan, P. W.
  • Probert, S. D.

Abstract

Rotary Wankel engines offer several advantages compared with turbines and other positive-displacement machines as the expansion devices in low-power-output Rankine-cycle engines. So a Wankel expander was selected as the most appropriate device for a steam Rankine engine, operating principally, as a mini combined heat-and-power unit with a mechanical power output of 5-20 kW. Predictions of the performances of some of the commercially-available designs of Wankel engines when operating as steam expanders are compared. Two of the machines considered are suitable for the application envisaged. However, the design parameters and operating conditions of these devices need to be optimised.

Suggested Citation

  • Badr, O. & Naik, S. & O'Callaghan, P. W. & Probert, S. D., 1991. "Rotary Wankel engines as expansion devices in steam Rankine-cycle engines," Applied Energy, Elsevier, vol. 39(1), pages 59-76.
    • Handle: RePEc:eee:appene:v:39:y:1991:i:1:p:59-76
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    Cited by:

    1. Francesconi, M. & Caposciutti, G. & Antonelli, M., 2018. "An experimental and numerical analysis of the performances of a Wankel steam expander," Energy, Elsevier, vol. 164(C), pages 615-626.
    2. Marcin Wołowicz & Piotr Kolasiński & Krzysztof Badyda, 2021. "Modern Small and Microcogeneration Systems—A Review," Energies, MDPI, vol. 14(3), pages 1-47, February.
    3. Francesconi, Marco & Antonelli, Marco, 2017. "A numerical model for the prediction of the fluid dynamic and mechanical losses of a Wankel-type expansion device," Applied Energy, Elsevier, vol. 205(C), pages 225-235.
    4. Wenzhi, Gao & Junmeng, Zhai & Guanghua, Li & Qiang, Bian & Liming, Feng, 2013. "Performance evaluation and experiment system for waste heat recovery of diesel engine," Energy, Elsevier, vol. 55(C), pages 226-235.
    5. Fuhaid Alshammari & Apostolos Karvountzis-Kontakiotis & Apostolos Pesyridis & Muhammad Usman, 2018. "Expander Technologies for Automotive Engine Organic Rankine Cycle Applications," Energies, MDPI, vol. 11(7), pages 1-36, July.
    6. Qin, Zhaoju & Jia, Minghui & Yang, Huadong, 2020. "Study on vortex characteristics and velocity distribution in small rotary engine," Energy, Elsevier, vol. 206(C).
    7. Yang, Jinxin & Ji, Changwei & Wang, Shuofeng & Wang, Du & Ma, Zedong & Zhang, Boya, 2018. "Numerical investigation on the mixture formation and combustion processes of a gasoline rotary engine with direct injected hydrogen enrichment," Applied Energy, Elsevier, vol. 224(C), pages 34-41.
    8. Badami, M. & Mura, M., 2009. "Preliminary design and controlling strategies of a small-scale wood waste Rankine Cycle (RC) with a reciprocating steam engine (SE)," Energy, Elsevier, vol. 34(9), pages 1315-1324.
    9. Yulia Glavatskaya & Pierre Podevin & Vincent Lemort & Osoko Shonda & Georges Descombes, 2012. "Reciprocating Expander for an Exhaust Heat Recovery Rankine Cycle for a Passenger Car Application," Energies, MDPI, vol. 5(6), pages 1-15, June.
    10. Antonelli, Marco & Martorano, Luigi, 2012. "A study on the rotary steam engine for distributed generation in small size power plants," Applied Energy, Elsevier, vol. 97(C), pages 642-647.
    11. Antonelli, M. & Baccioli, A. & Francesconi, M. & Desideri, U. & Martorano, L., 2014. "Operating maps of a rotary engine used as an expander for micro-generation with various working fluids," Applied Energy, Elsevier, vol. 113(C), pages 742-750.
    12. Antonelli, M. & Baccioli, A. & Francesconi, M. & Desideri, U. & Martorano, L., 2015. "Electrical production of a small size Concentrated Solar Power plant with compound parabolic collectors," Renewable Energy, Elsevier, vol. 83(C), pages 1110-1118.

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