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Multi-vane expanders: Geometry and vane kinematics

Author

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

Abstract

A multi-vane expander (MVE) offers considerable promise as a prime mover for organic Rankine-cycle engines utilising solar energy or waste heat to provide the power input.1 Therefore, mathematical models describing an expander's behaviour have been constructed; these models are applicable to a wide range of MVEs. For two existing designs, the geometrical characteristics and the vane kinematics have been evaluated using the computer sub-routines composed. The results indicate that the neglect of the vanes' thickness when evaluating the geometrical characteristics of the expanders can lead to considerable errors in their predicted volume expansion ratios, especially when numerous vanes and small inlet angles are employed. The expected effects of the geometrical parameters of the expanders on their performances are discussed.

Suggested Citation

  • Badr, O. & O'Callaghan, P.W. & Probert, S.D., 1985. "Multi-vane expanders: Geometry and vane kinematics," Applied Energy, Elsevier, vol. 19(3), pages 159-182.
    • Handle: RePEc:eee:appene:v:19:y:1985:i:3:p:159-182
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    Citations

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    Cited by:

    1. Piotr Kolasiński, 2019. "Application of the Multi-Vane Expanders in ORC Systems—A Review on the Experimental and Modeling Research Activities," Energies, MDPI, vol. 12(15), pages 1-26, August.
    2. Dawo, Fabian & Eyerer, Sebastian & Pili, Roberto & Wieland, Christoph & Spliethoff, Hartmut, 2021. "Experimental investigation, model validation and application of twin-screw expanders with different built-in volume ratios," Applied Energy, Elsevier, vol. 282(PA).
    3. Declaye, Sébastien & Quoilin, Sylvain & Guillaume, Ludovic & Lemort, Vincent, 2013. "Experimental study on an open-drive scroll expander integrated into an ORC (Organic Rankine Cycle) system with R245fa as working fluid," Energy, Elsevier, vol. 55(C), pages 173-183.
    4. Pantano, Fabio & Capata, Roberto, 2017. "Expander selection for an on board ORC energy recovery system," Energy, Elsevier, vol. 141(C), pages 1084-1096.
    5. Mascuch, Jakub & Novotny, Vaclav & Vodicka, Vaclav & Spale, Jan & Zeleny, Zbynek, 2020. "Experimental development of a kilowatt-scale biomass fired micro – CHP unit based on ORC with rotary vane expander," Renewable Energy, Elsevier, vol. 147(P3), pages 2882-2895.
    6. Bianchi, Giuseppe & Cipollone, Roberto, 2015. "Theoretical modeling and experimental investigations for the improvement of the mechanical efficiency in sliding vane rotary compressors," Applied Energy, Elsevier, vol. 142(C), pages 95-107.
    7. Lorenzo Tocci & Tamas Pal & Ioannis Pesmazoglou & Benjamin Franchetti, 2017. "Small Scale Organic Rankine Cycle (ORC): A Techno-Economic Review," Energies, MDPI, vol. 10(4), pages 1-26, March.
    8. Vodicka, Vaclav & Novotny, Vaclav & Zeleny, Zbynek & Mascuch, Jakub & Kolovratnik, Michal, 2019. "Theoretical and experimental investigations on the radial and axial leakages within a rotary vane expander," Energy, Elsevier, vol. 189(C).
    9. Imran, Muhammad & Usman, Muhammad & Park, Byung-Sik & Lee, Dong-Hyun, 2016. "Volumetric expanders for low grade heat and waste heat recovery applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 1090-1109.
    10. Przemysław Błasiak & Piotr Kolasiński & Sindu Daniarta, 2023. "Numerical Analysis of Heat Transfer within a Rotary Multi-Vane Expander," Energies, MDPI, vol. 16(6), pages 1-32, March.

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