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Advanced Organic Rankine Cycle for geothermal application

Author

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  • Markus Preiszinger
  • Florian Heberle
  • Dieter Brüggemann

Abstract

Exploitation of geothermal sources based on advanced Organic Rankine Cycle (ORC) is studied with respect to energetic, plant-specific and economic aspects. Three natural and five synthetic refrigerants are investigated as pure fluids within a sub- and transcritical ORC. Furthermore, a zeotropic mixture of R227ea/R245fa is analysed under subcritical conditions. It is shown that transcritical ORC is a promising way to optimize geothermal power plants. The gross power can be increased by >15% compared with standard subcritical processes. Economic analysis indicates that transcritical ORC as well as zeotropic mixtures lead to significantly lower payback periods and, even when taking into account higher specific investment costs and higher mean cash flow. Copyright , Oxford University Press.

Suggested Citation

  • Markus Preiszinger & Florian Heberle & Dieter Brüggemann, 2013. "Advanced Organic Rankine Cycle for geothermal application," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 8(suppl_1), pages 62-68, March.
    • Handle: RePEc:oup:ijlctc:v:8:y:2013:i:suppl_1:p:i62-i68
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctt021
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    Cited by:

    1. Mohammadzadeh Bina, Saeid & Jalilinasrabady, Saeid & Fujii, Hikari, 2017. "Energy, economic and environmental (3E) aspects of internal heat exchanger for ORC geothermal power plants," Energy, Elsevier, vol. 140(P1), pages 1096-1106.
    2. Kharseh, Mohamad & Al-Khawaja, Mohammed & Hassani, Ferri, 2015. "Utilization of oil wells for electricity generation: Performance and economics," Energy, Elsevier, vol. 90(P1), pages 910-916.
    3. Patrick Linke & Athanasios I. Papadopoulos & Panos Seferlis, 2015. "Systematic Methods for Working Fluid Selection and the Design, Integration and Control of Organic Rankine Cycles—A Review," Energies, MDPI, vol. 8(6), pages 1-47, May.
    4. Habka, Muhsen & Ajib, Salman, 2015. "Evaluation of mixtures performances in Organic Rankine Cycle when utilizing the geothermal water with and without cogeneration," Applied Energy, Elsevier, vol. 154(C), pages 567-576.
    5. Preißinger, Markus & Schwöbel, Johannes A.H. & Klamt, Andreas & Brüggemann, Dieter, 2017. "Multi-criteria evaluation of several million working fluids for waste heat recovery by means of Organic Rankine Cycle in passenger cars and heavy-duty trucks," Applied Energy, Elsevier, vol. 206(C), pages 887-899.
    6. Braimakis, Konstantinos & Preißinger, Markus & Brüggemann, Dieter & Karellas, Sotirios & Panopoulos, Kyriakos, 2015. "Low grade waste heat recovery with subcritical and supercritical Organic Rankine Cycle based on natural refrigerants and their binary mixtures," Energy, Elsevier, vol. 88(C), pages 80-92.

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