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Micro-scale ORC-based combined heat and power system using a novel scroll expander

Author

Listed:
  • Muhyiddine Jradi
  • Jinxing Li
  • Hao Liu
  • Saffa Riffat

Abstract

Micro-combined heat and power generation (micro-CHP) based on the organic Rankine cycle (ORC) is a flexible technology that allows saving the environment and promoting the economic growth. However, ORC expanders employed recently suffer from key problems including excessive fluid leakage, thermal losses and low isentropic efficiency, and no commercial micro-scale expanders are available in the market and applicable for ORC applications. The possibility of driving a micro-CHP system by solar thermal energy, biomass combustion, waste heat or other clean energy sources allows attaining diversity and security in energy supply as well as decreasing pollutants and gas emissions. In the current work, a solar-biomass-driven micro-CHP system based on the ORC technology is theoretically and experimentally investigated to provide the thermal and electrical needs for residential applications. The micro-CHP system employs an innovative micro-expander utilizing an environmentally friendly working fluid. A numerical model was developed using the Engineering Equation Solver (EES) software to simulate the thermal and electrical performance of the overall CHP system. A parametric study was conducted to investigate the effect of different operational parameters on the CHP system performance. In addition, an experimental set-up was built to test micro-scale ORC-CHP system performance under different conditions using hydrofluoroether (HFE)-7100 fluid. The maximum electric power generated by the expander was in the range of 500 W under a pressure differential of ∼4.5 bars. The expander isentropic efficiency has exceeded 80% at its peak operating conditions with no working fluid leakage.

Suggested Citation

  • Muhyiddine Jradi & Jinxing Li & Hao Liu & Saffa Riffat, 2014. "Micro-scale ORC-based combined heat and power system using a novel scroll expander," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 9(2), pages 91-99.
    • Handle: RePEc:oup:ijlctc:v:9:y:2014:i:2:p:91-99.
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    Citations

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    Cited by:

    1. Piotr Kolasiński, 2020. "Domestic Organic Rankine Cycle-Based Cogeneration Systems as a Way to Reduce Dust Emissions in Municipal Heating," Energies, MDPI, vol. 13(15), pages 1-22, August.
    2. Zhang, Hong-Hu & Zhang, Yi-Fan & Feng, Yong-Qiang & Chang, Jen-Chieh & Chang, Chao-Wei & Xi, Huan & Gong, Liang & Hung, Tzu-Chen & Li, Ming-Jia, 2023. "The parametric analysis on the system behaviors with scroll expanders employed in the ORC system: An experimental comparison," Energy, Elsevier, vol. 268(C).
    3. 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.
    4. Song, Panpan & Wei, Mingshan & Liu, Zhen & Zhao, Ben, 2015. "Effects of suction port arrangements on a scroll expander for a small scale ORC system based on CFD approach," Applied Energy, Elsevier, vol. 150(C), pages 274-285.
    5. Murugan, S. & Horák, Bohumil, 2016. "A review of micro combined heat and power systems for residential applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 64(C), pages 144-162.
    6. Piotr Kolasiński, 2020. "The Method of the Working Fluid Selection for Organic Rankine Cycle (ORC) Systems Employing Volumetric Expanders," Energies, MDPI, vol. 13(3), pages 1-28, January.
    7. Landelle, Arnaud & Tauveron, Nicolas & Haberschill, Philippe & Revellin, Rémi & Colasson, Stéphane, 2017. "Organic Rankine cycle design and performance comparison based on experimental database," Applied Energy, Elsevier, vol. 204(C), pages 1172-1187.
    8. Modi, Anish & Bühler, Fabian & Andreasen, Jesper Graa & Haglind, Fredrik, 2017. "A review of solar energy based heat and power generation systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1047-1064.
    9. Kaczmarczyk, Tomasz Z. & Żywica, Grzegorz & Ihnatowicz, Eugeniusz, 2017. "The impact of changes in the geometry of a radial microturbine stage on the efficiency of the micro CHP plant based on ORC," Energy, Elsevier, vol. 137(C), pages 530-543.
    10. Song, Panpan & Wei, Mingshan & Zhang, Yangjun & Sun, Liwei & Emhardt, Simon & Zhuge, Weilin, 2018. "The impact of a bilateral symmetric discharge structure on the performance of a scroll expander for ORC power generation system," Energy, Elsevier, vol. 158(C), pages 458-470.
    11. Di Cairano, L. & Bou Nader, W. & Nemer, M., 2021. "A simulation and experimental study of an innovative MAC/ORC/ERC system: ReverCycle with an ejector for series hybrid vehicles," Energy, Elsevier, vol. 230(C).
    12. Galloni, E. & Fontana, G. & Staccone, S., 2015. "Design and experimental analysis of a mini ORC (organic Rankine cycle) power plant based on R245fa working fluid," Energy, Elsevier, vol. 90(P1), pages 768-775.
    13. Zafer Utlu & Mert Tolon & Arif Karabuga, 2021. "Modelling of energy and exergy analysis of ORC integrated systems in terms of sustainability by applying artificial neural network [Thermodynamic performance evaluation of a novel solar energy base," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 16(1), pages 156-164.
    14. Michalina Kurkus-Gruszecka & Piotr Krawczyk, 2019. "Comparison of Two Single Stage Low-Pressure Rotary Lobe Expander Geometries in Terms of Operation," Energies, MDPI, vol. 12(23), pages 1-13, November.

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