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A novel hybrid heat-pipe solar collector/CHP system—Part II: theoretical and experimental investigations

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  • Riffat, S.B.
  • Zhao, X.

Abstract

A theoretical analysis has been carried out to investigate the thermodynamic and heat transfer characteristics of a hybrid heat pipe solar collector/CHP system based on the assumption that the system operates on a typical Rankine cycle. Experimental testing of the prototype was also carried out using two types of turbine units. The variation of refrigerant pressures and temperatures, hot water temperatures in the collector and boiler systems, as well as chill water temperatures were recorded. The results were used to estimate the heat from the boiler and the solar collectors, the electricity and hot water generation (indicated as kW energy) from the CHP operation and the gas consumption of the system. The modelling and experimental results were compared for the impulse-reaction turbine system, and a simple analysis of the energy and environmental benefits of the system was carried out. The analysis indicated that the proposed system would save primary energy of approximately 3150 kWh per annum compared to the conventional electricity and heating supply systems, and this would result in reduction in CO2 emission of up to 600 tonnes per annum. The running cost of the proposed system would also be lower than conventional heating/power systems.

Suggested Citation

  • Riffat, S.B. & Zhao, X., 2004. "A novel hybrid heat-pipe solar collector/CHP system—Part II: theoretical and experimental investigations," Renewable Energy, Elsevier, vol. 29(12), pages 1965-1990.
    • Handle: RePEc:eee:renene:v:29:y:2004:i:12:p:1965-1990
    DOI: 10.1016/j.renene.2004.03.018
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    Cited by:

    1. Cho, Soo-Yong & Cho, Chong-Hyun & Ahn, Kook-Young & Lee, Young Duk, 2014. "A study of the optimal operating conditions in the organic Rankine cycle using a turbo-expander for fluctuations of the available thermal energy," Energy, Elsevier, vol. 64(C), pages 900-911.
    2. Tchanche, B.F. & Lambrinos, Gr. & Frangoudakis, A. & Papadakis, G., 2010. "Exergy analysis of micro-organic Rankine power cycles for a small scale solar driven reverse osmosis desalination system," Applied Energy, Elsevier, vol. 87(4), pages 1295-1306, April.
    3. Pei, Gang & Li, Jing & Li, Yunzhu & Wang, Dongyue & Ji, Jie, 2011. "Construction and dynamic test of a small-scale organic rankine cycle," Energy, Elsevier, vol. 36(5), pages 3215-3223.
    4. Cho, Soo-Yong & Cho, Chong-Hyun & Choi, Sang-Kyu, 2015. "Experiment and cycle analysis on a partially admitted axial-type turbine used in the organic Rankine cycle," Energy, Elsevier, vol. 90(P1), pages 643-651.
    5. Al-Sulaiman, Fahad A. & Dincer, Ibrahim & Hamdullahpur, Feridun, 2012. "Energy and exergy analyses of a biomass trigeneration system using an organic Rankine cycle," Energy, Elsevier, vol. 45(1), pages 975-985.
    6. Philipp Streit & Andreas P. Weiß & Dominik Stümpfl & Jan Špale & Lasse B. Anderson & Václav Novotný & Michal Kolovratník, 2024. "Concept and Design of a Velocity Compounded Radial Four-Fold Re-Entry Turbine for Organic Rankine Cycle (ORC) Applications," Energies, MDPI, vol. 17(5), pages 1-21, March.
    7. Tchanche, Bertrand F. & Lambrinos, Gr. & Frangoudakis, A. & Papadakis, G., 2011. "Low-grade heat conversion into power using organic Rankine cycles – A review of various applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(8), pages 3963-3979.
    8. Li, Maoqing & Wang, Jiangfeng & He, Weifeng & Gao, Lin & Wang, Bo & Ma, Shaolin & Dai, Yiping, 2013. "Construction and preliminary test of a low-temperature regenerative Organic Rankine Cycle (ORC) using R123," Renewable Energy, Elsevier, vol. 57(C), pages 216-222.
    9. Li, Jianwei & Wang, Xudong & Zhang, Zhenyu & Le Blond, Simon & Yang, Qingqing & Zhang, Min & Yuan, Weijia, 2017. "Analysis of a new design of the hybrid energy storage system used in the residential m-CHP systems," Applied Energy, Elsevier, vol. 187(C), pages 169-179.
    10. Zhai, H. & Dai, Y.J. & Wu, J.Y. & Wang, R.Z., 2009. "Energy and exergy analyses on a novel hybrid solar heating, cooling and power generation system for remote areas," Applied Energy, Elsevier, vol. 86(9), pages 1395-1404, September.
    11. Al-Sulaiman, Fahad A. & Hamdullahpur, Feridun & Dincer, Ibrahim, 2012. "Performance assessment of a novel system using parabolic trough solar collectors for combined cooling, heating, and power production," Renewable Energy, Elsevier, vol. 48(C), pages 161-172.
    12. Cho, Soo-Yong & Cho, Chong-Hyun, 2015. "An experimental study on the organic Rankine cycle to determine as to how efficiently utilize fluctuating thermal energy," Renewable Energy, Elsevier, vol. 80(C), pages 73-79.
    13. Xiaoqiang Hong & Feng Shi, 2020. "Comparative Analysis of Small-Scale Integrated Solar ORC-Absorption Based Cogeneration Systems," Energies, MDPI, vol. 13(4), pages 1-15, February.
    14. Li, Jing & Pei, Gang & Li, Yunzhu & Wang, Dongyue & Ji, Jie, 2012. "Energetic and exergetic investigation of an organic Rankine cycle at different heat source temperatures," Energy, Elsevier, vol. 38(1), pages 85-95.
    15. Wu, Haifeng & Liu, Qibin & Xie, Gengxin & Guo, Shaopeng & Zheng, Jie & Su, Bosheng, 2020. "Performance investigation of a novel hybrid combined cooling, heating and power system with solar thermochemistry in different climate zones," Energy, Elsevier, vol. 190(C).
    16. Jouhara, Hussam & Ezzuddin, Hatem, 2013. "Thermal performance characteristics of a wraparound loop heat pipe (WLHP) charged with R134A," Energy, Elsevier, vol. 61(C), pages 128-138.

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