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Thermodynamic analysis of solar-assisted hybrid power generation systems integrated with thermochemical fuel conversion

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  • Yue, Ting
  • Lior, Noam

Abstract

Solar-assisted hybrid power generation systems integrated with thermochemical fuel conversion are of increasing interest because they offer efficient use of lower temperature solar heat, with the important associated advantages of lower emissions, reduction of use of depletable fuels, production of easily storable fuel to alleviate the variability of solar heat, and relatively low cost of the use of lower temperature solar components. This paper examines thermodynamic features and performance of thermochemical hybridization of power generation systems, and demonstrates it for two previously proposed and analyzed specific systems, SOLRGT that incorporates reforming of methane, and SOLRMCC that incorporates reforming of methanol, both of which using lower temperature solar heat (at ∼220 °C) to help reform the fuel input to syngas, which is then burned for power generation. This analysis resulted in an equation for the power system performance in terms of the energy level (exergy to enthalpy change ratio) of the syngas produced by the thermochemical process. It was found that the solar-to-electricity efficiency is higher by up to 42% in the investigated cases if lower temperature solar heat is used in the thermochemical hybrid systems, compared to using the solar-only power generation systems with the same turbine inlet temperature.

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  • Yue, Ting & Lior, Noam, 2017. "Thermodynamic analysis of solar-assisted hybrid power generation systems integrated with thermochemical fuel conversion," Energy, Elsevier, vol. 118(C), pages 671-683.
    • Handle: RePEc:eee:energy:v:118:y:2017:i:c:p:671-683
    DOI: 10.1016/j.energy.2016.10.093
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    References listed on IDEAS

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    1. Siva Reddy, V. & Kaushik, S.C. & Tyagi, S.K., 2012. "Exergetic analysis of solar concentrator aided natural gas fired combined cycle power plant," Renewable Energy, Elsevier, vol. 39(1), pages 114-125.
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    1. Bai, Zhang & Liu, Qibin & Lei, Jing & Jin, Hongguang, 2018. "Investigation on the mid-temperature solar thermochemical power generation system with methanol decomposition," Applied Energy, Elsevier, vol. 217(C), pages 56-65.
    2. Liu, Taixiu & Bai, Zhang & Zheng, Zhimei & Liu, Qibin & Lei, Jing & Sui, Jun & Jin, Hongguang, 2019. "100 kWe power generation pilot plant with a solar thermochemical process: design, modeling, construction, and testing," Applied Energy, Elsevier, vol. 251(C), pages 1-1.
    3. Yue, Ting & Lior, Noam, 2018. "Thermal hybrid power systems using multiple heat sources of different temperature: Thermodynamic analysis for Brayton cycles," Energy, Elsevier, vol. 165(PA), pages 639-665.
    4. Yue, Ting & Lior, Noam, 2018. "Thermodynamic analysis of hybrid Rankine cycles using multiple heat sources of different temperatures," Applied Energy, Elsevier, vol. 222(C), pages 564-583.
    5. Wang, Jiangjiang & Chen, Yuzhu & Lior, Noam & Li, Weihua, 2019. "Energy, exergy and environmental analysis of a hybrid combined cooling heating and power system integrated with compound parabolic concentrated-photovoltaic thermal solar collectors," Energy, Elsevier, vol. 185(C), pages 463-476.
    6. Jin Wu & Jiangjiang Wang & Jing Wu & Chaofan Ma, 2019. "Exergy and Exergoeconomic Analysis of a Combined Cooling, Heating, and Power System Based on Solar Thermal Biomass Gasification," Energies, MDPI, vol. 12(12), pages 1-19, June.
    7. Zhai, Chong & Wu, Wei, 2022. "Energetic, exergetic, economic, and environmental analysis of microchannel membrane-based absorption refrigeration system driven by various energy sources," Energy, Elsevier, vol. 239(PB).
    8. Ma, Sainan & Chiu, Chun Pang & Zhu, Yujiao & Tang, Chun Yin & Long, Hui & Qarony, Wayesh & Zhao, Xinhua & Zhang, Xuming & Lo, Wai Hung & Tsang, Yuen Hong, 2017. "Recycled waste black polyurethane sponges for solar vapor generation and distillation," Applied Energy, Elsevier, vol. 206(C), pages 63-69.
    9. Wang, Jiangjiang & Lu, Zherui & Li, Meng & Lior, Noam & Li, Weihua, 2019. "Energy, exergy, exergoeconomic and environmental (4E) analysis of a distributed generation solar-assisted CCHP (combined cooling, heating and power) gas turbine system," Energy, Elsevier, vol. 175(C), pages 1246-1258.

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