Energy, exergy, economic performance investigation and multi-objective optimization of reversible heat pump-organic Rankine cycle integrating with thermal energy storage

Yu, Xiaonan; Li, Zhi; Zhang, Zhiping; Wang, Lei; Qian, Gao; Huang, Rui; Yu, Xiaoli

doi:10.1016/j.csite.2022.102321

Case Studies in Thermal Engineering

2022

DOI: 10.1016/j.csite.2022.102321

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Energy, exergy, economic performance investigation and multi-objective optimization of reversible heat pump-organic Rankine cycle integrating with thermal energy storage

Xiaonan Yu

Zhi Li

Zhiping Zhang

et al.

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2024

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Cited by 18 publications

References 24 publications

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Economic Analyses of a New Power and Cooling System at Low Temperature Applications

Omprakash,

Shankar Ganesh

2024

Energy Tech

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Recent research suggests that the implementation of more efficient combined cooling and power systems, which enable the cogeneration of electricity and cooling, can enhance the efficiency of hybrid plants. The present investigation is motivated by finding that, in the literature review on combined power and cooling systems, there is very limited information on the coupling of the organic Rankine cycle (ORC) and the ejector refrigeration cycle (ERC) with low sink temperatures. A suggested approach to do this involves using hot exhaust gas and waste heat engines to power an ORC hybrid system. To enhance the ORC–ERC system's performance, three heater configurations use waste heat from the ORC turbine exhaust, ejector, and engine waste heat to heat the working fluid. Renewable energy sources are the primary focus of most current research initiatives. The present research focuses on unique ORC and ERC systems, considered as combined power and cooling systems, with the goal of improving exergy performance at low temperatures. The suggested ORC–ERC can generate energy destruction of 69.85 kW at a source temperature of 155 °C, with an exergetic efficiency of 76.9% at the turbine. Setting the entrainment ratio at 0.5 results in a total sum unit cost of products (SUCP) of 465 $/kW‐h for the ORC–ERC. Furthermore, the 37.83% exergy destruction ratio introduces heat exchanger 2 (HE2) as the primary cause of the suggested ORC–ERC's irreversibility. A detailed parametric study reveals that altering the hot source temperature and entrainment ratio improves the system's SUCP. The current examination at high sink temperatures may be expanded to an advanced exergoenvironmental investigation.

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Economic Analyses of a New Power and Cooling System at Low Temperature Applications

Omprakash,

Shankar Ganesh

2024

Energy Tech

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Exergy analysis and exergetic costs allocation in a novel CCHP system based on organic Rankine and simultaneous heating and cooling heat pump cycles

Lourenço

2024

J Braz. Soc. Mech. Sci. Eng.

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Working fluid pair selection of thermally integrated pumped thermal electricity storage system for waste heat recovery and energy storage

Wu,

Ma,

Zhang

et al. 2024

Applied Energy

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Energy, exergy, economic performance investigation and multi-objective optimization of reversible heat pump-organic Rankine cycle integrating with thermal energy storage

Cited by 18 publications

References 24 publications

Economic Analyses of a New Power and Cooling System at Low Temperature Applications

Economic Analyses of a New Power and Cooling System at Low Temperature Applications

Exergy analysis and exergetic costs allocation in a novel CCHP system based on organic Rankine and simultaneous heating and cooling heat pump cycles

Working fluid pair selection of thermally integrated pumped thermal electricity storage system for waste heat recovery and energy storage

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