Results 11 to 20 of about 1,279 (210)
Exergy Analysis of Two-Stage Organic Rankine Cycle Power Generation System
Entropy, 2020 Organic Rankine cycle (ORC) power generation is an effective way to convert medium and low temperature heat into high-grade electricity. In this paper, the subcritical saturated organic Rankine cycle system with a heat source temperature of 100~150 °C is
Guanglin Liu +3 more
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Entropy, 2022 A multi-objective optimization based on the non-dominated sorting genetic algorithm (NSGA-II) is carried out in the present work for the basic organic Rankine cycle (BORC) and regenerative ORC (RORC) systems. The selection of working fluids is integrated
Yuhao Zhou +3 more
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Dynamic Modeling and Comparison Study of Control Strategies of a Small-Scale Organic Rankine Cycle
Energies, 2022 The control strategy is crucial for the effective and safe operation of the ORC system. A transient model of the ORC system was developed in the present work and validated by the experimental data of a 4 kW ORC prototype.
Yuhao Zhou +3 more
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Synergetics: The cooperative phenomenon in multi-compressions S-CO2 power cycles
Energy Conversion and Management: X, 2020 Mature power plant uses regenerative steam Rankine cycle to achieve excellent performance, but there is a lack of general approach for gas Brayton cycle. Here, synergetics is introduced to construct multi-compressions S-CO2 cycle for the first time.
Enhui Sun +5 more
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Advanced adsorption-based osmotic heat engines with heat recovery for low grade heat recovery
Energy Reports, 2021 Efficiently utilizing the low-grade heat contributes to improving energy consumption structure and energy utilization efficiency, as well as preventing environmental deterioration.
Yanan Zhao +4 more
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A comparison of two low grade heat recovery options [PDF]
Applied Thermal Engineering, 2013 Low grade heat (LGH) recovery is one way of increasing industrial energy efficiency and reducing associated greenhouse gas emissions. The organic Rankine cycle (ORC) and condensing boiler are two options that can be used to recover low grade heat (
Walsh, Conor, Thornley, Patricia
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How to Construct a Combined S-CO2 Cycle for Coal Fired Power Plant?
Entropy, 2018 It is difficult to recover the residual heat from flue gas when supercritical carbon dioxide (S-CO2) cycle is used for a coal fired power plant, due to the higher CO2 temperature in tail flue and the limited air temperature in air preheater. The combined
Enhui Sun +4 more
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Study on a Heat-Driven Thermoacoustic Refrigerator for Low-Grade Heat Recovery [PDF]
Applied Energy, 2020 Recovering low-grade heat from renewable energy sources and waste heat is crucial for improving energy utilizing efficiency as well as reducing CO2 emissions. Conventional thermoacoustically-driven refrigerators have a high onset temperature and low cooling efficiency, which significant limit their capacity for low-grade heat utilization.
Jingyuan Xu, Jingyuan Hochgreb
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Energies, 2022 Isobaric expansion (IE) technology is a promising solution for mini- and medium-scale low-grade heat utilization. IE engines directly convert heat to mechanical energy and are particularly interesting as direct-acting, vapor-driven pumps and compressors.
Alexander Kronberg +3 more
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Energies, 2021 This paper describes an ejector model for the prediction of on-design performance under available conditions. This is a direct method of calculating the optimal ejector performance (entrainment ratio or ER) without the need for iterative methods, which ...
Fahid Riaz +6 more
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