Organic rankine cycle with positive displacement expander and variable working fluid composition [PDF]
, 2016 Organic Rankine Cycles are often used in the exploitation of low-temperature heat sources. The relatively small temperature differential available to these projects makes them particularly vulnerable to changing ambient conditions, especially if an air ...
Collings, Peter, Yu, Zhibin
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Reversible Heat Pump–Organic Rankine Cycle Systems for the Storage of Renewable Electricity
Energies, 2018 Storage of electricity from fluctuating renewable energy sources has become one of the predominant challenges in future energy systems. A novel system comprises the combination of a heat pump and an Organic Rankine Cycle (ORC) with a simple hot water ...
Sebastian Staub +13 more
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Potentials of the new design concepts of district heating and cooling toward integration with renewable energy sources [PDF]
, 2013 This paper discusses the opportunities of the new design concepts of district heating and cooling towards the integration of renewable energy sources. A comparison between the medium-temperature district heating and the last generation of low-temperature
Himpe, Eline +2 more
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Experimental Study of a Phase-Change Thermoacoustic Engine for Maritime Waste Heat Recovery System
Polish Maritime ResearchEfforts to lower the temperature of waste heat from engines in industry, transportation, and power generation have gained significant attention. Due to the low exergy potential of such emissions, utilising these low-temperature heat sources with ...
Korobko Volodymyr +4 more
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EnergiesThe efficient utilization of renewable heat sources is important for the performance enhancement of trans-critical CO2 heat pump systems and for promoting the transformation of energy structures.
Yuxiang Zhang +4 more
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Low-Concentration Solar-Power Systems Based on Organic Rankine Cycles for Distributed-Scale Applications: Overview and Further Developments [PDF]
, 2015 This paper is concerned with the emergence and development of low-to-medium-grade thermal-energy-conversion systems for distributed power generation based on thermo- dynamic vapor-phase heat-engine cycles undergone by organic working uids, namely ...
Markides, CN
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A Short Review on Kalina Cycle
Journal of Advanced Mechanical Sciences, 2023 This paper provides an overview of various studies on the Kalina cycle and their applications. The century-old Rankine cycle is the foundation for modern power facilities. However, a modified Rankine cycle known as the Kalina cycle has proven to be more
Pranav Babasaheb Shendage
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Стратегические решения и риск-менеджмент, 2014 Stand-alone energy system must provide reliable electricity and heat consumers. In this paper we investigate the efficiency of the energy complex consisting of wind, heat pump, diesel power plants with the accumulation system of hydrogen. We consider the
V. I. Vissarionov +3 more
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Analysis of lunar regolith thermal energy storage [PDF]
The concept of using lunar regolith as a thermal energy storage medium was evaluated. The concept was examined by mathematically modeling the absorption and transfer of heat by the lunar regolith. Regolith thermal and physical properties were established
Colozza, Anthony J.
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Investigation on the performance of air source heat pump system with new environment friendly refrigerants for a low carbon building [PDF]
, 2016 Energy is an important development factor. It is consumed in different format from different sources in daily human activities. Solar energy, as the most fundamental renewable energy resource, serves in a clean, domestic and environmentally friendly way
Cuce, E, Ding, Y, Lu, C, Riffat, S
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