Results 1 to 10 of about 280,556 (203)
Critical Analysis of Process Integration Options for Joule-Cycle and Conventional Heat Pumps
Energies, 2020 To date, research on heat pumps (HP) has mainly focused on vapour compression heat pumps (VCHP), transcritical heat pumps (TCHP), absorption heat pumps, and their heat integration with processes.
Limei Gai +3 more
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Selection and techno-economic analysis of hybrid ground source heat pumps used in karst regions [PDF]
Science Progress, 2020 In order to take advantage of different forms of heat pumps and to mitigate thermal imbalance underground caused by long-term operation of ground source heat pumps, hybrid ground source heat pump systems have received an increasing attention.
Weisong Zhou +5 more
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Energy and economic sustainability in the renewal of centralized heating systems using hybrid heat pump systems [PDF]
E3S Web of Conferences, 2022 In the context of the energy transition policies desired by the EU, the objectives set by 2030 include the reduction of greenhouse gas emissions, the achievement of greater energy savings and the increase in the use of renewable energy. This study, after
Tomas Federico, Dal Cason Alberto
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Assessing inequities in electrification via heat pumps across the US [PDF]
JouleMorgan R Edwards +2 more
exaly +2 more sources
Air-, ground- and dual-source heat pumps: a comparison between energy-efficient systems for a Swedish dwelling [PDF]
E3S Web of Conferences, 2022 Air-source heat pumps (ASHPs) and ground-source heat pumps (GSHPs) are the most spread heat pumps nowadays. However, they suffer from drawbacks that could be mostly overcome coupling the two heat sources, i.e., using dual-source heat pumps (DSHPs).
Fascì Maria Letizia
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Physical Review E, 2006 We propose a novel molecular device that pumps heat against a thermal gradient. The system consists of a molecular element connecting two thermal reservoirs that are characterized by different spectral properties. The pumping action is achieved by applying an external force that periodically modulates molecular levels.
Segal, Dvira, Nitzan, Abraham
openaire +3 more sources
A Review on the Research and Development of Solar-Assisted Heat Pump for Buildings in China
Buildings, 2022 The building sector accounts for over 40% of global energy consumption. The utilization of renewable energy systems such as the solar-assisted heat pump (SAHP) in buildings has been shown to improve building energy efficiency and achieve carbon ...
Yaolin Lin +5 more
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Energies, 2022 The use of heat pumps in buildings is one of the best and often the only option for the decarbonization of the building stock. District heating seems a promising solution in urban areas and in existing buildings when the use of heat pumps is restricted ...
Fabian Ochs +2 more
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Study of a water-source CO2 heat pump for residential use: experimental discharge pressure control and performance analysis [PDF]
E3S Web of Conferences, 2021 The heat pumps with the refrigerant of carbon dioxide (CO2), i.e., CO2 heat pumps, have the merits of low price and environmentally friendliness in comparison with those with traditional refrigerants, e.g., hydrochlorofluorocarbons and ...
Li Yantong +4 more
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Energies, 2022 Generating energy from renewable sources is becoming more and more popular and widespread. Air source heat pumps are one of the most popular types of heat pumps due to the general availability of a heat source and relatively low investment costs. The aim
Piotr Ciuman +2 more
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