Results 31 to 40 of about 90,105 (214)

A Hybrid Compression-Absorption High Temperature Heat Pump Cycles for Industrial Waste Heat Recovery

Shanghai Jiaotong Daxue xuebao, 2021
Aimed at the problem that the conventional absorption heat pumps and compression heat pumps cannot take into account the temperature rise and efficiency, this paper proposes the use of a thermally-coupled hybrid compression-absorption heat pump to ...
AN Meiyan, ZHAO Xinrui, XU Zhenyuan, WANG Ruzhu
doaj   +1 more source

Optimal intermediate temperature of two-stage cascade heat pump with non-azeotropic refrigerants for simultaneous heating and cooling

Results in Engineering
This paper presents a model for finding the optimal intermediate temperature to achieve the highest coefficient of performance of the standard two-stage cascade heat pump with non-azeotropic refrigerants for simultaneous heating and cooling.
Sokleng Srou, Thoranis Deethayat, Attakorn Asanakham, Tanongkiat Kiatsiriroat   +3 more
doaj   +1 more source

On the Design and Response of Domestic Ground-Source Heat Pumps in the UK

, 2014
The design and response of ground source heat pumps coupled to vertical closed loop arrays in UK domestic applications are investigated in this article.
Underwood, Chris, Chris Underwood
core   +1 more source

The Joint Use of a Phase Heat Accumulator and a Compressor Heat Pump

Energies
This article presents an example of the joint use of a compressor heat pump that uses propane as a natural, ecological thermodynamic medium and a phase heat accumulator that uses paraffin as a medium. Special attention has been paid to the solidification
Zygmunt Lipnicki, Marta Gortych, Daniel Polak   +2 more
doaj   +1 more source

The thermal behaviour of three different auger pressure grouted piles used as heat exchangers [PDF]

, 2014
Three auger pressure grouted (APG) test piles were constructed at a site in Richmond, Texas. The piles were each equipped with two U-loops of heat transfer pipes so that they could function as pile heat exchangers.
Brettmann, T, Brettmann, Tracy, Powrie, W., Olgun, CG, Powrie, W, Powrie, William, Loveridge, F, Olgun, C.G., Brettmann, T., Loveridge, F., Loveridge, Fleur, Olgun, C. Guney   +11 more
core   +1 more source

Comparison and Prospect of Magnetic Heat Pump Cycle and Magnetic Refrigeration Cycle

Zhileng xuebao
As one of the main application directions of magnetocaloric effect near room temperature, room temperature magnetic heat pump has the characteristics of high efficiency, environmental protection, low noise and low vibration.
许戈耀, 张尧康, 余浩贤, 陈富城, 胡旭龙, 巫江虹   +5 more
doaj   +2 more sources

A review of compressors for high temperature heat pumps

Thermal Science and Engineering Progress
Data availability: No data was used for the research described in the article.
El Samad, T., Żabnieńska-Góra, A., Jouhara, H., Sayma, A. I.   +3 more
openaire   +3 more sources

Experimental Investigation of a New High Temperature Heat Pump Using Water as Refrigerant for Industrial Heat Recovery

, 2012
Currently, improving energy efficiency becomes a main challenge for all industrial energy systems. This challenge involves an improved recovery of wasted heat generated by several industrial processes.
Peureux, Jean-Louis, Rulliere, Romuald, Haberschill, Philippe, Chamoun, Marwan   +3 more
core  

Predicting in situ heat pump performance: An investigation into a single ground-source heat pump system in the context of 10 similar systems [PDF]

, 2012
Ten similar ground-source heat pump systems installed in small rural social housing bungalows in the UK have been monitored in detail over a period of more than one year.
Lilley, D, Stafford, A, A. Stafford (7152713), Debra Lilley (1258659)   +3 more
core   +1 more source

Research Progress and Prospect of Air Source Heat Pump in Low Temperature Environment

Zhileng xuebao, 2013
Air source heat pump, a high efficiency, energy conservation and environmental protection device, is in prospect of wide application and market value.
Wang Fenghao, Wang Zhihua, Zheng Yuxin, Hao Jibo   +3 more
doaj