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Ján Takács, Zuzana Straková, Luká? Rácz
Pág. 10 - 15
Circulation pumps are mechanical devices, which are used to create the overpressure required for the transportation of a heat-transfer medium in heating technology as well as in other related technologies. In a circulation pump the mechanical energy gene...
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Salem M. Osta-Omar and Christopher Micallef
The objective of this paper is to develop a mathematical model for thermodynamic analysis of an absorption refrigeration system equipped with an adiabatic absorber using a lithium-bromide/water (LiBr/water) pair as the working fluid. The working temperat...
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Lu Wang, Yiming Li, Zhouping Sun, Sida Meng, Tianlai Li and Xingan Liu
Solar greenhouses are commonly overheated during the day, and the remaining air heat can only be dissipated through ventilation, which is a severe energy waste problem. In order to improve the energy utilization of the greenhouse, this study proposes a w...
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Monga F. Twite, Lukas W. Snyman, Johan De Koker, Adedayo Ademola Yusuff
A low-cost heat-exchanger system that can be used in high-pressure/low-pressure isolated solar water-heating systems in South Africa was developed for household applications. The combination of a copper coil and electrical heater allowed for isolation of...
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Agus Nugroho
Now adays the need for saving fuel consumption has been a central issue in the field of energy , as well as in the field of automotive demand for exterior and interior design of the aerodynamics , compact dimensions and fuel consumption saving in a...
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Jingxi Li, Fenglei Gao, Di Zhang, Wei Cao and Chang Zhao
As a new type of pollutant, microplastics widely exist in the marine environment and have attracted a lot of attention from the international community. In order to study the distribution of microplastics and the influence of ocean current, microplastic ...
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S. Tangwe, K. Kusakana
Air source heat pump (ASHP) water heaters are efficient devices for sanitary hot water heating. The coefficient of performance (COP) of the air to water heat pump (AWHP) is constantly lower than that of the corresponding ASHP unit. The study focused on d...
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Victoria Tarasova,Mikhail Kuznetsov,Dionis Kharlampidi,Andrey Kostikov
Pág. 45 - 56
The study addresses the development of a method for the optimal design of vacuum-evaporative heat pump plants (HPP) for a cooling system of technological equipment of the second circuit at a nuclear power plant (NPP) using modern methods of thermodynamic...
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Fan Yang, Pengcheng Chang, Yao Yuan, Na Li, Rongsheng Xie, Xiaowen Zhang and Zhikang Lin
Vertical axial flow pump device has the characteristics of large flow and low head, which is widely used in pumping station projects with head of 3?9 m. In order to study the influence of the timing effect of the impeller relative flow channel and guide ...
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Anagha Pathak,Kiran Deshpande,Sandesh Jadkar
Pág. 19 - 33
There is a huge potential to deploy solar thermal energy in process heat applications in industrial sectors. Around 50 % of industrial heat demand is less than 250 °C which can be addressed through solar energy. The heat energy requirement of industries ...
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