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Liping Pang, Desheng Ma, Yadan Zhang and Xiaodong Yang
A water evaporator is a phase change heat exchanger, as a heat sink, especially for high-speed flight vehicles. It is composed of internal channels for convective cooling and external fins for boiling. In this paper, six water evaporators, Hex0?Hex5, are...
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Changjun Yin, Yunfei Liu, Dongwei Gui, Yi Liu and Wengai Lv
Free surface evaporation is an important process in regional water cycles and energy balance. The accurate calculation of free surface evaporation is of great significance for evaluating and managing water resources. In order to improve the accuracy of e...
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Fernando Illán-Gómez, José Ramón García-Cascales, Francisco Javier Sánchez-Velasco and Ramón A. Otón-Martínez
In this work we analyze numerically different design configurations to be used in a R1234yf DMS cycle coupled with a water source, transcritical CO2 heat pump for heating applications in the building sector. Specifically, we study the temperature range p...
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João M. S. Dias and Vítor A. F. Costa
This paper presents an adsorption cooler (AC) driven by the surplus heat of a solar thermal domestic hot water system to provide cooling to residential buildings. A cylindrical tube adsorber using granular silica gel as adsorbent and water as adsorbate w...
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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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Robert Stefan Vizitiu, Andrei Burlacu, Cherifa Abid, Marina Verdes, Marius Costel Balan and Marius Branoaea
One of the biggest challenges the world is facing these days is to reduce the greenhouse gases emissions in order to prevent the global warming. Since a significant quantity of CO2 emissions is the result of the energy producing process required in indus...
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Liping Zeng, Xing Liu, Quan Zhang, Jun Yi, Xianglong Liu and Huan Su
This paper deals with the heat transfer performance of a micro-channel backplane heat pipe air conditioning system. The optimal range of the filling rate of a micro-channel backplane heat pipe air conditioning system was determined in the range of 65?75%...
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Francis Benjamín Gorozabel Chata,Tania Carbonell Morales
Una bomba de calor de expansión directa con energía solar (BCAES-ED) es una tecnología de calentamiento de agua con mucho potencial en países con climas tropicales y húmedos siendo relevante realizar análisis basados en la energía y la exergía que ...
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Anton Sheikus
Pág. 94 - 103
Subject. System of automatic mobile control of distillation process. Objective. Improving the productivity and energy efficiency of the distillation process by developing an automatic control system that provides mobile control effects on the process, as...
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Vladimir F. Krapivin, Ferdenant A. Mkrtchyan and Gilbert L. Rochon
Possible scenarios of the Aral Sea crisis solution are discussed, and a new scenario is proposed. Previous scenarios have provided for the transfer of water from Siberian Rivers to Central Asia and the restriction of unsustainable expansion of irrigation...
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