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Juan Carlos Silva-Romero, Juan Manuel Belman-Flores and Salvador M. Aceves
The study and development of miniature refrigeration and climate conditioning systems based on vapor compression for small-scale applications have received wide interest in recent years due to their advantages compared with other available technologies, ...
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Mario Pérez-Gomariz, Antonio López-Gómez and Fernando Cerdán-Cartagena
The refrigeration industry is an energy-intensive sector. Increasing the efficiency of industrial refrigeration systems is crucial for reducing production costs and minimizing CO2 emissions. Optimization of refrigeration systems is often a complex and ti...
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S. Ehsan Shafiei, Henrik Rasmussen and Jakob Stoustrup
Modeling of supermarket refrigeration systems for supervisory control in the smart grid is presented in this paper. A modular modeling approach is proposed in which each module is modeled and identified separately. The focus of the work is on estimating ...
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Xiaoling Yang, Zhefeng Wang, Ze Zhang, Shuangtao Chen, Yu Hou and Liang Chen
As a requirement for sustainable development, air-cycle refrigeration has received wide attention as a candidate for environmentally friendly air conditioning technology. In this study, the thermodynamic performance of air refrigeration cycles is investi...
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Mohammed Khennich, Mikhail Sorin and Nicolas Galanis
The evaluation of the thermodynamic performance of the mutual transformation of different kinds of exergy linked to the intensive thermodynamic parameters of the flow inside the ejector of a refrigeration system is undertaken. Two thermodynamic metrics, ...
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Fadi Alsouda, Nick S. Bennett, Suvash C. Saha, Fatemeh Salehi and Mohammad S. Islam
Air conditioning and refrigeration have become necessary in modern life, accounting for more than 7.8% of greenhouse gases (GHG) emitted globally. Reducing the environmental impact of these systems is crucial for meeting the global GHG emission targets. ...
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José Antonio Romero Paguay,Tania Carbonell Morales
Pág. 143 - 152
Un estudio comparativo de un sistema de refrigeración solar simple efecto LiBr por absorción y un sistema de enfriamiento conrueda desecante usando energía solar es presentado. El estudio se realiza mediante la simulación dinámica de estos sistemas enun ...
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Eric Teitelbaum, Clayton Miller and Forrest Meggers
The psychrometric chart is the most common data visualization technique for the designers of thermal comfort systems worldwide. From its humble roots as means of expressing the characteristics of air in building systems design, the use of the chart has g...
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Alexandre F. Santos, Pedro D. Gaspar, Heraldo J. L. de Souza, João M. L. P. Caldeira and Vasco N. G. J. Soares
This study discusses the choice of dehumidification systems for high-moisture indoor environments, such as indoor swimming pools, supported by an eco-energetic performance comparison. Initially, the causes of the high relative humidity and condensation i...
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Ivan Gospic, Ivica Glavan, Igor Poljak and Vedran Mrzljak
The paper discusses the possibility of applying the trigeneration energy concept (cogeneration + absorption cooling) on diesel-powered refrigerated ships, based on systematic analyses of variable energy loads during the estimated life of the ship on a pr...
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Boniface Dominick Mselle, David Vérez, Gabriel Zsembinszki, Emiliano Borri and Luisa F. Cabeza
Experimental testing of a novel heat exchanger embedded with thermal energy storage material for refrigeration cycles and air-conditioning systems applications.
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Hybrid sorption-compression systems are gaining interest for heating/cooling/ refrigeration purposes in different applications, since they allow exploiting the benefits of both technologies and a better utilization of renewable sources. However, design o...
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Ghofrane Sekrani and Sébastien Poncet
Nanofluids are considered a promising way to improve the heat transfer capability of base fluids. Water is the most commonly-used heat transfer fluid. However, in refrigeration systems, it may be necessary to mix water with either ethylene- or propylene-...
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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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Vladimir Zaykov,Vladimir Mescheryakov,Yurii Zhuravlov
Pág. 63 - 73
The systems maintaining thermal regimes are a necessary component of thermally-loaded radio-electronic equipment, without which its operation is impossible. The uneven distribution of heat emitted by components such as semiconductor lasers, receivers of ...
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Chang-Ming Lin, Hsin-Yu Liu, Ko-Ying Tseng and Sheng-Fuu Lin
The objective of this study was to develop a heating, ventilation, and air conditioning (HVAC) system optimization control strategy involving fan coil unit (FCU) temperature control for energy conservation in chilled water systems to enhance the operatin...
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Stephen Loh Tangwe, Michael Simon, Russel Mhundwa
Renewable energy technologies that can provide optimum and cost-effective energy savings to mitigate global warming, energy crisis and to achieve energy efficiency continue to be of paramount importance. The present study focused on identifying critical ...
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Tatenda J. Bvumbe, Freddie L. Inambao
The demand for air conditioning is increasing due to changing architectural trends and increased standards of living and indoor comfort conditions. Coupled to this, refrigerants used in conventional refrigeration systems have detrimental effects on the e...
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Adil Al-Falahi, Falah Alobaid and Bernd Epple
Absorption refrigeration cycle is considered a vital option for thermal cooling processes. Designing new systems is needed to meet the increasing communities? demands of space cooling. This should be given more attention especially with the increasing co...
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