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Seungtaek Lim, Jiwon Yoon, Hosaeng Lee and Hyeonju Kim
South Korea is currently in the preparatory stage of commercializing an ocean thermal energy conversion (OTEC) system, as the demonstration of a 1 MW scale OTEC system has been accomplished. However, the commercialization of OTEC requires the establishme...
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Moo-Yeon
The objective of this study is to design and briefly investigate the cooling performances of an air conditioning system for a special purpose vehicle under various experimental conditions. An air conditioning system with two parallel refrigeration cycles...
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Miklós Kassai
Pág. 220 - 229
The object of this research was to investigate of the energy performance of a national chicken slaughterhouse in order to achieve condenser heat utilization generated by the operation of the existing, refrigerant systems. The paper focuses also for the t...
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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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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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Samuel Sami
This paper discusses the performance of nanofluids in a PV Thermal-driven Organic Rankine Cycle (ORC) with cooling capabilities. This study was intended to investigate the enhancement effect and characteristics of nanofluids; Al2O3, CuO, Fe3O4 and SiO2 o...
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Jonathan Ibarra-Bahena, Eduardo Venegas-Reyes, Yuridiana R. Galindo-Luna, Wilfrido Rivera, Rosenberg J. Romero, Antonio Rodríguez-Martínez and Ulises Dehesa-Carrasco
In absorption cooling systems, the desorber is a component that separates the refrigerant fluid from the liquid working mixture, most commonly completed by boiling separation; however, the operation temperature of boiling desorbers is generally higher th...
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Yerim Han and Woohyun Kim
In this paper, a building control algorithm is proposed to reduce the electricity consumption of a building with a variable refrigerant flow (VRF) system. The algorithm uses sequence-to-sequence long short-term memory (seq2seq LSTM) to set target electri...
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Serhii Korniievych,Vitaly Zhelezny,Olga Khliyeva,Mykola Shymchuk,Natalya Volgusheva
Pág. 55 - 62
The optimal choice of compressor oil and the use of nanoparticles as additives are a promising way to improve the efficiency of vapor compression refrigeration systems. The main barrier for the practical implementation of this approach in the industry is...
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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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Lim Seungtaek, Lee Hoseang and Kim Hyeonju
Near infinite seawater thermal energy, which is considered as an alternative to energy shortage, is expected to be available to 98 countries around the world. Currently, a demonstration plant is being built using closed MW class ocean thermal energy conv...
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Melanie Gissel Urdangarín Gamarra, Jair Antonio Cruz Siqueira, Fabyo Luiz Pereira
Pág. e47262
The aim of this study is to quantify the energy savings of a library in the city of Foz do Iguaçu/Brazil, through simulations in EnergyPlus. Due to the great participation of air conditioning in the electric consumption of the building under study, the f...
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Melanie Gissel Urdangarín Gamarra, Jair Antonio Cruz Siqueira, Fabyo Luiz Pereira (Author)
Pág. e47262
The aim of this study is to quantify the energy savings of a library in the city of Foz do Iguaçu/Brazil, through simulations in EnergyPlus. Due to the great participation of air conditioning in the electric consumption of the building under study, the f...
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Ratha Z. Mathkor, Brian Agnew, Mohammed A. Al-Weshahi and Fathi Latrsh
This paper reports on a study of the modelling, validation and analysis of an integrated 1 MW (electrical output) tri-generation system energized by solar energy. The impact of local climatic conditions in the Mediterranean region on the system performan...
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Johann Emhofer, Klemens Marx, Tilman Barz, Felix Hochwallner, Luisa F. Cabeza, Gabriel Zsembinszki, Andreas Strehlow, Birgo Nitsch, Michael Wiesflecker and Werner Pink
Integration of a three-media refrigerant/phase change material (PCM)/water heat exchanger (RPW-HEX) in the hot superheated section of a heat pump (HP) system is a promising approach to save energy for domestic hot water (DHW) generation in multi-family h...
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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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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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Samuel Sami
In this paper, the performance of nanofluids in a Parabolic Trough Concentrating Solar Collector (CSP)-based power generation plant, an Organic Rankine Cycle (ORC), and a Thermal Energy Storage (TES) system is studied. This study is intended to investiga...
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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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Weifeng Wu, Zhao Zhang, Xiaolin Wang, Liangwei Yang and Quanke Feng
Refrigeration oil has a large effect on the performance of refrigeration systems. However, the physical and chemical indexes of fresh refrigeration oils often fail to reflect the actual operating characteristics, especially with respect to the degradatio...
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