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Yiwen Jian, Shuwei Liu, Mengmeng Bian, Zijia Liu and Shengjie Liu
To date, few attempts have been made to associate air conditioning behavior with environmental conditions and the occupants? thermal sensations and physiological states simultaneously. In this study, a series of experiments were conducted in a climate ch...
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Moo-Yeon Lee, Ho-Seong Lee and Hong-Phil Won
The objective of this study was to investigate the cooling performance characteristics of an electrical air conditioning system using R744 as an alternative of R-134a for a fuel cell electric vehicle. In order to analyze the cooling performance character...
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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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Liang Wang, Yangli Li, Shudan Deng and Juan Zhao
The research focuses on the air-conditioning system in a public area of a subway station. To address this, an optimization model based on the grid time segmentation method was constructed, specifically a GM (1,1) model. We explored the influence of the h...
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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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Song He, Wang Chen, Wansheng Yang and Xudong Zhao
Air conditioning energy consumption accounts for most building energy consumption, indoor dehumidification is the main cause of air conditioning energy consumption. Optimize the dehumidification methods of air conditioning systems have great significance...
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Chi-Chun Lo, Shang-Ho Tsai and Bor-Shyh Lin
This paper presents an optimal dispatch model of an ice storage air-conditioning system for participants to quickly and accurately perform energy saving and demand response, and to avoid the over contact with electricity price peak. The schedule planning...
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Jiang Wang, Kai Hu, Kechen Tang, Yubing Xing, Yani Xiao, Yutian Liu, Yonggao Yan and Dongwang Yang
Air conditioning has become a necessity in people?s daily life. The performance of the compressor determines the energy efficiency ratio of this electrical equipment, but the heat generated during the operation of its internal core power components will ...
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Honglian Li, Li Shang, Chengwang Li and Jiaxiang Lei
Climate change and urban heat island effects affect the energy consumption of buildings in urban heat islands. In order to meet the requirements of engineering applications for detailed daily design parameters for air conditioning, the 15-year summer met...
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Anna Pacak, Anna Jurga, Korneliusz Sierpowski, Magdalena Panek, Agata Skolowska and Demis Pandelidis
In this study, a multi-stage regenerative-cross-flow dew-point evaporative cooler performance is analyzed and compared to the performance of a regenerative dew-point evaporative cooler. The most beneficial configuration of the proposed exchanger was esta...
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Sang Kuy Han, Young Wook Kim, Bon-Sang Koo, Hae Won Choi and Soonbum Lee
The bioelectric technology in this study shows high efficacy for the removal of total biofilm, as well as viable reduction in cell density, through testing of the HVAC evaporator. We anticipate that this could be a foundation for developing a new HVAC hy...
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Anatolijs Borodinecs, Kristina Lebedeva, Natalja Sidenko and Aleksejs Prozuments
Evaporative cooling is widely recognized as an energy efficient and environmentally-friendly air conditioning solution, and it has drawn a lot of market interest in recent years. However, this technology is accompanied by several challenges. For instance...
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Ruijun Chen, Yu-Tung Liu and Yaw-Shyan Tsay
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Bongchan Jeong, Jungsoo Kim, Zhenjun Ma, Paul Cooper and Richard de Dear
Air conditioning (A/C) is generally responsible for a significant proportion of total building energy consumption. However, occupants? air conditioning usage patterns are often unrealistically characterised in building energy performance simulation tools...
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Jamal Saif, Andrew Wright, Sanober Khattak and Kasem Elfadli
In hot arid climates, air conditioning in the summer dominates energy use in buildings. In Kuwait, energy demand in buildings is dominated by cooling, which also determines the national peak electricity demand. Schools contribute significantly to cooling...
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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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Jian-hong Zhu, Juping Gu and Min Wu
The growing number of accessed energy-efficient frequency conversion air conditioners is likely to generate a large number of harmonics on the power grid. The following shortage in the reactive power of peak load may trigger voltage collapse. Hence, this...
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Jesús Armando Aguilar-Jiménez, Nicolás Velázquez, Ricardo López-Zavala, Luis A. González-Uribe, Ricardo Beltrán and Luis Hernández-Callejo
In this work, we present an absorption cooling system with 35 kW capacity driven by solar thermal energy, installed in the school of Puertecitos, Mexico, an off-grid community with a high level of social marginalization. The cooling system provides therm...
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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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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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