Applied Thermal Engineering
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Abstract Adsorbed phase thermodynamics and isosteric heat of adsorption of adsorbent/refrigerant pairs have immense importance in predicting the system performance of an adsorption heat pump. In this study, six potential adsorbent/adsorbate pairs - Maxsorb III/ethanol, PR_KOH4/ethanol, SAC2/R32, Maxsorb III/R152a, H2-treated Maxsorb III/ethanol, and Maxsorb III/propane are compared using a well-established model for determining heat of adsorption. Temperature-entropy (T-s) maps as a function of ...
#1Mohammad Reza Amini (IAU: Islamic Azad University)H-Index: 8
Last. Saeid Abbasi Maleki (IAU: Islamic Azad University)H-Index: 1
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Abstract In this study, effects of using nanofluid (distilled water as base fluid and aluminum oxide and copper oxide as nanoparticles) on thermal performance of mechanical draft cooling tower have been experimentally investigated and results have been compared with performance of the tower in presence of pure water. A counter flow wet cooling tower with non-uniform and rotational splash type packing has been used. Experiments have been carried out to investigate the effects of inlet temperature...
#1Yubo Chen (TJU: Tianjin University)H-Index: 1
#2Zhao Yang (TJU: Tianjin University)H-Index: 5
Last. Wenzhong Zhao (TJU: Tianjin University)H-Index: 1
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Abstract R32 has been considered as a promising alternative refrigerant with superior energy efficiency. However, it has relatively high exhaust temperature and poor miscibility with commonly used lubricating oil. This paper mainly studied the contribution of R161 and R1234yf to the miscibility of R32 with mineral oil (MO), polyol ester (POE) and polyvinylether (PVE) oils. Firstly, the critical miscibility temperature (TCMT) of R32, R161 and R1234yf with lubricating oils was measured in the temp...
#1Emad Sadeghinezhad (UNSW: University of New South Wales)
#1Emad SadeghinezhadH-Index: 27
Last. Mohammad MehraliH-Index: 8
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Abstract Internal combustion engines evolution has recently gained additional push, in relation to their environmental impact on global warming and air quality deterioration mainly in high congested areas, like urban environments. Several innovative technologies have been introduced in the market and many others are under development in order to reduce CO2 emissions during homologation cycles, including real driving emission tests. Among them, great attention has been paid to the waste heat reco...
#1Peng WangH-Index: 11
Last. Yuebin YuH-Index: 13
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Abstract Accurate and reliable measurements collected from various physical sensors are of great importance to improve the energy utilization efficiency of solar energy systems. Sensor errors have various significant negative impacts on the automatic control and optimized operation. The current study used the virtual in-situ calibration (VIC) instead of traditional methods to spot possible systematic and random errors of temperature, pressure and mass flowrate sensors in a photovoltaic-thermal h...
#1Yanxing Zhao (CAS: Chinese Academy of Sciences)H-Index: 5
#2Zhibin Li (SDUST: Shandong University of Science and Technology)
Last. Jun Shen (CAS: Chinese Academy of Sciences)H-Index: 14
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Abstract By means of regulating the volume of the phase change gasbag, a new stratospheric airship is proposed based on a triple gasbag concept (TGC), which could stay stationary at the same altitude during day and night. A trade study of the phase change system (PCS) is performed, to improve the feasibility of this kind of new stratospheric airship. Ammonia and butane based derivatives are suitable phase change working gases, particularly, ammonia has the advantage of an excellent gas mass per ...
#1Jibo Long (XTU: Xiangtan University)H-Index: 1
#2Jiao Lu (XTU: Xiangtan University)H-Index: 1
Last. A. Yongga (Hunan University)
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Abstract This study proposed a solar building integrated wall in which a solar hot water circulation system was installed. The wall was provided with a solar collector and a thermal radiation plate, which were connected through circulating pipes with a control valve and a water pump. In the cold climate of Xiangtan, experiments and simulations on the solar energy utilization efficiency of the wall were carried out. The results show that the heat transfer amount of the solar building integrated w...
#1Chao XiaoH-Index: 2
#2Qiang LiaoH-Index: 29
Last. Xun ZhuH-Index: 30
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Abstract Solar-driven hydrothermal pretreatment is an effective approach to enhance the energy gain in biogas production from microalgae biomass using anaerobic digestion. The laminar mixed convection characteristics of microalgae slurry in the solar collector, due to high viscosity and non-uniform heat flux, significantly affect the performance of hydrothermal pretreatment. Herein, the laminar mixed convection of microalgae slurry with non-uniform heat flux was numerically investigated. The res...
#1Jia Yan (SWUST: Southwest University of Science and Technology)H-Index: 11
#2Shengyu Li (SWUST: Southwest University of Science and Technology)H-Index: 2
Last. Zhan Liu (CUMT: China University of Mining and Technology)H-Index: 6
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Abstract In this paper, an ejector-based multi-evaporator refrigeration cycle was proposed to focus on its application in the tropical region refrigerated truck refrigeration systems. For this application, numerical investigations on optimization of ejector primary nozzle geometries with fixed and varied nozzle exit position (NXP) by using Computational Fluid Dynamics techniques were performed by the authors. The main contribution of this paper is: (1) optimal primary nozzle throat diameter was ...
Top fields of study
Heat exchanger
Heat transfer
Waste management