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China's wind and solar (WS) energy grow rapidly but simultaneously cause high wind and solar resource abandonments. Large-scale energy storage facilities, such as compressed air energy storage plants (CAES) must be complimented to balance the intermittent of these powers. However, in China's wind-solar-rich places (Three North Region), there is no salt formations for CAES construction. Thus we propose...
Liquid desiccant dehumidification systems are widely used in many industries including HVAC. Special attention has been paid to the liquid desiccant air conditioning (LDAC) system performance analyses. However, the studies, such as factor analysis and performance optimization of LDAC system, have not received enough attention. This paper focuses on the factor analysis and optimization of the operational...
Compressed air energy storage (CAES) is a method of energy storage which can convert the surplus power to the internal energy of compressed air, and regenerates electricity whenever power is needed. A clean CAES system coupled with wind and solar energy was developed to solve the dependence of traditional CAES system on fossil fuels in China. The operating variables of the hybrid system include heat...
The thermoelectric generator (TEG) is a distinctive solid-state heat engine with great potential in various scale energy harvesting. Device-level heat transfer coupled with energy conversion makes the accurate analysis of the system very complicate. In this paper, the thermodynamic analysis in a TEG module is carried out to study the influence of the contact layer resistance, Thompson Effect, Joule...
The dissociation process of gas hydrates is also the discharging process of the gas hydrate cool storage system. In order to reduce the entropy generation rate of the gas hydrate dissociation process, this paper takes the entropy generation minimization as the optimization objective to perform thermodynamic optimization for the related process. By establishing thermodynamic optimization model of the...
Their fast growth and adaptability make hardwoods good candidates for bioethanol production. This study evaluated acacia and eucalypt for bioethanol production in Taiwan. Enzyme formulations with endoglucanase, cellobiohydrolases and xylanase activities were applied for subsequent saccharification. The hydrolysis efficiencies were negatively impacted by the lignin contents of pulps. SSF (Simultaneous...
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