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	Simulation analysis on the fresh air handling unit with liquid desiccant total heat recovery
	Xie, Xiaoyun ; Tang, Yidan ; Yi, Xiaoqin ; Liu, Shuangqiang ; Jiang, Yi
	2010-05-10 ; 2010-05-10
会议名称	BUILDING SIMULATION 2007, VOLS 1-3, PROCEEDINGS ; 10th Conference of the International-Building-Performance-Simulation-Association ; Beijing, PEOPLES R CHINA ; Web of Science
关键词	liquid desiccant fresh air handling unit testing simulation Construction & Building Technology Engineering, Civil Mathematics, Applied
中文摘要	A liquid desiccant fresh air processor is presented whose driven force is low-parade heat (65 similar to 70 degrees C hot water). Inside the processor, the desired cooling source for air's dehumidification is indoor exhaust air's evaporative cooling energy. Multi-stage Structure is used to get higher total heal recovery efficiency of indoor exhaust air. The mathematical model of the fresh air processor is set up and realized by SIMULINK procedure. As the practical liquid desiccant fresh air processor is developed, its performance is tested with average COP (cooling load divided by heat source) 1.3. Besides, the inside detailed parameters of practical facility for each heat transfer unit are acquired through testing. By comparing the tested and simulated data, the mathematical model is corrected by changing the main heat transfer units' characteristic coefficients, such as the volumetric mass transfer coefficient of air-water evaporative cooling module and the KA of sensible heat exchangers. Finally, using the corrected simulation model, the control strategy of the fresh air-handling unit is discussed, which indicates the imported strong solution's flowrate and the number of working stages are two effective regulated parameters and can be controlled singly or together at different outdoor conditions and for different indoor demands.; Tsinghua Univ
会议录出版者	TSINGHUA UNIVERSITY PRESS ; BEIJING ; TSINGHUA UNIVERSITY HAIDIANQU, BEIJING 100084, PEOPLES R CHINA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19697]
专题	清华大学
推荐引用方式 GB/T 7714	Xie, Xiaoyun,Tang, Yidan,Yi, Xiaoqin,et al. Simulation analysis on the fresh air handling unit with liquid desiccant total heat recovery[C]. 见:BUILDING SIMULATION 2007, VOLS 1-3, PROCEEDINGS, 10th Conference of the International-Building-Performance-Simulation-Association, Beijing, PEOPLES R CHINA, Web of Science.

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