AIR-CONDITIONING SYSTEM;
PAD SYSTEMS;
COMFORT;
MODEL;
D O I:
10.1080/10407782.2020.1793556
中图分类号:
O414.1 [热力学];
学科分类号:
摘要:
In the present work, a test facility has been set up to observe direct water-air interaction with and without a cellulose cooling pad. Volumetric heat and mass transfer coefficients have been introduced to understand air-water interaction so that contact volume between air and water with and without pad can be used as an effective parameter in the analysis. Experimental values of these parameters have been determined and correlations for Nusselt and Sherwood number have been obtained with a maximum of +/- 20% error band. Also, a two dimensional, numerical model for water and air interaction in cross flow has been developed based on mass and energy balance as well as convective heat and mass transfer relations. Exit temperature and relative humidity of air, exit temperature of water measured from experiments are compared with those obtained from numerical model and the agreement is generally good with a maximum deviation of 15%.
机构:
Yantai Univ, Dept Thermal Energy & Power Engn, 30 Qingquan Rd, Yantai 264005, Peoples R ChinaYantai Univ, Dept Thermal Energy & Power Engn, 30 Qingquan Rd, Yantai 264005, Peoples R China
Liu, Huanwei
Zhou, Qiushu
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机构:
Yantai Univ, Dept Thermal Energy & Power Engn, 30 Qingquan Rd, Yantai 264005, Peoples R ChinaYantai Univ, Dept Thermal Energy & Power Engn, 30 Qingquan Rd, Yantai 264005, Peoples R China
Zhou, Qiushu
Zhao, Haibo
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机构:
Yantai Univ, Dept Thermal Energy & Power Engn, 30 Qingquan Rd, Yantai 264005, Peoples R ChinaYantai Univ, Dept Thermal Energy & Power Engn, 30 Qingquan Rd, Yantai 264005, Peoples R China
机构:
Changsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R China
Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R ChinaChangsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R China
Xin, Feng
Xu, Bowen
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机构:
Changsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R ChinaChangsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R China
Xu, Bowen
Dai, Dongdong
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机构:
Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R ChinaChangsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R China
Dai, Dongdong
Liu, Wei
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机构:
Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R ChinaChangsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R China
Liu, Wei
Liu, Zhichun
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机构:
Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R ChinaChangsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Peoples R China
机构:
North China Elect Power Univ, Sch Energy Power & Mech Engn, Hebei Key Lab Low Carbon & High Efficiency Power G, Baoding 071003, Peoples R ChinaTianjin Univ Technol, Sch Mech Engn, Tianjin Key Lab Adv Mechatron Syst Design & Intell, Tianjin 300384, Peoples R China
Xie, Lingtian
Zhao, Boyang
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机构:
North China Elect Power Univ, Sch Energy Power & Mech Engn, Hebei Key Lab Low Carbon & High Efficiency Power G, Baoding 071003, Peoples R ChinaTianjin Univ Technol, Sch Mech Engn, Tianjin Key Lab Adv Mechatron Syst Design & Intell, Tianjin 300384, Peoples R China
Zhao, Boyang
Shen, Wenran
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h-index: 0
机构:
North China Elect Power Univ, Sch Energy Power & Mech Engn, Hebei Key Lab Low Carbon & High Efficiency Power G, Baoding 071003, Peoples R ChinaTianjin Univ Technol, Sch Mech Engn, Tianjin Key Lab Adv Mechatron Syst Design & Intell, Tianjin 300384, Peoples R China
Shen, Wenran
Liu, Yun
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h-index: 0
机构:
North China Elect Power Univ, Sch Energy Power & Mech Engn, Hebei Key Lab Low Carbon & High Efficiency Power G, Baoding 071003, Peoples R ChinaTianjin Univ Technol, Sch Mech Engn, Tianjin Key Lab Adv Mechatron Syst Design & Intell, Tianjin 300384, Peoples R China