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[1]高松,赵民,李扬,等.辐射供冷空调系统下的人体热舒适性研究[J].西安交通大学学报,2017,51(09):98-105.[doi:10.7652/xjtuxb201709014]
 GAO Song,ZHAO Min,LI Yang,et al.Investigation on Human Body Thermal Comfort under Radiative Cooling Air Conditioning System[J].Journal of Xi'an Jiaotong University,2017,51(09):98-105.[doi:10.7652/xjtuxb201709014]
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辐射供冷空调系统下的人体热舒适性研究(PDF)

《西安交通大学学报》[ISSN:0253-987X/CN:61-1069/T]

卷:
51
期数:
2017年第09期
页码:
98-105
栏目:
出版日期:
2017-09-10

文章信息/Info

Title:
Investigation on Human Body Thermal Comfort under
Radiative Cooling Air Conditioning System
作者:
高松1赵民2李扬3王宇昂1孟祥兆12顾兆林12金立文12
1.西安交通大学人居环境与建筑工程学院,710049,西安;2.陕西省建筑环境与能源工程技术
研究中心,710018,西安;3.华中科技大学能源与动力工程学院,430074,武汉
Author(s):
GAO Song1ZHAO Min2LI Yang3WANG Yuang1MENG Xiangzhao12
GU Zhaolin1
2JIN Liwen12
1. School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China;
2. Shaanxi Engineering Research Center of Building Environment and Energy, Xi’an 710018, China;
3. School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
关键词:
辐射供冷空调系统人体热舒适性人体热平衡显热散热量
Keywords:
radiative cooling air conditioning system human body thermal comfort human body thermal balance sensible heat loss
分类号:
TU83
DOI:
10.7652/xjtuxb201709014
摘要:
为了深入研究辐射供冷空调系统下的人体热舒适性,对辐射供冷空调系统的传热机理进行了分析,合理简化了人体热平衡方程,获得了人体显热散热量、辐射对流散热量比与热舒适性的关系。实验及数值模拟结果表明:在辐射供冷空调系统下,人体热舒适性指标(PMV)与人体显热散热量之间具有较好的线性关系,利用该线性关系,可从人体热平衡的角度直接对人体热舒适性进行评价;人体辐射对流散热量比与热舒适性指标之间没有明显的相关关系,即人体辐射对流散热量比对热舒适性没有影响。因此,在保证人体热舒适性的基础上,可以通过提高人体辐射对流散热量比,即使辐射供冷空调系统具有较大的辐射末端面积、较低的辐射末端温度或较高的送风温度,从而达到建筑节能的效果。此项研究可为辐射供冷空调系统的热舒适性评价及系统设计提供参考。
Abstract:
To explore the human body thermal comfort under radiative cooling air conditioning system, the heat transfer mechanism of radiative cooling air conditioning system is investigated. The relationship of the thermal comfort indicator with the human body’s sensible heat loss and the ratio of radiative heat loss to convective heat loss is achieved. Both experimental and numerical results show that the human body thermal comfort index, i.e., predicted mean vote (PMV), is approximately linear with the sensible heat loss of human body under the radiative cooling air conditioning system. Thus, the human body thermal comfort could be directly evaluated by the human body thermal balance according to the obtained linear relationship. Furthermore, it is found that the ratio of radiative heat loss to convective heat loss of human body has no effect on PMV. Therefore, on the basis of maintaining human body thermal comfort, it is conceivable that the higher ratio of radiative heat loss to convective heat loss, which means larger radiative area or higher air supply temperature, could be beneficial to energy conservation. This study may provide a reference for both assessment of human body thermal comfort and system design of radiative cooling air conditioning system.

参考文献/References:

[1]徐祥洋, 杨洁, 张淇淇, 等. 辐射空调系统夏季运行房间温湿度分布试验研究 [J]. 流体机械, 2013, 41(2): 5357.
XU Xiangyang, YANG Jie, ZHANG Qiqi, et al. Experimental study of room temperature and humidity distribution of radiant airconditioning system in summer [J]. Fluid Machinery, 2013, 41(2): 5357.
[2]赵育根, 李强民. 冷却吊顶系统的特性及应用 [J]. 建筑热能通风空调, 1999, 18(1): 3032.
ZHAO Yugen, LI Qiangmin. Characteristics and application of cooling ceiling system [J]. Building Energy & Environment, 1999, 18(1): 3032.
[3]CATALINA T, VIRGONE J, KUZNIK F. Evaluation of thermal comfort using combined CFD and experimentation study in a test room equipped with a cooling ceiling [J]. Building & Environment, 2009, 44(8): 17401750.
[4]FANGER P O. Thermal environment: human requirements [J]. Environmentalist, 1986, 6(4): 275278.
[5]American Society of Heating, Refrigerating, and Air Conditioning Engineers. ASHRAE handbook of fundamentals [M]. Atlanta, USA: ASHRAE, 2009: 170200.
[6]KEIL D, GOLDIN D. Study on indoor thermal environment of office space controlled by cooling panel system using field measurement and the numerical simulation [J]. Building & Environment, 2005, 40(3): 301310.
[7]MEMOM R A, CHIRARATTANANON S, VANGTOOK P. Thermal comfort assessment and application of radiant cooling: a case study [J]. Building & Environment, 2008, 43(7): 11851196.
[8]SIMMONDS P. Practical applications of radiant heating and cooling to maintain comfort conditions [J]. ASHRAE Transactions, 1996, 102(1): 650675.
[9]GAN G. Numerical method for a full assessment of indoor thermal comfort [J]. Indoor Air, 1994, 4(3): 154168.
[10]GAN G. Evaluation of room air distribution systems using computational fluid dynamics [J]. Energy and Buildings, 1995, 23(2): 8393.
[11]朱能, 刘珊. 置换通风与冷却顶板的热舒适性研究 [J]. 制冷学报, 2000, 21(4): 6470.
ZHU Neng, LIU Shan. Thermal comfort with displacement ventilation combined with chilled ceiling system [J]. Journal of Refrigeration, 2000, 21(4): 6470.
[12]HODDER S, LOVEDAY D, PARSONS K, et al. Thermal comfort in chilled ceiling and displacement ventilation environments: vertical radiant temperature asymmetry effects [J]. Energy and Buildings, 1998, 27(2): 167173.
[13]LOVRDAY D, PARSONS K, TAKI A, et al. Displacement ventilation environments with chilled ceilings: thermal comfort design within the context of the BS EN ISO7730 versus adaptive debate [J]. Energy and Buildings, 2002, 34(6): 573579.
[14]LIN Z, DENG S. A study on the thermal comfort in sleeping environments in the subtropics: developing a thermal comfort model for sleeping environments [J]. Building and Environment, 2008, 43(1): 7081.
[15]BURTON A C, EDHOLM O G. Man in a cold environment [J]. American Journal of Physical Anthropology, 1956, 14(2): 337339.
[16]MURAKAMI S, KATO S, ZENG J. Combined simulation of airflow, radiation and moisture transport for heat release from a human body [J]. Building & Environment, 1998, 35(6): 489500.
[17]DE DEAR R J, ARENS E, HUI Z, et al. Convective and radiative heat transfer coefficients for individual human body segments [J]. International Journal of Biometeorology, 1997, 40(3): 141156.
[18]GAGGE A P, BURTON A C, BAZETT H C. A practical system of units for the description of the heat exchange of man with his environment [J]. Science, 1941, 94(2445): 428430.
[19]王子介. 低温辐射供暖与辐射供冷 [M]. 北京: 机械工业出版社, 2004: 210220.
[20]陶文铨. 数值传热学 [M]. 2版. 西安: 西安交通大学出版社, 2001: 347350.

备注/Memo

备注/Memo:
陕西省自然科学基础研究计划资助项目(2014JZ2002);陕西省科技统筹创新工程计划资助项目(2015KTCQ0199);陕西省重点科技创新团队资助项目(2016KCT16)
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