| Indexes of Indoor Thermal Environment with Asymmetrical Radiant Field |
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| 作者姓名： | 钟珂 刘加平 亢燕铭 |
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| 作者单位： | [1]SchoolofEnvironmentalScienceandEngineering,DonghuaUniversity,Shanghai,200051 [2]SchoolofArchitecture,Xi＇anUniversityofArchitectureandTechnology,Xi＇an,710055 |
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| 基金项目： | This work was supported by the National Natural Science Foundation for Distinguished Young Scholars (Grant No. 50125821) |
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| 摘 要： | The main features of top-floor rooms with natural ventilation are identified by investigating indoor thermal environment in summer season. One is high indoor air temperature, for this reason the indoor climate is far beyond the thermal comfort standard; the other is the inhomogeneous temperature distribution of the inner wall surfaces, and high temperature of the inner surface of the roof causes much scorching to the head of occupant. This is the characteristic of such rooms.Both features mentioned above should be considered comprehensively for the evaluation of indoor thermal environment of the top-floor rooms with asymmetric radiantfield. In order to characterize the indoor thermalenvironment of the rooms, the heat stress index, HSI and radiant heat flux reaching human head, QR should beintroduced simultaneously as thermal indexes for the indoor climate evaluation. The application of the indexes to a top-floor room is vresented and analyzed.
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| 关 键 词： | 热量指标 室内热环境 不对称辐射场 自然通风 顶楼 |
Indexes of Indoor Thermal Environment with Asymmetrical Radiant Field |
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| ZHONG Ke LIU Jia-ping KANG Yan-ming School of Environmental Science and Engineering,Donghua University,Shanghai, School of Architecture,Xi'an University of Architecture and Technology,Xi'an.Indexes of Indoor Thermal Environment with Asymmetrical Radiant Field[J].Journal of Donghua University,2004,21(1):63-67. |
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| Authors: | ZHONG Ke LIU Jia-ping KANG Yan-ming School of Environmental Science and Engineering Donghua University Shanghai School of Architecture Xi'an University of Architecture and Technology Xi'an |
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| Institution: | 1. School of Environmental Science and Engineering, Donghua University, Shanghai, 200051
2. School of Architecture, Xi'an University of Architecture and Technology, Xi'an, 710055 |
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| Abstract: | The main features of top-flcor rooms with natural ventilation are identified by investigating indoor thermal environment in summer season. One is high indoor air temperature, for this reason the indoor climate is far beyond the thermal comfort standard; the other is the inhomogeneons temperature distribution of the inner wall surfaces, and high temperature of the inner surface of the roof causes much scorching to the head of occupant. This is the characteristic of such rooms. Both features mentioned above should be considered comprehensively for the evaluation of indoor thermal environment of the top-floor rooms with asymmetric radiant field. In order to characterize the indoor thermal environment of the rooms, the heat stress index, HSI and radiant heat flux reaching human head, Q_R should be introduced simultaneously as thermal indexes for the indoor climate evaluation. The application of the indexes to a topfloor room is presented and analyzed. |
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| Keywords: | thermal index asymmetrical radiant field top-floor room natural ventilation |
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