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Dynamic thermal reaction analysis of wall structures in various cooling operation conditions

机译:各种冷却工况下墙体结构的动态热反应分析

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This paper proposes a methodology of performance assessing of envelops under different cooling operation conditions, by focusing on indoor temperature change and dynamic thermal behavior performance of walls. To obtain a general relationship between the thermal environment change and the reaction of envelop, variously insulated walls made with the same insulation material are separately built in the same wall of a testing building with the four different structures, namely self-heat insulation (full insulation material), exterior insulation, internal insulation and intermediate insulation. The advantage of this setting is that the test targets are exposed to the same environmental variables, and the tests results are thus comparable. The target responses to two types of perturbations, cooling temperature and operation time were chosen as the important variations in the tests. Parameters of cooling set temperature of 22 degrees C and 18 degrees C, operation and restoring time 10 min and 15 mm are set in the test models, and discussed with simulation results respectively. The results reveal that the exterior insulation and internal insulation are more sensitive to thermal environment change than self-heat insulation and intermediate insulation. (C) 2015 Elsevier Ltd. All rights reserved.
机译:本文着重于室内温度变化和墙体动态热性能,提出了一种在不同制冷运行条件下对信封性能进行评估的方法。为了获得热环境变化与包封反应之间的一般关系,将具有相同隔热材料的各种隔热墙分别建造在具有四种不同结构的测试建筑物的同一墙中,即自隔热(全隔热)材料),外部绝缘,内部绝缘和中间绝缘。这种设置的优点是,测试目标暴露于相同的环境变量中,因此测试结果具有可比性。选择对两种类型的干扰(冷却温度和运行时间)的目标响应作为测试中的重要变化。在测试模型中设置了22摄氏度和18摄氏度的冷却设定温度,10分钟和15毫米的运行和恢复时间的参数,并分别与仿真结果进行了讨论。结果表明,外保温和内保温比自保温和中保温对热环境的变化更敏感。 (C)2015 Elsevier Ltd.保留所有权利。

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