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Issue:
Measurement and study on the heat transfer of embedded heat floor
Author(s):
LIU Yanfeng
,
LIU Jiaping
Pages:
176
-
178,194
Year:
2004
Issue:
2
Journal:
JOURNAL OF XI'AN UNIVERSITY OF ARCHITECTURE & TECHNOLOGY
Keyword:
低温热水辐射地板
;
测试
;
地板表面温度
;
延迟时间
;
Abstract:
根据低温热水辐射地板传热理论计算的通用假设条件,以试块代替实际辐射地板,在国际标准散热器性能检测台上对各种构造方式和运行工况下地板的传热过程进行测试.测试结果反映了地板表面温度和传热延迟时间与管径、管间距、管道埋深和管道平均水温之间的关系.发现供水状态变化后,地板表面温度随时间呈指数变化,升温期的稳定时间约为降温期的一半.比较测试结果和数值模拟结果后,证明该测试方法能用于理论计算结果的验证.
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