湿传递对墙体热传递的影响关系研究
Release time:2024-08-09
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- Affiliation of Author(s):
- 建筑设备科学与工程学院
- Journal:
- 太阳能学报
- Key Words:
- 中文关键字:热湿耦合传递;相变潜热;温度;热流;湿流,英文关键字:coupled heat and moisture transfer;phase change la
- Abstract:
- 建立以相对湿度和温度为驱动势的热湿耦合传递数学模型,并对模型准确性进行验证。以松木板和混凝土为例,利用所建数学模型对其在不同热湿环境下进行计算分析,结果发现:松木板的吸放湿性明显强于混凝土,湿流量为混凝土的5.3倍;考虑与未考虑传湿情况相比,松木板内表面温度低1.1℃,混凝土仅低0.2℃;在考虑传湿情况下,松木板内表面潜热热流占总热流的45%,而混凝土内表面潜热热流仅占总热流的8.3%。
- Note:
- 刘艳峰
- First Author:
- wangdengjia,liuyanfeng,wangyingying
- Indexed by:
- Journal paper
- Volume:
- 卷:25
- Issue:
- 期:7
- Page Number:
- 页:1151-1154
- Translation or Not:
- no
- Date of Publication:
- 2014-07-01
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