[1]张靖周,孙仁洽,张慕瑾,等.水平矩形闭合空腔多孔介质中的自然对流传热[J].东南大学学报(自然科学版),1990,20(1):39-46.[doi:10.3969/j.issn.1001-0505.1990.01.006]
 Zhang Jingzhou,Sun Renqia,Zhang Mujin,et al.Natoral Convection Heat Transfer in Saturated Porous Media inside Horizontal Rectangular Enclosures[J].Journal of Southeast University (Natural Science Edition),1990,20(1):39-46.[doi:10.3969/j.issn.1001-0505.1990.01.006]
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水平矩形闭合空腔多孔介质中的自然对流传热()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
20
期数:
1990年第1期
页码:
39-46
栏目:
本刊信息
出版日期:
1990-01-20

文章信息/Info

Title:
Natoral Convection Heat Transfer in Saturated Porous Media inside Horizontal Rectangular Enclosures
作者:
张靖周孙仁洽张慕瑾何谷元
东南大学动力工程系; 东南大学动力工程系
Author(s):
Zhang Jingzhou Sun Renqia Zhang Mujin He Guyuan
Department of Power Engineering
关键词:
传热 自然对流 多孔介质/矩形闭合空腔 Brinkman 模型
分类号:
+
DOI:
10.3969/j.issn.1001-0505.1990.01.006
摘要:
采用 Darcy 模型的改进形式——Brinkman 模型(包括粘性效应项)研究了底部恒温加热、顶部恒温冷却、竖壁绝热的水平矩形闭合空腔内充满流体的多孔介质中的自然对流传热。数值计算结果表明:在相同的形状比和瑞利数下,与达西流传热系数的差别最大可达30%.当 Da≥10-3时,Darcy 模型所描述的达西流概念已不再成立,如果不考虑粘性效应的影响,则会给理论分析结果带来一定的误差.

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备注/Memo

备注/Memo:
国家自然科学基金
更新日期/Last Update: 2013-04-21