锯齿翅片的传热与阻力性能试验

被引:9
作者
董军启
陈江平
陈芝久
机构
[1] 上海交通大学制冷与低温研究所
关键词
传热; 锯齿翅片; 关联式;
D O I
暂无
中图分类号
TK124 [传热学];
学科分类号
080701 ;
摘要
在风洞试验台上对16种不同结构参数的板翅换热器中使用锯齿翅片进行了传热和流动阻力性能试验,分析比较了翅片间距和翅片长度对其表面对流传热系数和空气阻力性能的影响。同时通过对16种翅片的244个试验数据点进行多元回归和F显著性检验,获得了j因子和f因子的经验关联式。在Re=500~7500范围内,经验关联式的最大误差范围为±10%,绝对平均偏差分别为4.2%和5.3%。
引用
收藏
页码:281 / 285
页数:5
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