烟塔合一自然通风冷却塔的有限元分析  

FINITE ELEMENT ANALYSIS OF A NATURAL DRAFT COOLING TOWER WITH FLUE GAS INLETS INTEGRATED

作　　者：王铭[1] 黄志龙[1] 张丽强[1] 

机构地区：[1]浙江大学力学系,杭州310027

出　　处：《力学与实践》2006年第4期65-67,64,共4页Mechanics in Engineering

摘　　要：应用ANSYS有限元软件对浙江省拟建最高烟塔合一冷却塔的内力及线性稳定性进行了分析．计算表明,在72°风向角风压作用下在孔口附近产生局部屈曲,使临界风速急剧下降,而在孔口附近经局部加厚处理可消除局部屈曲现象．The commercial software ANSYS is used to analyze the stress and linear stability of the highest natural draft cooling tower with flue gas inlets integrated, which will be built in Zhejiang province. The phenomena of local instability around the hole is found and the critical wind speed decreases dramatically when the natural draft cooling tower is acted by a 72 degree wind load. This phenomena will disappear when the natural draft cooling tower is thickened around the hole.

关 键 词：冷却塔 有限元 线性稳定性 局部屈曲 

分 类 号：TM621[电气工程—电力系统及自动化]