实验和数值研究玻璃熔体的自然对流  

Experimental and Numerical Investigation of Natural convection Patterns in Glass Melts

作　　者：祁建伟[1] 胡桅林[1] 过增元[1] 

机构地区：[1]清华大学工程力学系

出　　处：《玻璃与搪瓷》1995年第5期1-6,12,共7页Glass & Enamel

基　　金：国家自然基金和4400厂对本研究工作的资助

摘　　要：实验和数值研究玻璃熔体的自然对流祁建伟，胡桅林，过增元（清华大学工程力学系１０００８４）ＥｘｐｅｒｉｍｅｎｔａｌａｎｄＮｕｍｅｒｉｃａｌＩｎｖｅｓｔｉｇａｔｉｏｎｏｆＮａｔｕｒａｌｃｏｎｖｅｃｔｉｏｎＰａｔｔｅｒｎｓｉｎＧｌａｓｓＭｅｌｔｓ￥ＱｉＪｉ...Natural convection in a rectangular two dimensional enclosure representative of the longitudinal section of a 1:20 scale glycerine laboratory model of an industrial glass melting furnace has been caloulated using SIMPLEC method.The computational method was tested by comparison with measurements of the temperatures and velocities under two kinds of thermal boundary conditins.Good agreement was obtained between measurements and computations.However,the effects of the sidewall heat losses would cause three dimensional effects which had a major influence on the longitudinal flow and heat transfer.

关 键 词：玻璃 熔体 玻璃熔窑 

分 类 号：TQ171.623[化学工程—玻璃工业]