三维数值研究了零重力时水平温度梯度作用下,B2O3封闭液与InP熔液组成的双层流体系统在水平磁场作用下的热毛细对流.结果显示,当磁场强度较小时,上层流体中对流涡的结构变化其微,而下层流体中的逆对流涡得到了抑制;随着磁场的增强,温度场分布逐渐趋于均匀,涡量强度逐渐减小,表明热毛细对流强度逐步地得到削弱.当磁场增强列Bx=0.4 T时,上层流体中的对流涡较均匀地充满上层流体区,而下层流体中对流涡紧贴着交界面.
参考文献
[1] | Morthland T E;Walker J S .Magnetically Damped Thermocapillary Convections in Fluid Layers in Microgravity[AIAA 98-0653][R].,1998. |
[2] | Yildiz E;Dost S;Yildiz M .A numerical simulation study for the effect of magnetic fields in liquid phase diffusion growth of SiGe single crystals[J].Journal of Crystal Growth,2006(2):497-511. |
[3] | Valentín de Pablo;Damián Rivas .Effect of an axial magnetic field on the flow pattern in a cylindrical floating zone[J].Advances in Space Research: The Official Journal of the Committee on Space Research(COSPAR),2005(1):48-56. |
[4] | Mingwei Li;Chunmei Liu;Pingqing Wang .Numerical simulation of LEC growth of InP crystal with an axial magnetic field[J].International Journal of Heat and Mass Transfer,2006(9/10):1738-1746. |
[5] | Schenkel T.Hermische Convection in Einem Zweichichtsystem Bei Hoerizontalem Temperaturegradienten[M].Germany,Karlsruhe:Karlsruhe University,2002 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%