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根据体积平均理论,建立多孔介质中融化相变过程自然对流模型.数值模拟了以石英砂颗粒为骨架、冰为填充相的二维融化过程.数值结果表明,在融化区上部发生较强烈的自然对流,融化界面与水平线倾角随融化时间越来越大.

参考文献

[1] V R Voller;C Prakash .A Fixed-Grid Numerical Modeling Methodology for Convection-Diffusion Mushy Region Phase-Change Problems[J].International Journal of Heat and Mass Transfer,1987,30(08):1709-1720.
[2] Y. C. Chen;J. N. Chung;C. S. Wu;Y. F. Lue .Non-Darcy mixed convection in a vertical channel filled with a porous medium[J].International Journal of Heat and Mass Transfer,2000(13):2421-2429.
[3] Abdulagatov IM.;Tsomaeva TA.;Gairbekov KA.;Askerov SY. Magomedova NA.;Emirov SN. .Thermal conductivity of fused quartz and quartz ceramic at high temperatures and high pressures[J].The journal of physics and chemistry of solids,2000(5):779-787.
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