格子Boltzmann方法具有微介观的特性,能够自动捕捉和追踪界面,在多相流领域有广阔的应用前景.对于伴有气液相变的传热问题,格子Boltzmann方法已有模型较少,其中有一部分是通过质量变化间接反映相变过程,不能真实反映温度场的演化和影响.本文采用了模拟多相流动和分离的自由能模型,结合基于Stefan边界的相变传热模型,考虑壁面自由能对流体与壁面间润湿性的影响,模拟了静态接触角、过热壁面的气泡生长和脱离,并进行了更接近真实沸腾过程的随机生成气泡的模拟,以及流动沸腾的气泡生长和脱离的模拟.
参考文献
| [1] | Koji Kono;Tatsumi Ishizuka;Hiroshi Tsuda;Atsushi Kurosawa .Application of lattice Boltzmann model to multiphase flows with phase transition[J].Computer physics communications,2000(1/3):110-120. |
| [2] | Zhiqiang Dong;Weizhong Li;Yongchen Song .A numerical investigation of bubble growth on and departure from a superheated wall by lattice Boltzmann method[J].International Journal of Heat and Mass Transfer,2010(21/22):4908-4916. |
| [3] | Shuai Gong;Ping Cheng .A lattice Boltzmann method for simulation of liquid-vapor phase-change heat transfer[J].International Journal of Heat and Mass Transfer,2012(17/18):4923-4927. |
| [4] | Michael R. Swift;E. Orlandini;W. R. Osbom;J. M. Yeomans .Lattice Boltzmann simulations of liquid-gas and binary fluid systems[J].Physical review.E.Statistical physics, plasmas, fluids, and related interdisciplinary topics,1996(5):5041-5052. |
| [5] | Briant AJ.;Papatzacos P.;Yeomans JM. .Lattice Boltzmann simulations of contact line motion in a liquid-gas system[J].Philosophical transactions of the Royal Society. Mathematical, physical, and engineering sciences,2002(1792):485-495. |
| [6] | J. J. HUANG;C. SHU;Y. T. CHEW;H. W. ZHENG .NUMERICAL STUDY OF 2D MULTIPHASE FLOWS OVER GROOVED SURFACE BY LATTICE BOLTZMANN METHOD[J].International Journal of Modern Physics, C. Physics and Computers,2007(4):492-500. |
| [7] | Seungyeob Ryu;Sungho Ko .Direct numerical simulation of nucleate pool boiling using a two-dimensional lattice Boltzmann method[J].Nuclear engineering and design,2012(Jul.):248-262. |
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