本文通过对汽液成核过程分子动力学模拟所得到的分子构形的分析,给出利用空间局域势能判别非液相空间的方法及其物理图象.该方法以示踪粒子势能为参量,以液相平均势能的二分之一为阈值,通过示踪粒子的势能分布判定非液相空间.该方法对二维和三维流体成核模拟中的空穴和汽泡均作出了合理判别.
参考文献
[1] | Sudeep Punnathanam;David S. Corti .Homogeneous Bubble Nucleation in Stretched Fluids: Cavity Formation in the Superheated Lennard-Jones Liquid[J].Industrial & Engineering Chemistry Research,2002(5):1113-1121. |
[2] | S. D. Lubetkin .The Fundamentals of Bubble Evolution[J].Chemical Society Reviews,1995(4):243-250. |
[3] | Chen M;Yang G;Guo Z Y .Molecular Simulation of Some Thermophysical Properties and Phenomena[J].Microscale Thermophysical Engineering,2001,5:1-16. |
[4] | Kinjo T.;Matsumoto M. .Cavitation processes and negative pressure[J].Fluid Phase Equilibria,1998(1/2):343-350. |
[5] | S. H. Park;J. G. Weng;C. L. Tien .A molecular dynamics study on surface tension of microbubbles[J].International Journal of Heat and Mass Transfer,2001(10):1849-1856. |
[6] | Maruyama S.Molecular Dynamics Method for Microscale Heat Transfer[M].Adv. in Numrical Heat Transfer Taylor & Francis; New York,2000 |
[7] | 王金照;陈民;过增元.液相中气相成核的分子动力学模拟[J].科学通报 |
[8] | Kusaka I;Oxtoby D W .Identifying Physical Clusters in Bubble[J].Journal of Chemical Physics,1999,111(03):1104-1108. |
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%