本文用MD(分子动力学)模拟方法对圆柱形纳米微孔中的Lennard-Jones流体的物理吸附平衡及界面现象进行了研究.模拟中引入新型势模型,采用了计数法计算平衡压力,预测了在不同孔径下(直径为3~5 nm)的吸附等温线,分析了毛细凝聚理论用于纳米微孔吸附的局限性.并比较了同一纳米尺度的窄缝形微孔和圆柱形微孔吸附的差异.
参考文献
[1] | Brian K Peterson;Jeremy P R B Walton;Keith E Cub bins .Fluid Behavior in Narrow Pores[J].Journal of the Chemical Society,Faraday Transactions,1986,82:1789. |
[2] | Yoshioka T.;Okazaki M.;Miyahara M. .CAPILLARY CONDENSATION MODEL WITHIN NANO-SCALE PORES STUDIED WITH MOLECULAR DYNAMICS SIMULATION[J].Journal of Chemical Engineering of Japan,1997(2):274-284. |
[3] | ALLEN M P;Tildesley D J.Computer Simulation of liquids[M].Oxford,U.S A:Oxford University Press,1987 |
[4] | M Miyahara;Y Yoshioka;M Okazaki .Determination of Adsorption Equilibra in Pores by Molecular Dynamics in a Unit Cell with Imaginary Gas Phase[J].Journal of Chemical Physics,1997,106(19):8124. |
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%