Page 29 - 《真空与低温》2025年第4期
P. 29
444 真空与低温 第 31 卷 第 4 期
分层分布,且随着润湿性的增强,这种分层现象愈 rough morphology in heat and momentum exchange in nano-
发显著,同时更多流体分子会聚集在近壁面区域。 channel[J]. Applied Energy,2021,298:117183.
(3)壁面润湿性增强在微观上表现为壁面与流 [9] MARABLE D C, SHIN S, NOBAKHT A Y. Investigation
体相互作用力增强,一方面能够扩展温度充分发展 into the microscopic mechanisms influencing convective heat
transfer of water flow in graphene nanochannels[J]. Interna-
的区域范围,强化热传导过程,另一方面流体速度
tional Journal of Heat and Mass Transfer,2017,109:28−39.
峰值降低,流体流动阻力增大。因此,在实际工程
[10] MARTIN M G,SIEPMANN J I. Transferable potentials for
应用中需要兼顾润湿性对热传导和流动阻力的影
phase equilibria. 1. United-atom description of n-alkanes[J].
响,构建亲/疏水复合填料表面,实现宏观传热系数 The Journal of Physical Chemistry B,1998,102(14):2569−
的提高。 2577.
(4)增大壁面润湿性会导致通道内流体的速度 [11] SHAH M S,SIEPMANN J I,TSAPATSIS M. Transferable
滑移由正滑移向锁定边界条件过渡,增大流动阻力, potentials for phase equilibria. Improved united-atom descri-
同时降低温度阶跃长度,从而减小固液界面的传热 ption of ethane and ethylene[J]. AIChE Journal,2017,63(11):
热阻,强化通道内壁面向流体的导热过程。 5098−5110.
[12] ZHU A,ZHANG X,LIU Q,et al. A fully flexible potential
参考文献: model for carbon dioxide[J]. Chinese Journal of Chemical
Engineering,2009,17(2):268−272.
[1] 朱明,刘春江,袁希钢. 两种填料片表面润湿性能及其对
[13] NAKANISHI K,TOUKUBO K. Molecular dynamics stud-
CO 2 吸收传质的影响 [J]. 中国科学(化学),2012,42(3):
ies of Lennard-Jones liquid mixtures. V. Local composition
329−339.
in several kinds of equimolar mixtures with different combi-
[2] 詹高铭,植晓琴,滕艺璇,等. 低温流体在不同倾角填料表面
ning rule[J]. The Journal of Chemical Physics,1979,70(12):
的气液逆流特性理论研究 [J]. 低温工程,2024(3):1−7.
584−5850.
[3] GAO X,ZHAO S,CONG H,et al. Hydrophilic modification
[14] EGGIMANN B L,SUN Y,DEJACO R F,et al. Assessing
of packings for water distillation and its mass transfer perfor-
the quality of molecular simulations for vapor–liquid equi-
mance[J]. Chemical Engineering and Processing,2020,157:
libria:An analysis of the TraPPE database[J]. Journal of Che-
108130.
mical & Engineering Data,2020,65(3):1330−1344.
[4] 吕玥,殷勇高. 填料表面参数对 LiCl 溶液降膜润湿性的影
[15] SCHNEIDER T,STOLL E. Molecular-dynamics study of a
响 [J]. 东南大学学报(自然科学版),2020,50(5):889−895.
three-dimensional one-component model for distortive phase
[5] 扈诗语,植晓琴,顾陈杰,等. 精馏规整填料表面水与液氮
transitions[J]. Physical Review B,Condensed Matter,1978,
降膜流动特性对比研究 [J]. 低温工程,2022(5):41−47.
17(3):1302−1322.
[6] SUBRAMANIAN K,WOZNY G,VEDANTAM S. Analy-
[16] GRANICK S. Motions and relaxations of confined liquids[J].
sis of hydrodynamics of fluid flow on corrugated sheets of
Science,1991,253(5026):1374−1379.
packing[J]. International Journal of Chemical Engineering,
[17] PRIEZJEV N V. Effect of surface roughness on rate-depen-
2012(2):838965.
dent slip in simple fluids[J]. The Journal of Chemical Physics,
[7] WANG M,SUN H,CHENG L. Investigation of convective
2007,127(14):144708.
heat transfer performance in nanochannels with fractal Cantor
[18] 曹炳阳,陈民,过增元. 纳米通道滑移流动的分子动力学
structures[J]. International Journal of Heat and Mass Transfer,
研究 [J]. 工程热物理学报,2003,24(4):670−672.
2021,171:121086.
[8] YAO S,WANG J,LIU X. Role of wall-fluid interaction and (责任编辑:杨建斌)
引文信息:刘俊明,林文胜,许婧煊. 填料润湿性对 CH 4 -C 2 H 6 -CO 2 流动传热影响的分子动力学模拟[J]. 真空与低温,2025,
31(4):437−444.
LIU J M,LIN W S,XU J X. The effect of packing wettability on CH 4 -C 2 H 6 -CO 2 flow and heat transfer: A molecular dy-
namics study[J]. Vacuum and Cryogenics,2025,31(4):437−444.