气膜厚度对反气泡稳定性的影响  

Influence of gas film thickness on stability of antibubbles

作　　者：安骥[1] 何随龙 王鑫 陈磊[1] 李根 郑洪 AN Ji;HE Suilong;WANG Xin;CHEN Lei;LI Gen;ZHENG Hong(Merchant Marine College,Shanghai Maritime University,Shanghai 201306,China)

机构地区：[1]上海海事大学商船学院

出　　处：《上海海事大学学报》2020年第1期111-115,共5页Journal of Shanghai Maritime University

摘　　要：为观察气膜厚度对反气泡稳定性的影响,通过加热反气泡内外溶液来加热气膜内气体从而改变气膜厚度。实验发现:在一定温度范围内,加热反气泡气膜可以延长其稳定时间,但是当加热反气泡气膜使其厚度超过其稳定存在的阈值时,反气泡的稳定性会急剧下降甚至无法产生反气泡;在一定温度范围内温度对溶液表面张力影响很小,这使得文中实验数据合理化。本文为反气泡稳定性的理论研究提供实验支持,并考虑到气膜厚度为微米级,可为微米级气膜传热提供实验素材。In order to observe the influence of the thickness of the gas film on the antibubble stability,the gas inside the gas film is heated by heating the liquid inside and outside the antibubbles to change the gas film thickness.It is found that:heating the antibubble film can prolong its stability time in a certain temperature range,but when the thickness of the heated antibubble film exceeds the threshold of its stability,the stability of the antibubbles drops sharply,or even antibubbles cannot be generated;the temperature has little effect on the liquid surface tension in a certain temperature range,which makes the experimental data reasonable.This study can provide experimental support for the theoretical study of antibubble stability.For the thickness of the gas film of the antibubble is in micron grade,it can provide experimental material for the heat transfer of the micron grade gas film.

关 键 词：反气泡 气膜厚度 稳定时间 气膜传热 

分 类 号：TH138[机械工程—机械制造及自动化]