Interaction of Marangoni convection with mass transfer effects at droplets

B. Arendt; R. Eggers

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Interaction of Marangoni convection with mass transfer effects at droplets

机译：Marangoni对流与液滴传质效应的相互作用

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For the system water-acetone-toluene the mass transfer is measured up to a pressure of 200 bar at a constant temperature of 20℃ for two different concentrations at quiescent pendant droplets. The measurements are compared to empirical predictions. The influence of a surfactant is investigated. A three-mode magnetic suspension balance is used to measure the transfer. Additionally, a Schlieren optic is applied to visualise the convection. Only in case of the transfer direction from the droplet into the continuous phase Marangoni convection is detected. A good agreement of measurement and evaluation is achieved. The surfactant damps the interfacial convection.

机译：对于系统水-丙酮-甲苯，在静态悬垂液滴上，在两种不同浓度下，在20℃的恒定温度下测量的传质压力高达200 bar。将测量结果与经验预测进行比较。研究了表面活性剂的影响。三模式磁悬浮天平用于测量传递。此外，还应用了Schlieren光学器件以可视化对流。仅在从液滴到连续相Marangoni对流的转移方向被检测到的情况下。实现了测量和评估的良好协议。表面活性剂减弱了界面对流。

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来源
《International Journal of Heat and Mass Transfer》 |2007年第14期|p. 2805-2815|共11页
作者
B. Arendt; R. Eggers;
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作者单位

Department of Thermal Separation Processes, Heat and Mass Transfer, Hamburg University of Technology, 21071 Hamburg, Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
关键词
marangoni convection; mass transfer; droplet; surfactant;

机译：马朗戈尼对流;传质;液滴;表面活性剂;

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2. A numerical parameter study on the impact of Marangoni convection on the mass transfer at buoyancy-driven single droplets [J] . M. Wegener International Journal of Heat and Mass Transfer . 2014,第apra期

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3. The impact of Marangoni convection on fluid dynamics and mass transfer at deformable single rising droplets - A numerical study [J] . Roland F. Engberg, Mirco Wegener, Eugeny Y. Kenig Chemical Engineering Science . 2014,第Null期

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4. Numerical investigation of surface-tension-driven convection in a liquid droplet (on the effects of Marangoni number and Prandtl number) [C] . Akiyoshi Kuroda, Hiroki Yamagami, Yuichiro Tsuda, 日本伝熱シンポジウム . 1999

机译：液滴中表面张力驱动对流的数值研究（Marangoni号码和Prandtl号的影响）
5. Experimental and numerical study of marangoni convection in a sandwiched droplet [D] . Shetye, Ajinkya Shrikrishna. 2016

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6. On the Influence of Soret and Dufour Effects on MHD Free Convective Heat and Mass Transfer Flow over a Vertical Channel with Constant Suction and Viscous Dissipation [O] . Ime Jimmy Uwanta, Halima Usman 2014

机译：Soret和Dufour效应对恒定吸力和粘性耗散的垂直通道上MHD自由对流传热和传质的影响
7. Numerical Investigation on MHD Marangoni Convective Flow of Nanofluid through a Porous Medium with Heat and Mass Transfer Characteristics [O] . K. Venkateswara Raju, P. Durga Prasad, M. C. Raju`, 2018

机译：多孔介质与热传质介质MHD MARANGONI对流流动的数值研究
8. Initial Flow Development Due to Marangoni Convection in a Mass Transfer System [R] . Dijkstra, H. A., Vandevooren, A. I. 1984

机译：由于marangoni对流传质系统的初始流动发展

Interaction of Marangoni convection with mass transfer effects at droplets

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