%0 Journal Article %1 Daniel2009Marangoni %A Daniel, T. A. M. %A von Arnim, Volkmar %A Mckinley, G. H. %A Hosoi, A. E. %D 2009 %J Journal of Fluid Mechanics %K 2009-apr-read-list convection marangoni superhydrophobicity %N -1 %P 101--123 %R 10.1017/S0022112008005053 %T Marangoni convection in droplets on superhydrophobic surfaces %U http://dx.doi.org/10.1017/S0022112008005053 %V 624 %X We consider a small droplet of water sitting on top of a heated superhydrophobic surface. A toroidal convection pattern develops in which fluid is observed to rise along the surface of the spherical droplet and to accelerate downwards in the interior towards the liquid/solid contact point. The internal dynamics arise due to the presence of a vertical temperature gradient; this leads to a gradient in surface tension which in turn drives fluid away from the contact point along the interface. We develop a solution to this thermocapillary-driven Marangoni flow analytically in terms of streamfunctions. Quantitative comparisons between analytical and experimental results, as well as effective heat transfer coefficients, are presented.

@article{Daniel2009Marangoni, abstract = {We consider a small droplet of water sitting on top of a heated superhydrophobic surface. A toroidal convection pattern develops in which fluid is observed to rise along the surface of the spherical droplet and to accelerate downwards in the interior towards the liquid/solid contact point. The internal dynamics arise due to the presence of a vertical temperature gradient; this leads to a gradient in surface tension which in turn drives fluid away from the contact point along the interface. We develop a solution to this thermocapillary-driven Marangoni flow analytically in terms of streamfunctions. Quantitative comparisons between analytical and experimental results, as well as effective heat transfer coefficients, are presented.}, added-at = {2009-06-26T20:06:47.000+0200}, author = {Daniel, T. A. M. and von Arnim, Volkmar and Mckinley, G. H. and Hosoi, A. E.}, biburl = {https://www.bibsonomy.org/bibtex/2cfc61a64532e15c608d5176c138c506f/ommachi}, citeulike-article-id = {4300379}, doi = {10.1017/S0022112008005053}, interhash = {be43b2ea2f9b26f2167ed1a4a4d21abc}, intrahash = {cfc61a64532e15c608d5176c138c506f}, journal = {Journal of Fluid Mechanics}, keywords = {2009-apr-read-list convection marangoni superhydrophobicity}, number = {-1}, pages = {101--123}, posted-at = {2009-04-11 12:40:58}, priority = {2}, timestamp = {2009-06-28T16:19:20.000+0200}, title = {Marangoni convection in droplets on superhydrophobic surfaces}, url = {http://dx.doi.org/10.1017/S0022112008005053}, volume = 624, year = 2009 }