Juan M. Gomba, Ph. D.

Fulbright Scholar at the University of California - Santa Barbara

Department of Mechanical Engineering
University of California, Santa Barbara
Santa Barbara, CA 93106-5070
Office: Room 2229 Engineering II Building
E-mail: jgomba*engineering.ucsb.edu (change '*' by 'at')

Current work

• Thermocapillary migration of droplets, in collaboration with George 'Bud' Homsy.

Recent Publications

• Editor's Picks:Influence of aspect ratio on vortex formation in X-junctions: Direct numerical simulations and eigenmode decomposition , P. G. Correa, J. M. Gomba, J. R. Mac Intyre, S. Ubal, C. A. Perazzo, H. Auradou, J. P. Hulin. Physics of Fluids 32, 124105 (2020)
• Cover of Volume 892:Contact line motion in axial thermocapillary outward flow , A. Dominguez Torres, J. R. Mac Intyre, J. M. Gomba, C. A. Perazzo, P. G. Correa, A. Lopez-Villa, A. Medina. Journal of Fluid Mechanics 892, A8 (2020)
• Invited paper (Giambiagi Mention 2019) : Driven droplets by thermocapillary effect: quadratic dependence of the surface tension on the temperature ,  J. R. Mac Intyre, J. M. Gomba, C. A. Perazzo. Anales de la Asociacion Fisica Argentina31(3),31, 107–111 (2020)
• Editor's Picks:Three-dimensional flow structures in X-junctions: effect of the Reynolds number and crossing angle , P. G. Correa, J. R. Mac Intyre, J. M. Gomba, M. Cachile, H. Auradou, J. P. Hulin. Physics of Fluids 31, 043606 (2019)
• Radial Imbibition in Paper under Temperature Differences , A. Lopez-Villa, A. Medina, F. J. Higuera, J. R. Mac Intyre, C. A. Perazzo, and J. M. Gomba. Fluids 4 (2), 86 (2019)
• Thermocapillary migration of droplets under molecular and gravitational forces , J. R. Mac Intyre, J. M. Gomba, Carlos Alberto Perazzo, P. G. Correa, M. Sellier. Journal of Fluid Mechanics 847, 1-27 (2018)
• The Three Dynamical Regimes of a Droplet Driven by Thermocapillarity. Mac Intyre JR, Gomba JM, Perazzo CA, Correa PG, Sellier M IUTAM bookseries on Recent Advances in Moving Boundary Problems in Mechanics 34, 85-95 (2018)
• Analytical solutions for the profile of two-dimensional droplets with finite-length precursor films, Carlos Alberto Perazzo, J. R. Mac Intyre, and J. M. Gomba. Phys. Rev. E 96, 063109 (2017)
• New analytical solutions for static two-dimensional droplets under the effects of long- and short-range molecular forces. J. R. Mac Intyre, J. M. Gomba, C. A. Perazzo. 1 Journal of Engineering Mathematics (Springer) 101, 55-69 (2016)
• Final state of a perturbed liquid film inside a container under the effect of solid-liquid molecular forces and gravity. C. A. Perazzo, J. R. Mac Intyre, J. M. Gomba. Phys. Rev. E 89, 043010 (2014)
• Closed-form expression for the profile of partially wetting two-dimensional droplets under gravity. J. M. Gomba, C. A. Perazzo. Phys. Rev. E 86, 056310, (2012)
• Stokes flow paths separation and recirculation cells in X-junctions of varying angle between straight channels. M. Cachile, L. Talon, J. M. Gomba, J. P. Hulin, and H. Auradou. letter to Physics of Fluids 647, 24, 021704 (2012)
• Thin film flows with moving contact lines: An approach to reducing the computing time. Gomba, J. M. Phys. Rev. E 85, 056701 (2012)
• Experimental and numerical studies at the intersection of millimetric channels. F. Etcheverry, J. M. Gomba, C. Wolluscheck, M. Cachile Journal of Physics C. S.296, 120121-1 120121-8, (2011).
• Regimes of thermocapillary migration of droplets under partial wetting conditions. Gomba, J. M. & Homsy, G. M. Journal of Fluid Mechanics 647, 125-142 (2010)
• Analytical Solutions for Partially Wetting Two-Dimensional Droplets. Gomba, J. M. & Homsy, G. M. Langmuir 25 (10), 5684–5691 (2009)
• Stability study of a constant-volume thin film flow. Gomba, J. M., Diez, J, Gratton, R., González, A. G., Kondic L. Physical Review E 76, 046308 (2007)
• Rupture of a fluid strip under partial wetting conditions. González, A. G., Diez J., Gratton, R., Gomba, J. M. EPL 77, 44001 (2007)
• Unstable spreading of a fluid filament on a vertical plane: Experiments and simulations. Diez, J, González, A. G., Gomba, J. M., Gratton, R., Kondic, L. Physica D 209, 49-61 (2005)
• Spreading of a micrometric fluid strip down a plane under controlled initial conditions. Gomba, J. M., Diez, J, González, A. G., y Gratton, R. Physical Review E 71, 016304 (2005)
• Spreading of a thin two-dimensional strip of fluid on a vertical plane: Experiments and modelling.González, A. G., Diez, J, Gomba, J. M., Gratton, R. y Kondic, L. Physical Review E 70, 026309 (2004)