%0 Journal Article %1 Figueroa-Espinoza20106296 %A Figueroa-Espinoza, B. %A Legendre, D. %D 2010 %J Chemical Engineering Science %K 2010 Bubble BubbleDeformation FluidMechanics Heat/MassTransfer MultiphaseFlow NumericalSimulation from:erick007 %N 23 %P 6296-6309 %R 10.1016/j.ces.2010.09.018 %T Mass or heat transfer from spheroidal gas bubbles rising through a stationary liquid %U https://www.scopus.com/inward/record.uri?eid=2-s2.0-77957913156&doi=10.1016%2fj.ces.2010.09.018&partnerID=40&md5=23d99601820696e7083a00169c12c7bf %V 65 %X Mass transfer was studied for the case of a spheroidal bubble rising through a stationary liquid. A numerical code that solves the Navier-Stokes equations and the diffusion-advection equation for the concentration was used to characterize the transfer from the bubble to the surrounding liquid phase. Simulations were carried over systematically for Reynolds number ranging from 1 to 1000, Schmidt numbers from 1 to 500 and bubble aspect ratio from 1 to 3. It appears that the use of the equivalent diameter as the characteristic length is the more appropriate to describe the transfer. The effect of bubble aspect ratio on the Sherwood number has been analyzed. At first order the extension of Boussinesq expression using the equivalent diameter can be used for practical purposes. The evolution of the correction factor that compares the Sherwood number to the one of a sphere with same equivalent Peclet number is presented and described using simple correlations. The implementation of these results into Euler-Euler simulations of mass transfer is discussed. It appears that the modification of the interfacial area combined to the modification of the Sherwood number gives a significant contribution to the interfacial source term in the equation of the concentration. Note that the results can also be considered for heat transfer and used for inviscid drops. © 2010 Elsevier Ltd.

@article{Figueroa-Espinoza20106296, abbrev_source_title = {Chem. Eng. Sci.}, abstract = {Mass transfer was studied for the case of a spheroidal bubble rising through a stationary liquid. A numerical code that solves the Navier-Stokes equations and the diffusion-advection equation for the concentration was used to characterize the transfer from the bubble to the surrounding liquid phase. Simulations were carried over systematically for Reynolds number ranging from 1 to 1000, Schmidt numbers from 1 to 500 and bubble aspect ratio from 1 to 3. It appears that the use of the equivalent diameter as the characteristic length is the more appropriate to describe the transfer. The effect of bubble aspect ratio on the Sherwood number has been analyzed. At first order the extension of Boussinesq expression using the equivalent diameter can be used for practical purposes. The evolution of the correction factor that compares the Sherwood number to the one of a sphere with same equivalent Peclet number is presented and described using simple correlations. The implementation of these results into Euler-Euler simulations of mass transfer is discussed. It appears that the modification of the interfacial area combined to the modification of the Sherwood number gives a significant contribution to the interfacial source term in the equation of the concentration. Note that the results can also be considered for heat transfer and used for inviscid drops. © 2010 Elsevier Ltd.}, added-at = {2021-06-02T06:58:23.000+0200}, affiliation = {Instituto de Ingeniería, Universidad Nacional Autónoma de México, Campus Mérida, 97100 Mérida, Yucatán, Mexico; Université de Toulouse; INPT, UPS; IMFT (Institut de Mécanique des Fluides de Toulouse), Allée Camille Soula, F-31400 Toulouse, France; CNRS, IMFT, F-31400 Toulouse, France}, author = {Figueroa-Espinoza, B. and Legendre, D.}, author_keywords = {Bubble; Bubble deformation; Fluid mechanics; Heat/mass transfer; Multiphase flow; Numerical simulation}, biburl = {https://www.bibsonomy.org/bibtex/2961730c4858502655c9096b23650d0ef/publ_del_lipc}, coden = {CESCA}, correspondence_address1 = {Legendre, D.; Université de Toulouse; INPT, , F-31400 Toulouse, France; email: dominique.legendre@imft.fr}, document_type = {Article}, doi = {10.1016/j.ces.2010.09.018}, interhash = {8064af50eb5b9ddd2d2debe2b4e943e2}, intrahash = {961730c4858502655c9096b23650d0ef}, issn = {00092509}, journal = {Chemical Engineering Science}, keywords = {2010 Bubble BubbleDeformation FluidMechanics Heat/MassTransfer MultiphaseFlow NumericalSimulation from:erick007}, language = {English}, number = 23, pages = {6296-6309}, source = {Scopus}, timestamp = {2021-06-23T06:30:35.000+0200}, title = {Mass or heat transfer from spheroidal gas bubbles rising through a stationary liquid}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-77957913156&doi=10.1016%2fj.ces.2010.09.018&partnerID=40&md5=23d99601820696e7083a00169c12c7bf}, volume = 65, year = 2010 }