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MODELING OF MULTIPHASE DISPERSED SYSTEMS-STATE OF THE ART AND FUTURE DIRECTIONS

DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhen.190
20 pages

Harold R. Jacobs
University of Utah, Salt Lake City, Utah; Colorado State University, Fort Collins; Department of Mechanical Engineering The Pennsylvania State University University Park, PA

Аннотация

Modeling of multiphase fluid systems where one fluid is dispersed can be achieved using either Lagrangian-Eulerian formulations or formulations based on time averaging and volume averaging. Both formulations suffer from lack of physical based interfacial coefficents for the range of holdup common for many operating systems. This is particularly true for liquid-liquid systems which are ideally operated close to the flooding limit for either mass transfer or heat transfer applications. Herein the state of the art and developments in progress to provide better tools for interfacial coefficients and to predict drop agglomeration or breakup are discussed.

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