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A CONTINUUM MODEL FOR THE PROPAGATION OF DISCRETE PHASE-CHANGE FRONTS IN POROUS MEDIA IN THE PRESENCE OF COUPLED HEAT FLOW, FLUID FLOW AND SPECIES TRANSPORT PROCESSES.

Author(s) : KECECIOGLU I., RUBINSKY B.

Type of article: Article

Summary

THE AUTHORS DERIVE THE EQUATIONS GOVERNING THE TRANSPORTOF ENERGY AND MASS IN A POROUS MEDIUM SATURATED BY A MULTIPHASE MULTICONSTITUENT FLUID MIXTURE UNDER CONDITIONS THAT YIELD STEEP CONTINUOUS MOVING FRONTS AND ABRUPT DISCONTINUOUS MOVING PHASE-CHANGE INTERFACES. IN THESE EQUATIONS THE VOLUME FRACTIONS OF EACH PHASE, THE TEMPERATURE, PRESSURE AND CONCENTRATION, AND THE CORRESPONDING FLUXES, ARE PERMITTED TO JUMP IN VALUE ACROSS THE PHASE-CHANGE INTERFACES. AS AN EXAMPLE, THE AUTHORS SPECIALIZE THE THEORY TO THE PROBLEM OF PROPAGATION OF MELTING/FREEZING INTERFACES IN A SALT-WATER SATURATED POROUS MEDIUM FOR A COUPLED PROCESS GOVERNED BY HEAT FLOW, FLUID FLOW AND SPECIES TRANSPORT.

Details

  • Original title: A CONTINUUM MODEL FOR THE PROPAGATION OF DISCRETE PHASE-CHANGE FRONTS IN POROUS MEDIA IN THE PRESENCE OF COUPLED HEAT FLOW, FLUID FLOW AND SPECIES TRANSPORT PROCESSES.
  • Record ID : 1989-2189
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 32 - n. 6
  • Publication date: 1989

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