Heat and mass transfer within an intensely heated concrete slab

Abraham Dayan, Emil L. Gluekler

Research output: Contribution to journalArticlepeer-review

Abstract

A model for the heat and mass transfer within a surface heated concrete slab has been developed. The concrete is treated as a porous material containing water, vapor and air. The solution of the problem for various temperature and heat flux boundary conditions has been obtained with an explicit numerical scheme. The results consist of temperature, pore pressure and moisture distributions as a function of time. The rate of steam release from the drying concrete is also calculated. The code predictions were successfully tested with preliminary experimental data. The results demonstrate the importance of the evaporation-recondensation mechanism in enhancing the rate of heat transfer.

Original languageEnglish
Pages (from-to)1461-1467
Number of pages7
JournalInternational Journal of Heat and Mass Transfer
Volume25
Issue number10
DOIs
StatePublished - Oct 1982

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