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SIMULTANEOUS HEAT AND MASS TRANSFER IN CONSOLIDATED MATERIALS USED IN CIVIL ENGINEERING.

TRANSFERTS COUPLES DE CHALEUR ET DE MASSE DANS DES MATERIAUX CONSOLIDES UTILISES EN GENIE CIVIL.

Author(s) : PERRIN B., JAVELAS R.

Type of article: Article

Summary

THE METHOD OF MEASURING THE HUMIDITY IN THE MATERIALS BASED ON THE DETERMINATION OF THE THERMAL CONDUCTIVITY IS PRESENTED AND THE PRINCIPAL CHARACTERISTICS ARE ANALYZED. THE WATER DIFFUSION COEFFICIENTS DUE TO THE WATER CONTENT AND TEMPERATURE GRADIENTS ARE MEASURED AND UTILIZED IN THE NUMERICAL CALCULATION. THE AUTHORS NOTED THE DIFFICULTY OF DESCRIBING THE SUPERFICIAL MASS TRANSFER WITH A SINGLE COEFFICIENT FUNCTION OF THE HEAT TRANSFER COEFFICIENT. THEY PRESENT SOME ENTHALPIC BALANCE WHICH PROVES OF INTEREST IN TAKING INTO ACCOUNT THE PRESENCE OF HUMIDITY IN WALLS OF BUILDINGS.

Details

  • Original title: TRANSFERTS COUPLES DE CHALEUR ET DE MASSE DANS DES MATERIAUX CONSOLIDES UTILISES EN GENIE CIVIL.
  • Record ID : 1988-0070
  • Languages: French
  • Source: International Journal of Heat and Mass Transfer - vol. 30 - n. 2
  • Publication date: 1987

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