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PROBLEMS IN THE FREEZING OF POROUS MEDIA.

PROBLEMES DE CONGELATION DES MILIEUX DISPERSES.

Author(s) : AGUIRRE-PUENTE J.

Type of article: Article

Summary

THIS A REVIEW OF THE FREEZING PROBLEMS OF POROUS MEDIA. THE PAPER DESCRIBES THE MICROSCOPIC FREEZING MECHANISM INVOLVING FOUR STAGES: SOLID MATRIX, WATER, AIR AND ICE AND THEIR INTERFACES ; IT STUDIES THE BEHAVIOUR OF A MODEL, THE CAPILLARY MODEL ; THEN OF A SPECIFIC MODEL (VERY SMALL SPHERICAL PARTICLE LOCATED ABOVE A FREEEZING FRONT PROGRESSING IN WATER), AND A MEMBRANE MODEL. MACROSCOPIC STUDIES DEAL WITH SOIL FREEZING, FROM WHICH A POLICY CAN BE DRAWN FOR DESIGNING AND MAINTAINING ROADWAYS IN FRANCE, WITH ROCK FREEZING (TEST STUDY, PHYSICAL MECHANISM OF GELIFRACTION), WITH THE FREEZING OF AQUEOUS SUSPENSIONS AND WITH THE FREEZING OF BIOLOGICAL TISSUES (INCLUDING FREEZE-DRYING AND CRYOCONCENTRATION).L A.G.

Details

  • Original title: PROBLEMES DE CONGELATION DES MILIEUX DISPERSES.
  • Record ID : 1981-1102
  • Languages: French
  • Source: Rev. gén. Therm. - vol. 19 - n. 228
  • Publication date: 1980/12

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