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ANALYSIS BY FINITE DIFFERENCES OF TRANSIENT STATE HEAT TRANSFER IN A WALL. ERROR EVALUATION AND GRID SELECTION.

ETUDE PAR DIFFERENCES FINIES DU TRANSFERT DE CHALEUR INSTATIONNAIRE DANS UN MUR. EVALUATION DES ERREURS ET CHOIX D'UN MAILLAGE.

Author(s) : ABGRALL M., PADET J.

Type of article: Article

Summary

THE AUTHORS STUDY TRANSIENT STATE HEAT TRANSFER IN A THREE-LAYER WALL, USING A MODEL WITH FINITE DIFFERENCES OF THE CRANK-NICHOLSON'S TYPE. A SPECIAL ANALYSIS OF CALCULATION ERRORS AT THE INPUT FACE AND AT THE INTERFACE SEPARATING TWO MEDIA LEADS THEM TO SUGGEST A SPACE-TIME GRID RESULTING IN MINIMUM ERRORS. FINALLY, THEY COMPARE THEIR RESULTS WITH THOSE GIVEN BY AN EXPLICIT METHOD FOR THE DETERMINATION OF THE RESPONSE FACTORS OF A BUILDING WALL.

Details

  • Original title: ETUDE PAR DIFFERENCES FINIES DU TRANSFERT DE CHALEUR INSTATIONNAIRE DANS UN MUR. EVALUATION DES ERREURS ET CHOIX D'UN MAILLAGE.
  • Record ID : 1983-1689
  • Languages: French
  • Source: Rev. gén. Therm. - vol. 21 - n. 252
  • Publication date: 1982

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