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DETERMINATION OF POROUS MEDIA THERMAL PARAMETERS: OPTIMIZATION OF . IN SITU > MEASUREMENT TOOLS.

EVALUATION DES PARAMETRES THERMIQUES D'UN MILIEU POREUX : OPTIMISATION D'OUTILS DE MESURE . IN SITU >.

Author(s) : LAURENT J. P.

Type of article: Article

Summary

A SYNTHETIC PRESENTATION OF THE DIFFERENT METHODS OF MEASURING IN A TRANSIENT WAY THE THERMAL PARAMETERS WITH < THERMAL SHOCK PROBES > IS MADE BY USING THE POINT OF VIEW OF SYSTEMS DYNAMICS. THE CORRESPONDING HEAT TRANSFER MODELS AND THE ASSOCIATED IDENTIFICATION TECHNIQUES ARE DESCRIBED. PARTICULAR ATTENTION IS FOCUSED ON THE INFLUENCE OF A THERMAL CONTACT RESISTANCE BETWEEN THE PROBE AND THE MATERIAL. A METHOD TO STUDY THIS PROBLEM IS PROPOSED. USING PROBES WITH VERY LOW THERMAL INERTIA IS PARTICULARLY WELL ADAPTED TO . IN SITU > MEASUREMENT. INDICATIONS ARE GIVEN ON THE REALIZATION OF THIS TYPE OF PROBE, THEIR CONDITIONS OF PRACTICAL USE AND THE ESTIMATION OF THEIR PERFORMANCES.

Details

  • Original title: EVALUATION DES PARAMETRES THERMIQUES D'UN MILIEU POREUX : OPTIMISATION D'OUTILS DE MESURE . IN SITU >.
  • Record ID : 1990-0400
  • Languages: French
  • Source: International Journal of Heat and Mass Transfer - vol. 32 - n. 7
  • Publication date: 1989

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