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Chute de pression due au frottement d'un nanofluide fondé sur un frigorigène en ébullition en écoulement à l'intérieur d'un tube lisse horizontal : mesures et corrélation.

Measurement and correlation of frictional pressure drop of refrigerant-based nanofluid flow boiling inside a horizontal smooth tube.

Auteurs : PENG H., DING G., JIANG W., et al.

Type d'article : Article, Article de la RIF

Résumé

The objective of this paper is to investigate the effect of nanoparticle on the frictional pressure drop characteristics of refrigerant-based nanofluid flow boiling inside a horizontal smooth tube, and to present a correlation for predicting the frictional pressure drop of refrigerant-based nanofluid. R113 refrigerant and CuO nanoparticle were used for preparing refrigerant-based nanofluid. Experimental conditions include mass fluxes from 100 to 200 kg/m2.s, heat fluxes from 3.08 to 6.16 kW/m2, inlet vapour qualities from 0.2 to 0.7, and mass fractions of nanoparticles from 0 to 0.5 wt%. The experimental results show that the frictional pressured drop of refrigerant-based nanofluid increases with the increase of the mass fraction of nanoparticles, and the maximum enhancement of frictional pressure drop is 20.8% under above conditions. A frictional pressure drop correlation for refrigerant-based nanofluid is proposed, and the predictions agree with 92% of the experimental data within the deviation of plus or minus 15%.

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Pages : pp. 1756-1764

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Détails

  • Titre original : Measurement and correlation of frictional pressure drop of refrigerant-based nanofluid flow boiling inside a horizontal smooth tube.
  • Identifiant de la fiche : 2009-1933
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 7
  • Date d'édition : 11/2009

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