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Encrassement des échangeurs de chaleur. Une approche R&D pour de nouvelles ou conventionnelles conceptions.

Liquid-side fouling of heat exchangers. An integrated R&D approach for conventional and novel designs.

Auteurs : KARABELAS A. J., YIANTSIOS S. G., THONON B., GRILLOT J. M.

Type d'article : Article

Résumé

New fouling data are reported for plate heat exchangers (of two angles of corrugation, 30 and 60 deg) and particles of mean size approx. 5 micrometres. Fouling (under the test conditions) is adhesion controlled and the maximum measured resistance is almost an order of magnitude smaller than the TEMA recommendations. For a specific particle size, a distribution of adhesive strengths (rather than a single value) is obtained which is strongly influenced by pH and may be time-dependent for very small sizes. Various applications of the results are outlined.

Détails

  • Titre original : Liquid-side fouling of heat exchangers. An integrated R&D approach for conventional and novel designs.
  • Identifiant de la fiche : 1998-3432
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 17 - n. 8-10
  • Date d'édition : 08/1997

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