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Page d'accueil ICHMT DL Année en cours Archives Comité de direction Centre international pour le transfert de chaleur et de masse


DOI: 10.1615/ICHMT.2009.CONV.120
9 pages

Laboratoire LSPC,University Institute of Technology of Rouen , 76821 Rouen cedex, France

Fatima Kadour
Laboratoire LSPC, Université de Rouen, 76821 Rouen cedex, France

Dominique Seguin
Normandie Université LSPC, EA4704, Université/ INSA Rouen, 685 Avenue de l'université, BP 08, 76801 Saint-Etienne-du-Rouvray, France

Nordine Mouhab
Laboratoire LSPC Université de Rouen, 76821 Rouen cedex, France


In this paper, a recent steady state method based on the thermal convexity of the heat exchangers is investigated. This method is based on the assessment of the steady state convexity coefficients for both fluids along a tubular heat exchanger. Analytical expressions of the thermal convexity coefficients for both fluids are presented. These coefficients are assessed for different values of the thermal rate ration. This method gives a complementary approach to the well-known procedures for sizing and rating heat exchangers in industrial applications like LMTD and ε-NTU methods.

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