Review of Heat Transfer Parameters of Serrated Plat e Fin Heat Exchanger for Different Materials

Abstract

The heat transfer and flow friction characteristics of plate fin surfaces are presented in terms of the Colburn factor j and the Fanning friction factor f verses Rey nolds number Re, the relationships being different for different surfaces. The laminar flow model predicts j and f values at low Reynolds number; the data is throughout the range of interest. Ve locity, and temperature fields have been computed and j and f factors determined over appropriate r ange of Reynolds number and geometric dimensions. For this work I have designed heat exchange r according to procedure of design of serrated plate fin heat exchanger [11], correlation used for finding various heat transfer parameters having Reynolds number less than 200 [6]. Experimental s etup was manufactured using calculated parameters of design. On this setup readings were ta ken by varying flow rate of hot oil, at constant air for different temperatures of selected material s. After getting readings calculations were done for heat transfer parameters like Reynolds number, Colburn factor and Fanning f riction factor.