Free convection heat transfer to non-Newtonian rheological dilatant fluids from a horizontal cylinder

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The object of this study is to investigate the laminar free convection heat transfer between a horizontal cylinder and non-Newtonian, rheological dilatant fluids. Surface boundary conditions considered are constant heat flux and isothermal. The cylindrical model employed in this investigation consisted of twenty aluminum segments each independently heated by resistance strips bonded to the interior surface. Concentrated corn starch suspensions in aqueous sucrose solutions are utilized as dilatant fluids in the experiment. Theoretical integral solutions are provided for power-law non-Newtonian fluids. Experimental free convection results are also compared with the integral solutions.

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Ph. D.

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