Forced Convection: Heat Transfer from Copper Cylinders to Air
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چکیده
Three copper cylinders of diameter 1/4”, 3/8” and1/2” were heated and then immersed in an air stream flowing through a cylindrical pipe. The temperature change of the cylinders with respect to time was measured at different air flow rates. With this data, the Nusselt, Reynolds and Prandtl numbers were calculated and correlated. This correlation was compared to ones established by Sherwood-Pigford 1 and McAdams 2. The analysis of the data showed that an increase in Reynolds number corresponded to an increase in Nusselt number. This conclusion was confirmed by theory established by previous experimental work. The experimental findings deviated from the correlations by 17.06% for the small cylinder, 10.02% for the medium cylinder, and 8.25% for the large cylinder. Section Pages Introduction 1
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تاریخ انتشار 2005