By Patrick H. Oosthuizen
Natural Convective warmth move from brief vulnerable Cylinders examines a warmth move scenario of important, functional value no longer effectively handled in latest textbooks or in any extensively to be had overview papers. particularly, the booklet introduces the reader to contemporary reviews of usual convection from brief cylinders fixed on a flat insulated base the place there's an “exposed” top floor. the writer considers the results of the cylinder cross-sectional form, the cylinder inclination perspective, and the length-to-cross sectional dimension of the cylinder. either numerical and experimental reports are mentioned and correlation equations according to the result of those stories are reviewed. This booklet is perfect for pros concerned with thermal administration and comparable platforms, researchers, and graduate scholars within the box of normal convective warmth move, teachers in graduate point classes in convective warmth transfer.
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Extra resources for Natural Convective Heat Transfer from Short Inclined Cylinders
The vertical side surfaces and the exposed top surface are all at P. H. Oosthuizen, A. Y. 1007/978-3-319-02459-2_3, © The Author(s) 2014 51 52 3 Natural Convective Heat Transfer From Short Square Cylinders . . Fig. 1 Flow situation considered (Oosthuizen 2008, ASME Paper HT2008-56025. By permission) the same uniform temperature. A numerical study of this situation based on that described by Oosthuizen (2008) will be discussed in this section. 2 Solution Procedure The flow has been assumed to be symmetrical about the two vertical center planes, CBIRSLQCB and EFOTSLMEF, shown in Fig.
4 Concluding Remarks The results given in this section indicate that: 1. For an upward pointing cylinder with an exposed upper surface the mean Nusselt number for the heated top horizontal surface is much lower than that for the heated vertical side surface. This, together with the fact that the area of the top surface at the lower values of Rd considered is much less than the area of the side surface, means that the heated side surface is dominant in determining the overall mean Nusselt number.
This indicated that the uncertainty in the measured Nusselt number was less than ± 12 %. 1. 12 shows a typical comparison between the experimental results and the Nusselt number variations given by using the correlation equations based on the numerical results that were discussed in the previous section. It will be seen that the experimental results agree with those determined using the numerical results to within the experimental uncertainty. 4 Concluding Remarks The results given in this section indicate that: 1.
Natural Convective Heat Transfer from Short Inclined Cylinders by Patrick H. Oosthuizen