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Titlebook: Natural Convective Heat Transfer from Horizontal and Near Horizontal Surfaces; Patrick H. Oosthuizen,Abdulrahim Y. Kalendar Book 2018 The

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发表于 2025-3-21 17:03:26 | 显示全部楼层 |阅读模式
书目名称Natural Convective Heat Transfer from Horizontal and Near Horizontal Surfaces
编辑Patrick H. Oosthuizen,Abdulrahim Y. Kalendar
视频video
概述Considers situations where the surface from which the heat transfer is occurring has a complex shape and where the surface is inclined at a relatively small angle to the horizontal.Explains methods of
丛书名称SpringerBriefs in Applied Sciences and Technology
图书封面Titlebook: Natural Convective Heat Transfer from Horizontal and Near Horizontal Surfaces;  Patrick H. Oosthuizen,Abdulrahim Y. Kalendar Book 2018 The
描述.This book deals with a natural convective heat transfer situation of significant practical importance that has not been adequately dealt with in existing texts or widely available review papers: natural convective heat transfer from horizontal and near horizontal surfaces. The aim is to provide the reader with an understanding of past studies of natural convective heat transfer from horizontal surfaces and a more detailed review of contemporary studies. The more recent work deals with heat transfer from surfaces that have more complex shapes than previously considered, with heat transfer in situations in which laminar, transitional, and turbulent flow occur; in situations where the surface is inclined at a relatively small angle to the horizontal; and in situations where there is a covering surface above the heated surface. The authors further present methods for predicting heat transfer rates in all of the situations..
出版日期Book 2018
关键词Natural convection; Horizontal surfaces; Inclined surfaces; Square surfaces; Circular surfaces; Complex s
版次1
doihttps://doi.org/10.1007/978-3-319-78750-3
isbn_softcover978-3-319-78749-7
isbn_ebook978-3-319-78750-3Series ISSN 2191-530X Series E-ISSN 2191-5318
issn_series 2191-530X
copyrightThe Author(s) 2018
The information of publication is updating

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发表于 2025-3-21 21:44:46 | 显示全部楼层
Natural Convective Heat Transfer from Horizontal Isothermal Circular, Square, Two-Dimensional, and rectangular surface for the various aspect ratio values considered have been expressed in terms of Nusselt and Rayleigh numbers based on the characteristic length and the variations obtained for all aspect ratios considered are shown to be effectively the same in the laminar and fully turbulent flow regions.
发表于 2025-3-22 03:42:19 | 显示全部楼层
Natural Convective Heat Transfer from Upward Facing Horizontal Plane Surfaces of Complex Shape, are expressed in terms of Nusselt numbers and Rayleigh numbers based on the characteristic length, then the variations of Nusselt number and Rayleigh number for all the surface shapes are essentially the same in the laminar and the fully turbulent flow regions.
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发表于 2025-3-22 08:42:43 | 显示全部楼层
Introduction,he use of a characteristic length is then given. It is explained that if this characteristic length is used in defining the Nusselt and Rayleigh numbers, then the same relationship between the Nusselt number and the Rayleigh number will be obtained for all the surface shapes in a given type of flow situation.
发表于 2025-3-22 16:57:48 | 显示全部楼层
发表于 2025-3-22 18:12:35 | 显示全部楼层
Recessed and Protruding Heated Horizontal Surfaces,nding adiabatic surface the height to which the heated surface protrudes has only a very small effect on the heat transfer rate. However, the results also show that when the heated surface is recessed into the surrounding adiabatic surface the depth to which the surface is recessed has quite a significant effect on the heat transfer rate.
发表于 2025-3-22 23:22:58 | 显示全部楼层
发表于 2025-3-23 02:34:51 | 显示全部楼层
Inclined and Adjacent Square Isothermal Heated Surfaces, has a relatively small effect on the heat transfer rates from the two heated surfaces. The results also indicate that the form of the variation of the mean heated surface Nusselt number with the dimensionless gap between the horizontal surfaces is strongly dependent on the Rayleigh number value.
发表于 2025-3-23 07:28:55 | 显示全部楼层
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