Numerical and Experimental Studies of the Natural Convection Within a Horizontal Cylinder PDF Download
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Author: Roger Bell Stewart
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 72
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Book Description
Author: Roger Bell Stewart
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 72
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Book Description
Author: Roger Bell Stewart
Publisher:
ISBN:
Category : Boundary value problems
Languages : en
Pages : 258
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Book Description
Author: Patrick H. Oosthuizen
Publisher: Springer Science & Business Media
ISBN: 3319024590
Category : Science
Languages : en
Pages : 133
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Book Description
Natural Convective Heat Transfer from Short Inclined Cylinders examines a heat transfer situation of significant, practical importance not adequately dealt with in existing textbooks or in any widely available review papers. Specifically, the book introduces the reader to recent studies of natural convection from short cylinders mounted on a flat insulated base where there is an “exposed” upper surface. The author considers the effects of the cylinder cross-sectional shape, the cylinder inclination angle, and the length-to-cross sectional size of the cylinder. Both numerical and experimental studies are discussed and correlation equations based on the results of these studies are reviewed. This book is ideal for professionals involved with thermal management and related systems, researchers, and graduate students in the field of natural convective heat transfer, instructors in graduate level courses in convective heat transfer.
Author: Sandra K. S. Boetcher
Publisher: Springer
ISBN: 3319081322
Category : Science
Languages : en
Pages : 57
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Book Description
This book presents a concise, yet thorough, reference for all heat transfer coefficient correlations and data for all types of cylinders: vertical, horizontal, and inclined. This book covers all natural convection heat transfer laws for vertical and inclined cylinders and is an excellent resource for engineers working in the area of heat transfer engineering.
Author: Carol Elizabeth Stephens
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 254
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Book Description
Author: Roger Bell Stewart
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 258
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 892
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Book Description
Author: Thamir R. Al-Alusi
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 448
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Book Description
Convection heat transfer was experimentally investigated for two different geometries. One case had three horizontal cylinders in a vertical plane placed between two vertical walls. The second case had three horizontal cylinders in a vertical plane with only one vertical wall. Several different cylinder center-tocenter spacings were investigated. The wall spacings for the two wall and single wall cases were also varied. The cylinders were placed in a still air medium at atmospheric pressure and were maintained at a constant heat flux. The modified Rayleigh number, based on the diameter of the cylinders, ranged from 6.2 x 104 to 1.2 x 106. A scale analysis was performed to predict the relationship between the Nusselt number and the modified Rayleigh number. A standard finite-difference code was employed to show the temperature distribution and velocity vectors distribution around the cylinders. The results showed that there was a maximum heat transfer from each cylinder at a specific wall-array spacing and a specific center-to-center spacing. Comparisons of heat transfer results with a single free cylinder and a free array of horizontal cylinders were made and discussed. Empirical equations were proposed to predict the effects of the experimental parameters on the heat transfer as expressed by the average Nusselt number of each cylinder or the average Nusselt number of the whole array. Flow visualization was accomplished using laser sheets. The resulting studies showed that the presence of a single wall or the asymmetrical placement of the array between the two walls eliminated the presence of the vortices in the spaces between the cylinders and displaced the stagnation points. The asymmetrical placement of the array between two walls created a reversed current between the two walls.
Author: Ali Savzevari
Publisher:
ISBN:
Category :
Languages : en
Pages : 81
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Book Description
An experimental investigation was conducted to study the natural convection of a high kinematic viscosity oil enclosed in a horizontal cylinder. The circumferential wall of a 5 in. I.D. copper cylinder was heated according to a cosine temperature distribution. The maximum and minimum temperatures on the cylinder wall were chosen for large Prandtl numbers and unit order Grashof numbers. The experimental equipment was so designed that a variety of heating configurations could be investigated, namely, ranging from the heating-from-the-side to the heating-from-below case. For several heating configurations, detailed velocity and temperature measurements were performed over the entire cross section of the midplane between the two ends of the cylinder. The physical nature of the core region and of the boundary layer region were studied in each considered case. Some of the experimental results were compared with the theory, which had been established previously for this problem. (Author).
Author: WILLIAM R. MARTINI
Publisher:
ISBN:
Category :
Languages : en
Pages : 200
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Book Description
