The Effect of Heat Transfer on Transition to Turbulent Flow in a Vertical Tube PDF Download
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Author: George Frederick Scheele
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Book Description
Author: George Frederick Scheele
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Book Description
Author: Jurgis Vilemas
Publisher: Begell House Publishers
ISBN: 9781567001372
Category : Technology & Engineering
Languages : en
Pages : 195
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Book Description
Aiming to improve the accuracy of the thermal hydraulic calculations necessary for the operational reliability of large power units, two Lithuanian scientists elaborate on experimental investigations and predictive analysis; and heat transfer in vertical tubes with aiding flows, and in curved channels; and heat transfer and friction factor in coils. Appends experimental data for heat transfer in tubes and coils under various conditions, and a table on shear stresses in coils.
Author: Ernst Rudolf Georg Eckert
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 24
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Book Description
Experimental heat-transfer data for the turbulent flow of fluids through stationary vertical tubes with both small and large length-to-diameter ratios (to 40) are compared for the case where the acceleration of gravity is opposite in direction to the mean velocity in the tube and where the heat flows from the tube wall into the fluid. The division of the total flow region as characterized by the Grashof and Reynolds numbers into a forced-flow region, a free-flow region, and a mixed free and forced-flow region is valid for both tubes. The limits of the different regions, originally established for a tube with small length-to-diameter ratio, apply on the basis of existing data to a tube with large length-to-diameter ratio.
Author: George Frederick Scheele
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 256
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Book Description
Author: Edmund E. Callaghan
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 724
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Book Description
An analysis of combined heat and mass transfer from a flat plate has been made in terms of Prandtl's simpified physical concept of the turbulent boundary layer. The results of the analysis show that tor conditioins of reasonably small heat and mass transfer, the ratio of the mass- and heat-transfer coefficients is dependent on the Reynolds number of the boundary layer, the Prandtl number of the medium of diffusion, and the Schmidt number of the diffusing fluid in the medium of diffusion. For the particular case of water evaporating into air, the ratio of mass-transfer coefficient to heat-transfer coefficient is found to be slightly greater than unity.
Author: Howard Lyman Greene
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 246
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Book Description
Author: Chia-Ch'iao Lin
Publisher: Princeton University Press
ISBN: 1400879418
Category : Science
Languages : en
Pages : 570
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Book Description
Volume V of the High Speed Aerodynamics and Jet Propulsion series. Topics include transition from laminar to turbulent flow; turbulent flow; statistical theories of turbulence; conduction of heat; convective heat transfer and friction in flow of liquids; convective heat transfer in gases; cooling by protective fluid films; physical basis of thermal radiation; and engineering calculations of radiant heat exchange. Originally published in 1959. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: Akshai Runchal
Publisher: Springer Nature
ISBN: 9811526702
Category : Technology & Engineering
Languages : en
Pages : 950
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Book Description
Prof. D. Brian Spalding, working with a small group of students and colleagues at Imperial College, London in the mid-to late-1960’s, single-handedly pioneered the use of Computational Fluid Dynamics (CFD) for engineering practice.This book brings together advances in computational fluid dynamics in a collection of chapters authored by leading researchers, many of them students or associates of Prof. Spalding. The book intends to capture the key developments in specific fields of activity that have been transformed by application of CFD in the last 50 years. The focus is on review of the impact of CFD on these selected fields and of the novel applications that CFD has made possible. Some of the chapters trace the history of developments in a specific field and the role played by Spalding and his contributions. The volume also includes a biographical summary of Brian Spalding as a person and as a scientist, as well as tributes to Brian Spalding by those whose life was impacted by his innovations. This volume would be of special interest to researchers, practicing engineers, and graduate students in various fields, including aerospace, energy, power and propulsion, transportation, combustion, management of the environment, health and pharmaceutical sciences.
Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 984
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Book Description
Author: Robert G. Deissler
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 62
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Book Description
The expression for eddy diffusivity from a previous analysis was modified in order to account for the effect of kinematic viscosity in reducing the turbulence in the region close to a wall. By using the modified expression, good agreement was obtained between predicted and experimental results for heat and mass transfer at Prandtl and Schmidt numbers between 0.5 and 3000. The effects of length-to-diameter ratio and of variable viscosity were investigated for a wide range of Prandtl numbers.
