Heat Transfer with High Intensity, Large Scale Turbulence PDF Download
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Author: Stanford University. Thermosciences Division. Thermosciences Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 266
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Book Description
Author: Stanford University. Thermosciences Division. Thermosciences Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 266
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Book Description
Author: Forrest E. Ames
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Presented at the International Gas Turbine and Aeroengine Congress and Exposition, Houston, Texas - June 5-8, 1995.
Author: B. Sundén
Publisher: WIT Press
ISBN: 1853129569
Category : Science
Languages : en
Pages : 361
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Book Description
Providing invaluable information for both graduate researchers and R & D engineers in industry and consultancy, this book focuses on the modelling and simulation of fluid flow and thermal transport phenomena in turbulent convective flows. Its overall objective is to present state-of-the-art knowledge in order to predict turbulent heat transfer processes in fundamental and idealized flows as well as in engineering applications. The chapters, which are invited contributions from some of the most prominent scientists in this field, cover a wide range of topics and follow a unified outline and presentation to aid accessibility.
Author: Jay Fox
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 32
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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.
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: Chi-Rong Wang
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 32
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Book Description
Author: Ernst Rudolf Georg Eckert
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 118
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 171
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Book Description
The influence of freestream turbulence representative of the flow downstream of a modem gas turbine combustor and the first stage vane on turbine blade heat transfer has been measured and analytically modeled in a linear, transonic turbine cascade. Measurements were performed on a high turning, transonic turbine blade. The facility is capable of heated flow with inlet total temperature of 120 degrees C and inlet total pressure of 10 psig. The Reynolds number based on blade chord and exit conditions (5x10(exp 6)) and the inlet and exit Mach numbers (0.4 and 1.2, respectively) are representative of conditions in a modem gas turbine engine. High intensity, large length-scale freestream turbulence was generated using a passive turbulence-generating grid to simulate the turbulence generated in modem combustors after it has passed through the first stage vane row. The grid produced freestream turbulence with intensity of approximately 10-12% and an integral length scale of 2 cm near the entrance of the cascade passages, which is believed to be representative of the core flow entering a first stage gas turbine rotor blade row. Mean heat transfer results showed an increase in heat transfer coefficient of approximately 8% on the suction surface of the blade, with increases on the pressure surface on the order of two times higher than on the suction surface (approximately 17%). This corresponds to increases in blade surface temperature of 5- 10%, which can significantly reduce the life of a turbine blade. The heat transfer data were compared with correlations from published literature with good agreement.
Author: Antanas Pedišius
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 280
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Book Description
Turbulent flow is the most common form of motion of liquids and gases playing the role of the heat-transfer medium in thermal systems. The complexity of turbulent flow and the importance of hydrodynamics and heat transfer in practice inspired continuing research for methods of efficient heat augmentation by the Lithuanian Energy Institute. The solution of this problem was directly linked with the determination of the reaction of flow in the boundary layer to the effect of various factors and heat transfer rate under given conditions. The investigated factors included elevated degree of turbulence of the external flow as well as strong acceleration and turbulization of flow near the wall by surface roughness. The material in this volume shows that it is possible to control the efficiency of turbulent transfer when the vortical structure of the turbulent flow is known.
