Analysis Of Turbulent Heat Transfer And Flow In The Entrance Regions Of Smooth Passages
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Author | : Robert G. Diessler |
Publisher | : |
Total Pages | : 90 |
Release | : 1953 |
Genre | : Air flow |
ISBN | : |
Download Analysis of Turbulent Heat Transfer and Flow in the Entrance Regions of Smooth Passages Book in PDF, Epub and Kindle
A previous analysis for fully developed turbulent heat transfer and flow with variable fluid properties is extended and applied to the entrance regions of smooth tubes and parallel flat plates. Integral heat-transfer and momentum equations are used for calculating the thicknesses of the thermal and flow boundary layers. The effect of variable properties is determined for the case of uniform heat flux, uniform initial temperature distribution, and fully developed velocity distribution. A number of ther cases in which the fluid properties are considered constant are analyzed. The predicted Nusselt numbers for air with a uniform wall temperature and uniform initial temperature and velocity distributions agree closely with experimentally determined values.
Author | : Robert G. Deissler |
Publisher | : |
Total Pages | : 24 |
Release | : 1959 |
Genre | : |
ISBN | : |
Download Analysis of Turbulent Flow and Heat Transfer in Noncircular Passages Book in PDF, Epub and Kindle
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 550 |
Release | : 1958 |
Genre | : Aeronautics |
ISBN | : |
Download Technical Note - National Advisory Committee for Aeronautics Book in PDF, Epub and Kindle
Author | : Robert G. Deissler |
Publisher | : |
Total Pages | : 62 |
Release | : 1954 |
Genre | : Aerodynamic heating |
ISBN | : |
Download Analysis of Turbulent Heat Transfer, Mass Transfer, and Friction in Smooth Tubes at High Prandtl and Schmidt Numbers Book in PDF, Epub and Kindle
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 | : Robert G. Deissler |
Publisher | : |
Total Pages | : 608 |
Release | : 1958 |
Genre | : Aerodynamic heating |
ISBN | : |
Download Analysis of Turbulent Flow and Heat Transfer on a Flat Plate at High Mach Numbers with Variable Fluid Properties Book in PDF, Epub and Kindle
A previous analysis of turbulent heat transfer and flow with variable fluid properties in smooth passages is extended to flow over a flat plate at high Mach numbers. Velocity and temperature distributions are calculated for a boundary layer in which the effects of both frictional heating and external heat transfer are appreciable. The viscosity and thermal conductivity are assumed to vary as a power of the temperature, while the Prandtl number and specific heat are taken as constant. Skin-friction and heat-transfer coefficients are calculated and compared with the incompressible values. The relation between boundary-layer thickness and distance along the plate is obtained for various Mach numbers. The analytical results are compared with representative experimental data.
Author | : James R. Stone |
Publisher | : |
Total Pages | : 28 |
Release | : 1965 |
Genre | : Heat |
ISBN | : |
Download Local Turbulent Heat Transfer for Water in Entrance Regions of Tubes with Various Unheated Starting Lengths Book in PDF, Epub and Kindle
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 258 |
Release | : 1953 |
Genre | : Aeronautics |
ISBN | : |
Download Index of NACA Technical Publications Book in PDF, Epub and Kindle
Author | : Robert G. Deissler |
Publisher | : |
Total Pages | : 0 |
Release | : 1959 |
Genre | : Heat |
ISBN | : |
Download Analysis of Turbulent Flow and Heat Transfer in Noncircular Passages Book in PDF, Epub and Kindle
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 462 |
Release | : 1954 |
Genre | : Aerodynamics |
ISBN | : |
Download NACA-University Conference on Aerodynamics, Construction, and Propulsion Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 742 |
Release | : 1976 |
Genre | : |
ISBN | : |
Download NASA Technical Note Book in PDF, Epub and Kindle