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Free convection on a vertical stretching surface with suction and blowing

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Abstract

The natural convective heat transfer from a vertical stretching sheet with surface mass transfer is analyzed. A three dimensional similarity solution to the governing momentum and energy equations is presented. Numerical data for the friction factor and Nusselt number has been tabulated for a range of surface mass transfer rates and Prandtl numbers. Surface mass transfer has a considerable influence on the heat transfer mechanism.

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Abbreviations

C f :

friction factor

Gr:

Grashoff number

g :

acceleration due to gravity

h :

heat transfer coefficient

H :

dimensionless temperature

κ :

thermal conductivity

M :

dimensionless velocity iny-direction

N :

dimensionless velocity inx-direction

Nu:

Nusselt number

Pr:

Prandtl number

Re:

Reynolds number

T :

temperature

u, υ, w :

velocity components inx, y, z directions respectively

x, y, z :

coordinate directions

α :

angle

β :

coefficient of thermal expansion

μ :

viscosity

ρ :

density

ø :

dimensionless velocity

η :

dimensionless distance

Λ:

free convection parameter

τ :

shear stress

w :

conditions at the surface

∞:

conditions faraway from the surface

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Authors and Affiliations

  1. Department of Mechanical Engineering, Cleveland State University, 44115, Cleveland, OH, U.S.A.

    Rama Subba Reddy Gorla & Ibrahim Sidawi

Authors
  1. Rama Subba Reddy Gorla
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  2. Ibrahim Sidawi
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Reddy Gorla, R.S., Sidawi, I. Free convection on a vertical stretching surface with suction and blowing. Appl. Sci. Res. 52, 247–257 (1994). https://doi.org/10.1007/BF00853952

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  • DOI: https://doi.org/10.1007/BF00853952

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