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IJSTR >> Volume 3- Issue 12, December 2014 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Similarity Solution Of Plane Turbulent Mixing Layer

[Full Text]

 

AUTHOR(S)

Faruqe Ahmed, Ajanta Shukla Tanma

 

KEYWORDS

Index Terms: P Pressure u Velocity component along X axis v Velocity component along Y axis w Velocity component along Z axis ρ Density of the fluid µ Absolute viscosity υ Kinematic viscosity υt Eddy viscosity δ Mixing layer thickness ψ Stream function U1 High speed stream velocity U2 Low speed stream velocity –u´v´ Reynold’s shear stress η Non dimensional distance f(η) Non dimensional stream function y1/2 Distance along y axis at which (u – U2)/(U1 – U2) = 0.5

 

ABSTRACT

Abstract: This thesis has been performed for finding similarity solution of plane turbulent mixing layer. Considering the above situation continuity equation and momentum equation have been derived. Then, considering the momentum equation for turbulent fluid flow a third order ordinary differential equation has been derived using similarity transformations which is the governing equation. Finally numerical solution of the governing equation has been achieved by the improvisation of known boundary conditions into the initial boundary conditions. Here, MATLAB has been used to develop a computer program to solve the governing equation using fourth order Runge-Kutta method.

 

REFERENCES

[1.] Holman J. P. Heat Transfer, ninth edition, 1997, McGraw Hill, New York.

[2.] Lesieur Marcel, Turbulence in Fluids, 1997, Kluwer Academic Publishers.

[3.] Blagurasamy E. Numerical Methods, fourth edition, 1995, Tata McGraw Hill, New Delhi.

[4.] Chapra Steven C. and Canale Raymond P. Numerical methods for Engineers, fourth edition, 2000, Tata McGraw Hill, New Delhi.

[5.] Pratap Rudra, Getting Started with MATLAB 7 / A Quick Introduction for Scientists and Engineers, first edition, 2006, Oxford University Press.