Starting from the Navier-Stokes equations for the steady flow of an incompressible fluid, it can be...
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Starting from the Navier-Stokes equations for the steady flow of an incompressible fluid, it can be shown that the 3rd Order, non-linear, Blasius equation is F" +FF"=0 where, u = UF' (n) and px 77= 8(x) = 8(x) H., p and U are the fluid viscosity, fluid density and free stream velocity respectively. n is the similarity variable. Clearly indicate any assumptions you make PU 1. Explain the physical significance of each of the boundary conditions: a) F(n = 0) = 0 b) F (n = 0) = 0 c) lim F' = 1 + 2. Solve this problem using shooting methods in the following steps. a) Write the third order ODE as a system of three first order ODES. b) Integrate the equation as an Initial Value Problem by guessing the value of F" (0). c) Integrate the system to infinity to check if F'(o)= 1to some desired accuracy. d) If not, then iterate using the method of false position:; if so, then store the value of F"(0) and F'(n). Starting from the Navier-Stokes equations for the steady flow of an incompressible fluid, it can be shown that the 3rd Order, non-linear, Blasius equation is F" +FF"=0 where, u = UF' (n) and px 77= 8(x) = 8(x) H., p and U are the fluid viscosity, fluid density and free stream velocity respectively. n is the similarity variable. Clearly indicate any assumptions you make PU 1. Explain the physical significance of each of the boundary conditions: a) F(n = 0) = 0 b) F (n = 0) = 0 c) lim F' = 1 + 2. Solve this problem using shooting methods in the following steps. a) Write the third order ODE as a system of three first order ODES. b) Integrate the equation as an Initial Value Problem by guessing the value of F" (0). c) Integrate the system to infinity to check if F'(o)= 1to some desired accuracy. d) If not, then iterate using the method of false position:; if so, then store the value of F"(0) and F'(n).
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Related Book For
Introduction to Chemical Engineering Thermodynamics
ISBN: 978-0071247085
7th edition
Authors: J. M. Smith, H. C. Van Ness, M. M. Abbott
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