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Author: Rajesh Bhaskaran, Cornell University

Problem Specification
Exercises (OLD)

Laminar Pipe Flow

Created using ANSYS 13.0. Tutorial instructions work with ANSYS 14.0 and 15.0. There are minor layout changes in ANSYS 15.0. 

This tutorial has videos. If you are in a computer lab, make sure to have head phones. 

Problem Specification



Consider fluid flowing through a circular pipe of constant radius as illustrated above. The figure is not to scale. The pipe diameter D = 0.2 m and length L = 8 m Consider the inlet velocity to be constant over the cross-section and equal to 1 m/s. The pressure at the pipe outlet is 1 atm. Take density ρ = 1 kg/ m 3 and coefficient of viscosity µ = 2 x 10 -3 kg/(m s). These parameters have been chosen to get a desired Reynolds number of 100 and don't correspond to any real fluid. 

Solve this problem numerically using ANSYS FLUENT. Present the following results:

  • Velocity vectors 

  • Velocity magnitude contours 

  • Pressure contours 

  • Velocity profile at the outlet

  • Skin friction coefficient along the wall

Provide comparisons of the results with the full-developed analytical solution. Verify your results. 


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