Blasius Solution: ConcepTest and Example Problem

Try to answer this ConcepTest and solve the example problem before using this module. Studies show that trying to answer the questions before studying material improves learning and retention. We suggest that you write down the reasons for your answers. By the end of this module, you should be able to answer these on your own. Answers will be given at the end of this module.

Example Problem 1

Consider the laminar flow of a fluid with a kinematic viscosity of 2.0 x 10-5 m2/s in parallel flow over a flat plate. Where along the plate is the boundary layer 5 mm thick? What is the velocity at that point? The freestream velocity, U, is 5 m/s.