For liquid flow in an open channel which Stephanie Redfern @The Fluid

Question 39 / 40: For liquid flow in an open channel, which of the following is an appropriate boundary condition for the liquid flow problem at the liquid-solid interface at the bottom of the channel?

A No slip

B Zero velocity gradient

C Zero velocity

D Zero normal stress

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Explanation:

The best choice is no slip; this implies that the velocities of the two phases (conduit wall and fluid) are equal at the interface. The conduit wall velocity is not necessarily zero.

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https://www.jobilize.com/fluid-mechanics-mcq-quiz-by-stephanie-redfern-tuan-dinh

Fluid Mechanics ME201

Author:

Stephanie Redfern

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Stephanie Redfern and Tuan Dinh. Fluid Mechanics. The Saylor Academy 2014, http://www.saylor.org/courses/me201/

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