GATE XE · 2021 · XE-B
Question 13: Internal Flows
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Question 13
XE-BNAT2 marksNeeds review
In a laminar, incompressible, fully-developed pipe flow of a Newtonian fluid, as shown in the figure, the velocity profile over a cross-section is given by
, where
is a constant. The pipe length is
and the fluid viscosity is
. The power
required to sustain the flow is expressed as
, where
is a dimensionless constant. The value of the constant
(up to one decimal place) is ________. 
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2021XE-B
GATE XE 2021 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-B
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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