Consider unsteady fully developed Coutte flow between two infinite parallel plates. This problem involves the following paramete
rs such as velocity component u, distance between the plates h, vertical distance y, top plate speed V, fluid density rho , fluid viscosity mu , and time t .
The number of expected dimensionless parameters pi subscript s of this problem is:
a. 6
b. 5
c. 4
d. 3
e. 2
The number of expected dimensionless parameters pi subscript s of this problem is:
a. 6
b. 5
c. 4
d. 3
e. 2
1 answer:
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Answer:
a) 0.76
b) 0.80
c) 1964 kW
Explanation:
GIVEN DATA:
Assume Mechanical energy at exist is negligible
A) Take lake bottom as reference, and then kinetic and potential energy are taken as zero.
change in mechanical energy is givrn as
= 0.491 kJ/kg
B)
c)