Fully developed conditions are known to exist for water flowing through a 25-nim-diameer tube at 0.01 kg/s and
The maximum velocity of water inside the tube and pressure gradient along the flow.
Answer to Problem 8.1P
The maximum velocity of water inside the tube is
Explanation of Solution
Given:
The diameter of the tube is
Mass flow rate of water is
Concept used:
Write the expression for the average velocity of water flows through the pipe.
Here,
Write the expression for the maximum velocity.
Here,
Write the expression for the Reynolds number.
Here,
Write the expression for the pressure gradient.
Here,
Calculation:
Substitute
Substitute
Substitute
Substitute
Conclusion:
Thus, The maximum velocity of water inside the tube is
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