Problem 03 _ Bernoulli's Energy Theorem _ Advance Engineering Mathematics Review
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Transcript of Problem 03 _ Bernoulli's Energy Theorem _ Advance Engineering Mathematics Review
Problem 03 | Bernoulli's Energy Theorem
Tags: pressure head velocity head Bernoulli’s energy equation head loss
Problem 3
A 300-mm pipe is connected by a reducer to a 100-mm pipe. See Figure 4-02. Points 1 and 2 are at the same elevation, the pressure at 1 is 200 kPa.
The discharge Q is 30 liters per second flowing from 1 to 2 and the energy lost from 1 to 2 is equivalent to 20 kPa.
a. Compute the pressure at 2 if the liquid is water.
b. Compute the pressure at 2 if the liquid is oil (sp gr = 0.80).
c. Compute the pressure at 2 if the liquid is molasses (sp gr = 1.5).
Solution 3
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Discharge
Head loss
Velocity heads
Energy equation between 1 and 2
Submitted by Romel Verterra on December 16, 2012 - 3:10pm
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Part a: The liquid is water:
answer
Part b: The liquid is oil (sp gr = 0.80):
answer
Part 3: The liquid is molasses (s = 1.5):
answer
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