A fluid flows through a sudden expansion as shown in the figure. The pressures before and after the expansion are p1 and p2, respectively. Find an expression for the head loss due to the expansion if uniform velocity profiles are assumed. Note: This problem requires the use of momentum, energy, and continuity. P2 V2 P2A2 Control volume hL = (1-4)x 29 hy = (1 – 4)* x 2g hL A2 2g O he = (1 - 4)* × V? A2 2g

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A fluid flows through a sudden expansion as shown in the figure. The
pressures before and after the expansion are p1 and p2, respectively. Find
an expression for the head loss due to the expansion if uniform velocity
profiles are assumed. Note: This problem requires the use of momentum,
energy, and continuity.
O P2
V2
PA2
P2A2
V
Control volume
hi = (1-)* x
A2
2g
hi = (1 – 4)* x
2
A2
2g
° hi = (1 - 4)* ×
A2
2g
O h - (1- )* ×
2
V
A2
29
Transcribed Image Text:A fluid flows through a sudden expansion as shown in the figure. The pressures before and after the expansion are p1 and p2, respectively. Find an expression for the head loss due to the expansion if uniform velocity profiles are assumed. Note: This problem requires the use of momentum, energy, and continuity. O P2 V2 PA2 P2A2 V Control volume hi = (1-)* x A2 2g hi = (1 – 4)* x 2 A2 2g ° hi = (1 - 4)* × A2 2g O h - (1- )* × 2 V A2 29
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