Materials Science And Engineering
10th Edition
ISBN: 9781119405498
Author: Callister, William D., Jr, RETHWISCH, David G., Jr., 1940- Author.
Publisher: Wiley,
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Chapter 3, Problem 4QAP
To determine
To show:
The ideal
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Water is discharged into the atmosphere
through a bent nozzle of an angle (a) as
shown in the figure. The cross-sectional
area at the nozzle inlet and outlet are (Ain)
and (Aout), respectively. The discharge
through the nozzle is (Q). The gauge
pressure at the nozzle inlet is (Pin). The
bend lies in a horizontal plane.
Ain
Vin
Aout
X
Atmosphere
Vout
Problem (10): Given the values of Ain [m2], Aout [m²], Pin [atm], Q [m³/s], and a [degrees], calculate the
magnitude of the reaction force component in y-direction (Ry) in [N].
Givens:
A in
0.169 m^2
A out
Pin
0.143 m^2
0.552 atm
=
Q
α
0.367 m^3/s
= 31.72 degrees
Answers:
( 1 ) 6264.193 N
(2) 12041.886 N
( 3 ) 8715.747 N
( 4 ) 7139.937 N
Problem (12): A pump is being used to lift water from the bottom
tank to the top tank in a pipe of diameter (d) at a discharge (Q). The
pipe system comprises four Long radius 90° threaded elbows. The
pipe entrance is sharp-edged, and the pipe exit is sudden. A Ball
valve (1/3 closed) is used to control the discharge in the pipeline.
Given the values of Q [Lit/s], and d [cm], calculate the power loss
due to components (i.e., minor losses) in the pipe (Wminor-loss) in
[W].
Givens:
Q = 12.275 lit/s
d = 6.266 cm
Answers:
( 1 ) 1142.006 W
(2) 952.086 W
( 3 ) 1225.555 W
( 4 ) 1331.216 W
Loss Coefficients for Pipe Components (h,= K,Y)
Component
a. Elbows
KL
elbow
Regular 90°, flanged
0.3
Regular 90°, threaded
1.5
Long radius 90°, flanged
0.2
V
90° elbow
Long radius 90°, threaded 0.7
Long radius 45°, flanged
0.2
0.4
Regular 45°, threaded
. 180° return bends
180° return bend, flanged 0.2
V
45° elbow
180° return bend, threaded 1.5
c. Tees
Line flow, flanged
0.2
Line flow, threaded
0.9
180°…
80 V
300 Ω
t = 0
500 i(t)
Vc(t)
40 nF
2,5 mH
-
Chapter 3 Solutions
Materials Science And Engineering
Ch. 3 - Prob. 1QAPCh. 3 - Prob. 2QAPCh. 3 - Prob. 3QAPCh. 3 - Prob. 4QAPCh. 3 - Prob. 5QAPCh. 3 - Prob. 6QAPCh. 3 - Prob. 7QAPCh. 3 - Prob. 8QAPCh. 3 - Prob. 9QAPCh. 3 - Prob. 10QAP
Ch. 3 - Prob. 11QAPCh. 3 - Prob. 12QAPCh. 3 - Prob. 14QAPCh. 3 - Prob. 15QAPCh. 3 - Prob. 16QAPCh. 3 - Prob. 17QAPCh. 3 - Prob. 19QAPCh. 3 - Prob. 20QAPCh. 3 - Prob. 21QAPCh. 3 - Prob. 23QAPCh. 3 - Prob. 24QAPCh. 3 - Prob. 25QAPCh. 3 - Prob. 26QAPCh. 3 - Prob. 27QAPCh. 3 - Prob. 28QAPCh. 3 - Prob. 29QAPCh. 3 - Prob. 34QAPCh. 3 - Prob. 35QAPCh. 3 - Prob. 36QAPCh. 3 - Prob. 37QAPCh. 3 - Prob. 39QAPCh. 3 - Prob. 40QAPCh. 3 - Prob. 41QAPCh. 3 - Prob. 43QAPCh. 3 - Prob. 44QAPCh. 3 - Prob. 45QAPCh. 3 - Prob. 46QAPCh. 3 - Prob. 47QAPCh. 3 - Prob. 48QAPCh. 3 - Prob. 49QAPCh. 3 - Prob. 50QAPCh. 3 - Prob. 51QAPCh. 3 - Prob. 52QAPCh. 3 - Prob. 53QAPCh. 3 - Prob. 59QAPCh. 3 - Prob. 60QAPCh. 3 - Prob. 61QAPCh. 3 - Prob. 62QAPCh. 3 - Prob. 63QAPCh. 3 - Prob. 64QAPCh. 3 - Prob. 65QAPCh. 3 - Prob. 66QAPCh. 3 - Prob. 67QAPCh. 3 - Prob. 68QAPCh. 3 - Prob. 69QAPCh. 3 - Prob. 72QAPCh. 3 - Prob. 1SSPCh. 3 - Prob. 1FEQPCh. 3 - Prob. 2FEQPCh. 3 - Prob. 3FEQP
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