MINOR LOSSES
151
CHAPTER TEN
MINOR LOSSES
MINOR LOSSES
153
10.26 Sketches for the contractions for 15 and 40 gradual contractions:
10.2
7
Gradu
a
l
co
n
t
r
a
c
tio
n
,
= 1
2
0
MINOR LOSSES
161
10.60
p = sg(Q/Cv)
2
= 0.989(600/640)
2
= 0.869 psi
For Problems 10.62 to 10.70, values of sg are found from
Appendix B.
10.65 p = sg(Q/Cv)2 = 1.590(60/34)2 = 4.952 psi
10.69 p = sg(Q/Cv)2 = 0.823(300/330)2 = 0.680 psi