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2.
If oil (
ν
= 4*10
-5
m
2
/s, S.G. = 0.9) flows from the upper to the lower
reservoir at a rate of 0.028 m
3
/s in the 15-cm smooth pipe, determine
the elevation of the oil surface in the upper reservoir.
(K for entrance,
exit and bend are 0.5, 1 and 0.19 respectively)
60m
130m
7m
130mPD
3.
Two reservoirs having a difference of surface level of 24 m are
connected by two parallel pipes each 1600 m long and of diameters
450 mm and 300 mm.
To repair a length of 120 m of the 450 mm
diameter pipe midway between the reservoirs, the total flow is
diverted over this length to the 300 mm pipe.
Calculate the
percentage reduction in discharge resulting from the diversion.
Consider only the friction losses and take f = 0.04.
450mm
300mm
1600m
24m
450mm
300mm
24m
300mm
450mm
120m
300mm
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- Winter '12
- JOHN
- Fluid Dynamics, Fluid Mechanics, steady flow, m3/s
