A storage tank with base area 40 m2 is being filled with water through a duct in which the volumetric flow rate is 12 L/s, as shown in Fig. 3. Water is concurrently being extracted from the storage tank through two exit pipes with cross-section area 150 cm2. The inlet of the exit pipes is located at a certain height, denoted h in Fig. 3, above the bottom of the storage tank. Water is assumed to be inviscid and incompressible. exit pipes Ve 12 L/s 150 cm? K150 cm 7 m storage tank (base area 40 m2) Figure 3

Elements Of Electromagnetics
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(b) A storage tank with base area 40 m2 is being filled with water through a duct in which the
volumetric flow rate is 12 L/s, as shown in Fig. 3. Water is concurrently being extracted from
the storage tank through two exit pipes with cross-section area 150 cm2. The inlet of the exit
pipes is located at a certain height, denoted h in Fig. 3, above the bottom of the storage tank.
Water is assumed to be inviscid and incompressible.
exit pipes
Ve
12 L/s
k150 cm?
K150 cm?
7 m
storage tank (base area 40 m2)
Figure 3
(i) Determine the flow speed V, in each exit pipe when a constant depth of 7 m is maintained
in the storage tank.
(ii) If the depth of water in the storage tank is initially 7 m and the flow speed in the exit pipes
changes to V. = 2.4 m/s, it takes 1 hour for the water level to coincide with the inlet of the
exit pipes. Determine the height h.
Transcribed Image Text:(b) A storage tank with base area 40 m2 is being filled with water through a duct in which the volumetric flow rate is 12 L/s, as shown in Fig. 3. Water is concurrently being extracted from the storage tank through two exit pipes with cross-section area 150 cm2. The inlet of the exit pipes is located at a certain height, denoted h in Fig. 3, above the bottom of the storage tank. Water is assumed to be inviscid and incompressible. exit pipes Ve 12 L/s k150 cm? K150 cm? 7 m storage tank (base area 40 m2) Figure 3 (i) Determine the flow speed V, in each exit pipe when a constant depth of 7 m is maintained in the storage tank. (ii) If the depth of water in the storage tank is initially 7 m and the flow speed in the exit pipes changes to V. = 2.4 m/s, it takes 1 hour for the water level to coincide with the inlet of the exit pipes. Determine the height h.
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