In the liquid-level system of Figure 4-27 assume that the outflow rate Q m³/sec through the out- flow valve is related to the head H m by Q = KVH = 0.01 VA %3D Assume also that when the inflow rate Q; is 0.015 m³/sec the head stays constant. For t < 0 the system is at steady state (Q; = 0.015 m³/sec). At 1 = 0 the inflow valve is closed and so there is no inflow for t > 0. Find the time necessary to empty the tank to half the original head. The capacitance C of the tank is 2 m?. -EL H Capacitance C
In the liquid-level system of Figure 4-27 assume that the outflow rate Q m³/sec through the out- flow valve is related to the head H m by Q = KVH = 0.01 VA %3D Assume also that when the inflow rate Q; is 0.015 m³/sec the head stays constant. For t < 0 the system is at steady state (Q; = 0.015 m³/sec). At 1 = 0 the inflow valve is closed and so there is no inflow for t > 0. Find the time necessary to empty the tank to half the original head. The capacitance C of the tank is 2 m?. -EL H Capacitance C
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Transcribed Image Text:In the liquid-level system of Figure 4-27 assume that the outflow rate Q m/sec through the out-
flow valve is related to the head H m by
Q = KVH = 0.01 VA
%3D
Assume also that when the inflow rate Q, is 0.015 m³/sec the head stays constant. For t < 0 the
system is at steady state (Q; = 0.015 m³/sec). At i = 0 the inflow valve is closed and so there is
no inflow for t > 0. Find the time necessary to empty the tank to half the original head. The
capacitance C of the tank is 2 m?.
Qi-
H
Capacitance C
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