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University Of Maine At Fort Kent Operations And Supply Chain Management Assignment Help - A process tank

Question - A process tank has two input streams—Stream 1 at mass flow rate w1 and Stream 2 at mass flow
rate w2. The tank’s effluent stream, at flow rate w, discharges through a fixed valve to atmospheric
pressure. Pressure drop across the valve is proportional to the flow rate squared. The cross-sectional
area of the tank, A, is 5 m2, and the mass density of all streams is 940 kg/m3.
(a) Draw a schematic diagram of the process and write an appropriate dynamic model for the tank
level. W hat is the corresponding steady-state model?
(b) At initial steady-state conditions, with w1 = 2.0 kg/s and w2 = 1.2 kg/s, the tank level is 2.25 m.
What is the value of the valve constant (give units)?
(c) A process control engineer decides to u ...Read More

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