Abstract
The problem considered here is that of a pressurized surge tank with a constant inlet mass flow rate and an outlet mass flow rate through a circular channel. The dynamic behaviour of this system can be influenced by the liquid height inside the surge tank, the inlet and outlet mass flow rates, the gas pressure in the surge tank, and the liquid kinetic energy that is often neglected in textbooks and fluid dynamics literature. The model considers a constant density liquid in laminar flow and investigates the nonlinear effects of liquid height in the pressurized surge tank, mass flow rates, gas pressure, and kinetic energy on the system behaviour. Also, the model is investigated for scenarios that manifest in oscillatory behaviour.
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