Here’s a typical fluid application: a cabin volume with a ventilation loop. Okay, so this is not exactly equivalent to the electrical RC circuit, but it’s pretty close:

We have a cabin volume of 10 (m3), starting at a pressure of 100 (kPa), with a duct that leads to a fan, then a filter, then branches to two return valves back to the cabin. The desired pressures in the duct (kPa), and the valve mass flow rates (kg/s) are shown in red.

For simplicity, just use one fluid type in this network: GUNNS_N2, to approximate air. Use all initial temperatures of 294 (K).

See here for the answer: Fluid Circuit Solution.

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