Stacking PD blowers in series for 30 psig is tricky but doable with the right setup. You’re right about needing an intercooler and separator, otherwise, heat buildup will kill efficiency and the blowers. Force-feed lube is a must past 20 psig. Also, check the blower specs—some aren’t rated for...
The loop in the thermal fluid pipeline is probably there to allow for thermal expansion, prevent stress on the pipes, or ensure even heat distribution. It could also help with maintaining flow and reducing pressure drop. Pretty common in heated fluid systems!
You’ll want to model it in stages—first, set the permanent pool as a storage node with a defined elevation. Then, create a weir or overflow for when water overtops the bench. For the underdrain, you might need to use an orifice or low-permeability outlet below the bench to simulate slow...
