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A portable display I built for my trainings. The one side shows how P/S works, and the reverse flow between the close tees, when you adjust the flow rates. Also the issues with entrained air in the clear plastic pump volutes. It demonstrates air, dirt, and magnetic separation.
The demo clearly shows how the flow transitions from turbulent to laminar when you ramp down the pump speed. When flow goes laminar the outer boundry of fluid stops completely and a small core of fluid moves through it. It becomes clear how heat transfer would drop considerably when the fluid slows below turbulent conditions.
On the reverse side it shows a Sep4 air, dirt, magnetic and hydro separation,
Also a partially clear heat exchanger that shows how the micro bubbles cling to the HX wall without adequate flow and micro bubble elimination?
The Caleffi road show travels across Iowa next week.
Bob "hot rod" Rohr
trainer for Caleffi NA
The magic is in hydronics, and hydronics is in me
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