Hi Gents,
Does anyone have expereince with entrained air / froth pumping. I have a pump (centrifugal) that is seeing alot or air and is surging. The fluid is quite unique, it is about 55% solids and has alot of entrained air and froth in it. Does anyone know of a practicle way to determine...
Hi gents,
I have a problem relating to two pumps (both centrifugal). Both pumps pump the same distance have the same head requirments (on paper) and all have the same parts. Only one pump is ever running at a time. The problem is that when one pump is running all is well. When we change to...
Hi guys
I have a sump pump that is probably experincing cavitation. I say probably because the impeller is coated in a plastic cover (some type of hard epoxy???) and is showing signs of wear. Im not familure with the mechanics of cavitaion but is it possible that a plastic covered impeller...
This may seem like a simple problem but is causing me some grief. Can anyone explain the modes of stress experienced by a shaft under bending and torque. The easy ones are normal bending stress and torsional shear stress. What about direct shear stress and transverse shear stress? From what...