Center of Buoyancy versus Center of Gravity
Center of Buoyancy versus Center of Gravity
(OP)
Some of you may have seen my other thread about vortex breakers for a floating skimmer I am designing (see link below). I have been playing with the design to get the inlet velocity down and currently have a manifold with 8 inlets (see below). The get the flow distribution into the inlets even, I have an offset in the connecting piping to the manifold that causes my Cbx and Cgx to be ~ 1 inch apart. My Cgy and Cby are only .005" apart, and my Cgz is below the Cbz, so I am good there. The connecting piping will be 2" SS pipe using OPW swivel joints. Due to this design, the skimmer should not rotate in the XZ plane. That said, I still keep revisiting this and am contemplating a change to the manifold to get the entire skimmer balanced in the X. Am I over thinking this one?
Edit: The skimmer is a total of 70 inches wide in the X direction.
http://www.eng-tips.com/viewthread.cfm?qid=421829


Edit: The skimmer is a total of 70 inches wide in the X direction.
http://www.eng-tips.com/viewthread.cfm?qid=421829







RE: Center of Buoyancy versus Center of Gravity
Yes.
Nice sump design though - glad you took on board what we were saying though I would make those two drains nearest the centre 1" or 1 1/2" to equalize out the flow a bit otherwise 50% will go through those two.
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RE: Center of Buoyancy versus Center of Gravity
If you are concerned about the COG/COB relationship, I would just add a piece of plate to one end as ballast to pull them back in line.
RE: Center of Buoyancy versus Center of Gravity
Totally with you on that one. It's why I can't seem to leave it alone.
RE: Center of Buoyancy versus Center of Gravity
RE: Center of Buoyancy versus Center of Gravity
RE: Center of Buoyancy versus Center of Gravity
RE: Center of Buoyancy versus Center of Gravity