reactor heat
reactor heat
(OP)
Hi,
please I need your help
how to calculate the heat due to agitation in a reactor?
is there a specific formula?
thanx
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RE: reactor heat
Quick and dirty method: Use the agitator motor HP as the heat input to the batch. This is a high-spot estimate unless you are overamping the motor.
More involved method: Google “mixing power”, or look in Perrys. You’ll need to calculate Re for the impeller, determine if impeller flow is laminar or turbulent, select the correct equation, and hopefully have a standard blade design so the empirical agitator constant is readily available.
Most involved method: Programs like Visimix, which I have used (no affiliation), can give mixing power after you enter the geometry of the vessel/agitator and liquid properties. It also many other mixing evaluations. However, you need to purchase a license for it.
RE: reactor heat