Now i think you may think of " what is inertia?". It is the inertia of agitator towards its agitation. It can be the measurable resistance that can be offered by the agitator towards reaction mixture before it can deform from its original position. Torque can be defined as a rotational force that will make the reaction mixture move/flow along the respective pattern that the agitators provide.īending moment is nothing but the reaction of the agitator shaft due to the resistive force induced by the reaction mixture, sometimes due to the more viscousness of the mass the agitator will tend to slightly bend / sometimes it might break i.e., the coupling might get fail. Torque will be always an underrated term in mixing by process engineers. The power number varies based on Reynolds number.Īlso Read: Overview and Selection of agitators Select motor capacity of an agitator ?
This is also a dimensionless number used for estimating power consumed by an impeller during mixing. What does Power number mean and what does it indicate ? It indicates the intensity of mixing such as laminar and turbulent. That's a dimensionless number which represents the mixing / flow around the rotating agitator. What does Reynolds number mean and what does it indicate ? It's correct but in general words, Tip speed can be defined as tangential speed of the agitator's blade tip. I've heard a common answer from many in mathematical term i.e., 𝝅dN/ 60. Just before that, i'll define these terms to make them familiar. This post defines and elaborates the parameters like Tip speed, Reynolds number, Power number, Torque, Shaft dia, Bending moment, Stress, Modulus of elasticity, Moment of inertia, Deflection, Critical Speed. Back with another post regarding detailed design of agitator, this is under making since last 3 months.
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