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. Thus, the operation and maintenance is quite easy.Back with another post regarding detailed design of agitator, this is under making since last 3 months. The shredding processing machine is made up of simple components that can be easily assembled. The performance test evaluation shows that the machine driven by a 1hp electric motor has an average performance cutting time of 30.2seconds for a full hopper volume of 2319.8cm3 which is equivalent to 78.87kg of vegetables with an efficiency of 89.35% and a throughput capacity of 9400.48kg/h. The vegetable shredding machine which works on shear principle was designed and fabricated using locally sourced materials from the opinion of new idea and tested. Shredding of vegetables is a process of cutting vegetables into thin slices or pieces using a sharp knife, food processor or grater.
In an attempt to add value to vegetables before domestically using them, a motorized electric- driven machine has been developed in order to circumvent the challenges of time consumption, contamination and injuries associated with the manual process of shredding vegetables using sharp knife. With the growing world population, the need for vegetables due to its economic importance, nutritional value and viability cannot be overemphasized.
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