Scale up of an agitated tank, experiments with a small scale agitated tank are to be used to design a geometrically similar installation with linear dimensions 10 times as large The fluid in the large tank will be a heavy oil with 13 5 cp and p 0 9 g cm 3 The large tank is to have an impeller speed of 120 rpm (a) Determine the impeller speed for the small scale model, in accordance with the criteria for scale up given in Example 3 7 2 (b) Determine the operating temperature for the model if water is to be used as the stirred fluid

Question: Scale-up of an agitated tank, experiments with a small-scale agitated tank are to be used to design a geometrically similar installation with linear dimensions 10

Scale-up of an agitated tank, experiments with a small-scale agitated tank are to be used to design a geometrically similar installation with linear dimensions 10 times as large. The fluid in the large tank will be a heavy oil with μ = 13.5 cp and p = 0.9 g/cm³. The large tank is to have an impeller speed of 120 rpm.

(a) Determine the impeller speed for the small-scale model, in accordance with the criteria for scale-up given in Example 3.7-2.

(b) Determine the operating temperature for the model if water is to be used as the stirred fluid.

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