Q283
At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3D5: Power number Re = ρ ND2/μ: Reynold's number N is the impeller rotational speed and D is the impeller diameter.
A.
Po ∝ Re-1.0
B.
Po ∝ Re0.0
AnswerC.
Po ∝ Re0.5
D.
Po ∝ Re1.0
Answer: Option B
Solution
Answer: Option B
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