For a turbine agitated and baffled tank, operating at low Reynold's
number (based on impeller diameter), the power number (Np
) varies
with NRe as
(A) Np ∝ NRe
(B) Np ∝ √NRe
(C) Np → constan
(D) Np ∝ 1/NRe

1 Answer

Answer :

(D) Np ∝ 1/NRe

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