Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 14 (Q.No. 2)

Fluid Mechanics

2.

Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε₀) with age/time (t) (where, ε = roughness of the surface after time't'. α = a co-efficient to be experimentally determined)?

ε = ε₀ + α.t

ε = ε₀ + α.t²

ε = ε₀ + α.t³

ε = ε₀ + α.t⁴

Answer: Option

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