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In a fully turbulent flow through a rough pipe, the friction factor ‘f’ is (Re is Reynolds number and ξs/D is relative roughness)
- a)a function of Re
- b)a function of Re and ξs/D
- c)a function of ξsD
- d)independent of Re and ξoD
Correct answer is option 'C'. Can you explain this answer?
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In a fully turbulent flow through a rough pipe, the friction factor &l...
Depends on the Reynolds number and the relative roughness of the pipe. The friction factor is typically calculated using the Colebrook equation or the Moody chart. The Colebrook equation is:
1 / √f = -2.0 log10((ε/D)/3.7 + 2.51 / (Re √f))
where f is the friction factor, ε is the absolute roughness of the pipe, D is the diameter of the pipe, and Re is the Reynolds number.
The Moody chart is a graphical representation of the Colebrook equation and provides a quick way to determine the friction factor for a given Reynolds number and relative roughness. The friction factor increases with increasing Reynolds number and decreasing relative roughness.
1 / √f = -2.0 log10((ε/D)/3.7 + 2.51 / (Re √f))
where f is the friction factor, ε is the absolute roughness of the pipe, D is the diameter of the pipe, and Re is the Reynolds number.
The Moody chart is a graphical representation of the Colebrook equation and provides a quick way to determine the friction factor for a given Reynolds number and relative roughness. The friction factor increases with increasing Reynolds number and decreasing relative roughness.
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In a fully turbulent flow through a rough pipe, the friction factor ‘f’is (Re is Reynolds number and ξs/D is relative roughness)a)a function of Reb)a function of Re and ξs/Dc)a function of ξsDd)independent of Re and ξoDCorrect answer is option 'C'. Can you explain this answer?
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