Lecture 11.pptx - Lecture 10 CHAPTER 6 FLUID FRICTION IN...

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CHAPTER 6 FLUID FRICTION IN STEADY 1-D FLOW Reynolds number and types of flow Laminar < 2000 Turbulent > 4000 Transition 2000 - 4000 ntent/v03/030309r00.HTM Lecture 10
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LAMINAR FLOW THROUGH A CIRCULAR HORIZONTAL TUBE OR PIPE VELOCITY: V = ((r o 2 - r 2 ). (P 1 – P 2 ))/(4. . x) MAXIMUM VELOCITY: V max = ((r o 2 . (P 1 – P 2 ))/(4 . x) VOLUMETRIC FLOW RATE: Q = ((P 1 – P 2 ).  D o 4 )/(128. . x) FRICTIONAL HEATING: F = - P/  = Q.  x.(  D o 4 ) ( x) r o r
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THE EQUATIONS TO BE SOLVED IN ALL PIPE-FLOW WITH FRICTION PROBLEMS
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