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Om Pratap Singh
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Basic Equations: a.) Continuity: mass in = mass out b.) Bernoulli’s Eqn. Total pressure is  constant throughout i.e. ½  ρ V 2  + P  =constant For a fluid flowing in a horizontal pipe.   m 1 =m 2 & m =  ρ AV .’.  ρ 1 A 1 V 1 =  ρ 2 A 2 V2 For incompressible fluids ρ 1 = ρ 2 Thus  A 1 V 1 = A 2 V 2
 
P 1 P 2 d D D/2 D P 1 P 2 Vena contracta
 
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Magnetic flowmeters will generally not work with hydrocarbons,distilled water and many non-aqueous solutions.
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Flow Measurement

  • 2.
  • 3. Basic Equations: a.) Continuity: mass in = mass out b.) Bernoulli’s Eqn. Total pressure is constant throughout i.e. ½ ρ V 2 + P =constant For a fluid flowing in a horizontal pipe. m 1 =m 2 & m = ρ AV .’. ρ 1 A 1 V 1 = ρ 2 A 2 V2 For incompressible fluids ρ 1 = ρ 2 Thus A 1 V 1 = A 2 V 2
  • 4.  
  • 5. P 1 P 2 d D D/2 D P 1 P 2 Vena contracta
  • 6.  
  • 7.
  • 8.
  • 9. Magnetic flowmeters will generally not work with hydrocarbons,distilled water and many non-aqueous solutions.
  • 10.
  • 11.
  • 12.
  • 13.