Determination of friction factor of a given pipe with circular cross section


Objective of the experiment is to determine (i) Darcy’s friction factor (f) of the given circular pipe (ii) Plot Darcy’s friction factor with Re (x-axis). 


  • Make a discussion on your observation.
  • Take a picture of the test setup during experiment & paste that with the report sheet.


  • Reading is to be taken when the flow through the channel is almost steady.
  • Readings are to be taken carefully so that chances of errors (like parallax error, human error during stop watch reading etc.) are minimized.
  • Dye insertion should be gradual so that pipe flow is not disturbed.

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