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UKTN TNflow v3.10 Software
 

UKTN TNflow v3.10

UKTN TNflow v3.10

TNflow is addressing the needs of engineers dealing with fluid flow measurement by means of pressure differential devices. TNflow may be used to calculate:

  • primary device diameter (bore diameter) for declared full scale flowrate and related value of differential pressure;
  • differential pressure for declared bore diameter and flowrate;
  • flowrate for declared bore diameter and differential pressure.

Any of the above calculations is supplemanted by:

  • diameters corrections for thermal expansion;
  • bounds of measurement range calculations;
  • upper limit of upstream pipe roughness calculations;
  • upper limit of sharp edge radius calculations;
  • required upstream and downstream straight lengths calculations;
  • uncertainty analysis of flowrate measurement at a single point and in the entire measurement range;
  • bias "linear scale" error analysis.
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