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RaphaelFilgueiras

when we have a laminar flow in a circular tube the friction factor is 16/Re or 64/Re?

  • one year ago
  • one year ago

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  1. Natan
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    64/Re

    • one year ago
  2. RaphaelFilgueiras
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    @natan what is formula for the difference of pressure in a laminar flow in this tube?

    • one year ago
  3. Natan
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    bernoulli equation + losses

    • one year ago
  4. Natan
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    Depending on the system configuration you make the adjustments

    • one year ago
  5. RaphaelFilgueiras
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    he give me the diameter 1cm,the avg velocity 0.2 m/s the temperature is 10 ºC

    • one year ago
  6. RaphaelFilgueiras
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    |dw:1343216140402:dw|

    • one year ago
  7. Natan
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    in this case \[DeltaP=\rho \times Darcy\]

    • one year ago
  8. RaphaelFilgueiras
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    i dont know darcy formula

    • one year ago
  9. RaphaelFilgueiras
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    ok i get it thanks

    • one year ago
  10. Natan
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    \[darcy= fLV^2/2D\]

    • one year ago
  11. RaphaelFilgueiras
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    i think there is a \[\rho \]

    • one year ago
  12. Natan
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    rho is the dendisity of the fluid

    • one year ago
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