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RaphaelFilgueiras

  • 3 years ago

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

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  1. Natan
    • 3 years ago
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    64/Re

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

  3. Natan
    • 3 years ago
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    bernoulli equation + losses

  4. Natan
    • 3 years ago
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    Depending on the system configuration you make the adjustments

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

  6. RaphaelFilgueiras
    • 3 years ago
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    |dw:1343216140402:dw|

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

  8. RaphaelFilgueiras
    • 3 years ago
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    i dont know darcy formula

  9. RaphaelFilgueiras
    • 3 years ago
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    ok i get it thanks

  10. Natan
    • 3 years ago
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    \[darcy= fLV^2/2D\]

  11. RaphaelFilgueiras
    • 3 years ago
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    i think there is a \[\rho \]

  12. Natan
    • 3 years ago
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    rho is the dendisity of the fluid

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