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  1. oaskar

    Calculating Static Pressure gain in expansion

    In doing the pressure drop calculations based on the expansion of the 8"D to a 10"D and also eliminating the 45 degree elbows, do i need to calculate the SP gain in expansion(if so is the Static Regain factor = old cross sectional area/new?) or is it unnecessary if I just know how much...
  2. oaskar

    Calculating Static Pressure gain in expansion

    In doing the pressure drop calculations based on the expansion of the 8"D to a 10"D and also eliminating the 45 degree elbows, do i need to calculate the SP gain in expansion(if so is the Static Regain factor = old cross sectional area/new?) or is it unnecessary if I just know how much...
  3. oaskar

    How to determine duct sizes from calculated pressure drops?

    I'm trying to convey 125lbs/min of dry product pneumatically to a cyclone separator. The optimum velocity is 5000 fpm in a 10"d*100'L pipe. In trying to size a fan with the capacity to do that, I know i can use darcy's on the air part of the flow but what about the product? thanks
  4. oaskar

    How to determine duct sizes from calculated pressure drops?

    Well it's a whole system so there's different sizes but let's take 26" round Sch.40 Steel pipe 40' long with 5000fpm velocity. Does this calculator only apply to Galvanized Steel pipes? Thank you
  5. oaskar

    How to determine duct sizes from calculated pressure drops?

    yedwa, Does this apply to pneumatic transport of dry products(pellets) too??
  6. oaskar

    How to determine duct sizes from calculated pressure drops?

    I'm trying to redesign a pneumatic transport system, so I know that the optimum velocity to move my product is 5000 fpm and i know our production rates, my question is how do i know if the current duct sizes are suitable for the new air volume that i assumed
  7. oaskar

    How to determine duct sizes from calculated pressure drops?

    I'm trying to redesign a pneumatic transport system, so I know that the optimum velocity to move my product is 5000 fpm and i know our production rates, my question is how do i know if the current duct sizes are suitable for the new air volume that i assumed.
  8. oaskar

    How to determine duct sizes from calculated pressure drops?

    I'm trying to redesign a pneumatic transport system, so I know that the optimum velocity to move my product is 5000 fpm and i know our production rates, my question is how do i know if the current duct sizes are suitable for the new air volume that i assumed

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