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  1. bautec

    Pressure Loss Coefficient - Tee

    Thanks HVACBoston I agree with you that the open chamber shall be treated as a plenum and SR1-1 coefficient can be used for the loss from the chamber to the narrow passages. But I can't find anything on duct---> plenum in my ASHRAE copy. Would ER4-1 be a close one? Can it be treated as a...
  2. bautec

    Pressure Loss Coefficient - Tee

    please delete
  3. bautec

    Pressure Loss Coefficient - Tee

    I have looked into the minor loss coefficient of ASHRAE booklet (miss pages), unfortunately I couldn't find anything on an open chamber pressure loss (see attached drawing). Only one fan would operate at one time and the flow will diverge into two. I understand that to analyze the pressure...
  4. bautec

    Pressure Loss Coefficient - Tee

    I have looked into the ASHRAE booklet but I couldn't find anything on an open chamber

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