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How to build current blower fan model in Flotherm

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Old   January 26, 2015, 04:49
Question How to build current blower fan model in Flotherm
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Eric Lin
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Method 1:Build fan housing geometry and create one fan (smart part) at fan outlet fan construction:rectangular fan and dedine non-linear fan curve

Method 2:Build fan housing geometry and create two fan (smart part) at fan inlet(top&buttom) fan construction:Axial fan and dedine non-linear fan curve

Method 3:Build fan housing geometry and create recirculation devices fan construction one supply and two extract

Question 1:Which way is best method for blower fan?

Question 2:About P-Q curve, Why the fan outlet flow rate can't meet P-Q SPEC? such as SPEC Qmax=15 CFM, but fan outlet flow rate just only 12 CFM

Question 3:When I use method 2, How do I define P-Q curve value for two fan?
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Old   January 27, 2015, 03:06
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Gabriel Ciobanu
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hello,

this might be useful: http://webparts.mentor.com/flotherm/...arts/v6blower/

somehow it tells you to use "method 3"

Best regards, Gabriel
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