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AIR CONDITIONING DUCTS |
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Marfi 
Newbie 
Joined: 08.Apr.2010 Location: Spain Using: AutoCad, Inventor, SolidWorks, Sketchup Status: Offline Points: 5 |
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 Topic: AIR CONDITIONING DUCTSPosted: 14.Apr.2019 at 18:59 |
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Hi! Does anynone know how to draw air conditionins duts. I know there is a specific way with some geometrical features. Thanks!
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Robert_D
Senior Member 
Joined: 21.Oct.2013 Location: United States Using: BricsCAD v18, AutoCAD2006 Status: Offline Points: 205 |
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Posted: 15.Apr.2019 at 23:22 |
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Marfi
Newbie
Joined: 08.Apr.2010 Location: Spain Using: AutoCad, Inventor, SolidWorks, Sketchup Status: Offline Points: 5 |
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Posted: 16.Apr.2019 at 12:23 |
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Hi, thank you Robert, there is almost everything I was looking for. What I was specifically looking for is the bifurcation points. When one duct turns into two. I know there must be considered some geometrical features in terms of radius to keep the same flow. Thanks a lot |
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Robert_D
Senior Member
Joined: 21.Oct.2013 Location: United States Using: BricsCAD v18, AutoCAD2006 Status: Offline Points: 205 |
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Posted: 16.Apr.2019 at 17:36 |
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I have other HVAC dwg.s, but much too large to upload here.
With bifurcation points, consideration has to be given to equivalent volume / area (relative to the main trunk from whence they originate). As you mentioned radii are important to ensure uniform airflow, reducing pressure drops. Also consider turning vanes to smoothly allow airflow thru radii (as well as reduce airflow noise) |
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Marfi
Newbie
Joined: 08.Apr.2010 Location: Spain Using: AutoCad, Inventor, SolidWorks, Sketchup Status: Offline Points: 5 |
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Posted: 19.Apr.2019 at 21:22 |
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Thank you Robert, this is what I really want to know, how to draw bifurcation points. I can't find any document in which I can see how are roles to draw this part of ducts. If you have any I Will be pleased. Thanks again. |
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