Hi, I have read much about Closed Flare System, and Always understand that this system are afected by forces generated by flow, and is neccesary to make something consideration about this system desig, but, my dude is... exit any design very good ?, any system that does'n have this force (by the flow) ? Is necesary to make always the consideration ? What about with systems designer ? They are wrong ?

Thank you

from mexico city