Restricted flow pathway -- CFD Online Discussion Forums

February 21, 2007, 06:15	Restricted flow pathway	#1
John Martyn Guest Posts: n/a	Hi all, I've got a balloon catheter product which basically consists of a long small diameter cylinder attached to a larger diameter cylindrical balloon. I would like some info regarding what would govern the gas flow characteristics for a model of this structure, i.e with varying diameters and lengths, etc. What are the equations involved and specifically what would happen to the characteristics if there were reductions in the main shaft diameter. Also, what would the differences be in flow characteristics between air and liquids? All help is greatly appreciated. Kind regards, John

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