Rotaing Valve

bertozzi_marco · August 14, 2013, 12:42

Hallo Everybody
Please look at the video via the link below to have an idea about what I whant to do....

http://www.youtube.com/watch?v=jAZLe...ature=youtu.be

bertozzi_marco · August 14, 2013, 12:49

You can see a rotating channel, it rapresent a rotaing valve
that block the fluid flow running along the external pipe.

First I tought to model the rotating pipe with a rotating domain, but
the problem is the interface,
The rotating domain has an interface first with the fluid of the principal
channel and with the rotation, the interface switch to the solid ring that
close the principal fluid flow.

With CFX I wasn't able to configure a similar interface....
any advice ?????

Thankyou

ghorrocks · August 14, 2013, 17:54

This is easy to implement.

The rotating pipe is put in a rotating frame of reference, the rest in a stationary frame of reference. Then you define a GGI with one side of the GGI contains both ports of the rotating pipe, and the other side contains both sides of the stationary pipe. You set the GGI as transient rotor stator with no pitch correction and you are done!

bertozzi_marco · August 15, 2013, 02:54

hallo Glenn, thanks for your reply,
you mean a thing like this, without the metal ring ???

http://www.youtube.com/watch?v=Ny0n7...ature=youtu.be

ghorrocks · August 15, 2013, 05:52

With or without the metal ring it is easy to implement.

August 14, 2013, 12:42	Rotaing Valve	#1
bertozzi_marco Member Marco Join Date: Jul 2013 Location: Italy Posts: 36 Rep Power: 12	Hallo Everybody Please look at the video via the link below to have an idea about what I whant to do.... http://www.youtube.com/watch?v=jAZLe...ature=youtu.be

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August 14, 2013, 12:49		#2
bertozzi_marco Member Marco Join Date: Jul 2013 Location: Italy Posts: 36 Rep Power: 12	You can see a rotating channel, it rapresent a rotaing valve that block the fluid flow running along the external pipe. First I tought to model the rotating pipe with a rotating domain, but the problem is the interface, The rotating domain has an interface first with the fluid of the principal channel and with the rotation, the interface switch to the solid ring that close the principal fluid flow. With CFX I wasn't able to configure a similar interface.... any advice ????? Thankyou

August 14, 2013, 17:54		#3
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	This is easy to implement. The rotating pipe is put in a rotating frame of reference, the rest in a stationary frame of reference. Then you define a GGI with one side of the GGI contains both ports of the rotating pipe, and the other side contains both sides of the stationary pipe. You set the GGI as transient rotor stator with no pitch correction and you are done!

August 15, 2013, 02:54		#4
bertozzi_marco Member Marco Join Date: Jul 2013 Location: Italy Posts: 36 Rep Power: 12	hallo Glenn, thanks for your reply, you mean a thing like this, without the metal ring ??? http://www.youtube.com/watch?v=Ny0n7...ature=youtu.be

August 15, 2013, 05:52		#5
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	With or without the metal ring it is easy to implement.