how to see the time that the particle stays in the fluid region of the cfx-post?

dada1204 · November 11, 2010, 21:19

how to see the time that the particle stays in the fluid region of the cfx-post?Is it correct to use the streamline when selecting the time as the color mode variable option ?Or I should insert the particle track and select the particle time or particle travelling time as the color mode variable option ?
Is there any difference?

bharath · November 12, 2010, 21:39

you can do some simple problem to clarify your doubts

dada1204 · November 12, 2010, 22:48

Thank you ,but can you give me an example?

bharath · November 13, 2010, 12:09

actually when you plot the time on streamline option it won't consider the mass of the particle(zero mass particles).to get the actual residence time you should get it from the particle track time option here the buoyancy effect will affect the residence time. you can do some simple duct problem and by animating in post you feel the difference.

November 11, 2010, 21:19	how to see the time that the particle stays in the fluid region of the cfx-post?	#1
dada1204 New Member Join Date: Oct 2010 Posts: 18 Rep Power: 16	how to see the time that the particle stays in the fluid region of the cfx-post?Is it correct to use the streamline when selecting the time as the color mode variable option ?Or I should insert the particle track and select the particle time or particle travelling time as the color mode variable option ? Is there any difference?

November 12, 2010, 22:48	can you give me an example?	#3
dada1204 New Member Join Date: Oct 2010 Posts: 18 Rep Power: 16	Thank you ,but can you give me an example?

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November 12, 2010, 21:39		#2
bharath Senior Member Bharath kumar Join Date: Apr 2009 Posts: 169 Rep Power: 17	you can do some simple problem to clarify your doubts

November 13, 2010, 12:09		#4
bharath Senior Member Bharath kumar Join Date: Apr 2009 Posts: 169 Rep Power: 17	actually when you plot the time on streamline option it won't consider the mass of the particle(zero mass particles).to get the actual residence time you should get it from the particle track time option here the buoyancy effect will affect the residence time. you can do some simple duct problem and by animating in post you feel the difference.