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Old   December 13, 2005, 03:27
Default Doubt regarding wasching machine simulation
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Rashmi
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Dear all, I m going to do a CFD simulation on washing machine...and the fluid model of the same has three domains namely....stationary tub, rotating domains-2.

One rotating domain shud be in clk wise and the other shud be in anti clk wise....How shall i define...this condition ?

Actually this I approximated like the one I have mentioned above.But really what is happening is It is having 2 sec clk-wise,1.2 sec idle and another 2 sec anti clk-wise rotation.

How shall I interpret this kind of situation in CFX simulation.Any better ideas ??? Plz forward.

Thnx in advance !!! Rashmi
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Old   December 13, 2005, 05:44
Default Re: Doubt regarding wasching machine simulation
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Bart Prast
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You sure get a clean solution then. ;-)

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Old   December 13, 2005, 06:58
Default Re: Doubt regarding wasching machine simulation
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TB
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Is this a 2-phase flow problem?
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Old   December 13, 2005, 07:19
Default Re: Doubt regarding wasching machine simulation
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Bart Prast
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Some usefull links: http://www.fluent.com/solutions/examples/x140.htm http://www.cfd-online.com/Links/prin...e=286&file=org http://www.infolink.com.au/articles/5b/0c03945b.asp (single phase washing machine)

Looks like a two-phase problem (in general).

BTW: the correct spelling is washing machine (google told me)
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Old   December 14, 2005, 02:25
Default Re: Doubt regarding wasching machine simulation
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Rashmi
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It is a single phase washing machine only.Just we are doing a sample simulation. Thts it. Thnx a lot for ur efforts bart prast.... And thnx a lot for correcting the spelling of "washing" tooo...It was in a hurry, made a mistake.

I got into the links which u specified.lemme see for some info regarding my doubts.

regards Rashmi

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Old   December 14, 2005, 03:46
Default Re: Doubt regarding wasching machine simulation
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TB
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There's air inside (quite a lot actually) when I look at how my washing machine wash my clothes.

From practical pt of view, I can hardly see any cheap solution to build up a washing machine without air.

I can also imagine that flow will behave differently if air is mixing with water. Will running single phase simulation give realistic solution?

If you're single phase simulation, just set up a transient simulation defining the speed of the rotating wall.
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Old   September 20, 2010, 02:00
Default washing machine simulaton
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Rana
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Rashmi, do u have any materials or literature regarding the washing machine simulation? if yes, can u send me the papers.
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