# Solar still

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 July 29, 2011, 02:21 Solar still #1 Member   Vaibhav Rai Khare Join Date: Jul 2011 Location: Jaipur Posts: 37 Rep Power: 7 hiii..i want to do CFD on solar still..can u help me from where to start..m new to fluent..

 July 29, 2011, 03:08 #2 New Member   Join Date: Aug 2010 Posts: 20 Rep Power: 8 hi! first of all what exactly do you want to simulate? if you're really new to fluent you should first start with the tutorials of fluent. especially eulerian multiphase model, and solidification. i've never used fluent for condensation but those tutorials should help you. good luck!

 July 29, 2011, 04:13 #3 Member   Vaibhav Rai Khare Join Date: Jul 2011 Location: Jaipur Posts: 37 Rep Power: 7 ohkkk...thnkx..i want to stimulate the losses in solar still...

 July 29, 2011, 04:18 #4 New Member   Join Date: Aug 2010 Posts: 20 Rep Power: 8 we are talking about this right? http://en.wikipedia.org/wiki/Solar_still what losses exactly? water drops which fall too early to the ground and not into the cup?

 July 29, 2011, 04:20 #5 Member   Vaibhav Rai Khare Join Date: Jul 2011 Location: Jaipur Posts: 37 Rep Power: 7 yeah..m talkin abt this only..energy loss...v get only 28-30% efficiency in normal solar still..so i hav to calculate the losses..

 July 29, 2011, 04:32 #6 New Member   Join Date: Aug 2010 Posts: 20 Rep Power: 8 ah ok! now i understand! in this case it would be the best, to simulate only the radiation. that should be easy. estimate the energyabsorption of the condensation of the water at first. define which material the foil should be. (reflection, absorption and so on) define the radiation of the sun. you'll also have to estimate the absorption of the cup and the other material's of corse.

 July 29, 2011, 05:37 #7 Member   Vaibhav Rai Khare Join Date: Jul 2011 Location: Jaipur Posts: 37 Rep Power: 7 ohkk..i had made geometry of solar still in gambit..but couldn't able to find how to apply all these conditions u told..in gambit or in fluent???

 July 29, 2011, 05:52 #8 New Member   Join Date: Aug 2010 Posts: 20 Rep Power: 8 well i've never used gambit... ->crap post processor i always use ANSA. those conditions are all to setup in fluent. like material properties, boundary conditions, and so on. you really should make some tutorials for fluent.... you can find them in the manual of fluent

 July 29, 2011, 05:56 #9 Member   Vaibhav Rai Khare Join Date: Jul 2011 Location: Jaipur Posts: 37 Rep Power: 7 okk...i was searching all this in gambit... thnkx a lot..

 July 29, 2011, 06:09 #10 New Member   Join Date: Aug 2010 Posts: 20 Rep Power: 8 you're welcome

 May 16, 2015, 01:18 doubts for solar still geometry #11 Member   sivaramakrishnaiah Join Date: Mar 2009 Location: india,pondicherry Posts: 76 Rep Power: 9 sir, i am creating geometry of solar still mechanism,could you please provide reference geometry with boundary conditions. __________________ sivaramakrihnaiah

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