# Fire Simulation using fluent

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 July 11, 2012, 03:55 Fire Simulation using fluent #1 New Member   Vignesh V Join Date: Jun 2012 Posts: 16 Rep Power: 6 Hi, I'm trying to model a fire inside a room of 5*5*5 (m) with a fire source of 0.1*0.1*0.1 m bottom center of the room. how do I simulate the fire to find the heat distribution in the domain. what should be the boundary conditions that I should define. please let me know the procedure. Thanks in advance

 July 11, 2012, 04:03 #2 Senior Member     Alex Join Date: Jun 2012 Location: Germany Posts: 1,306 Rep Power: 22 The easiest solution would be to model the fire as an energy source.

 July 11, 2012, 08:09 Fire Simulation using fluent #3 New Member   Vignesh V Join Date: Jun 2012 Posts: 16 Rep Power: 6 Hi, Can you elaborate the procedure.

 July 11, 2012, 10:08 #4 Senior Member     Alex Join Date: Jun 2012 Location: Germany Posts: 1,306 Rep Power: 22 Am I right assuming that you have very little experience with CFD in general and with Fluent? In this case, I strongly recommend you do some of the basic tutorials first. I will not explain the whole setup procedure since it would simply take too long and never be complete. The third tutorial Chapter 3: Introduction to Using ANSYS FLUENT: Fluid Flow and Heat Transfer in a Mixing Elbow provides almost all the techniques you need for setting up your case.

July 12, 2012, 01:26
Fire Simulation using fluent
#5
New Member

Vignesh V
Join Date: Jun 2012
Posts: 16
Rep Power: 6
I think my case is different from tutorial which you are describing.

The case is not the mixing of same fluid at different temperatures and to find the heat characteristics of the mixing fluid.

My case is related to combustion and species Transport where it can be any two combustive fluid like kerosene-air, diesel-air (as mentioned in Fluent database).

I Have created a model and working on it with various B.C's. Till now I couldn't simulate a fire.

If I could simulate the profile of fire the temperature of core is same as outside temperature. If I could simulate the temperature the location of the fire is not at the exact location.

Attached Files
 case.zip (15.9 KB, 22 views)

 July 12, 2012, 02:13 #6 Senior Member     Alex Join Date: Jun 2012 Location: Germany Posts: 1,306 Rep Power: 22 So you want to simulate a combustion process? Sorry but I misunderstood until now. I have no working knowledge about combustion modeling.

 July 12, 2012, 05:30 Fire Simulation using fluent #7 New Member   Vignesh V Join Date: Jun 2012 Posts: 16 Rep Power: 6 Thank you for your help.

 September 12, 2014, 01:39 #8 New Member   Vishnu C Join Date: Oct 2013 Posts: 22 Rep Power: 5 Hi, vignesh did you complete solving it? can you explain briefly if you did it?

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