Thermo properties

Khelian973 · May 4, 2009, 05:04

Hi Foamers,

Im doing some simulation about a case (version 1.5) where the fluid properties depend on the temperature... I would like to know if we can define non constant properties in OF and how to do it
Thanks in advance
Kyian

Khelian973 · June 12, 2009, 03:57

Hi Foamers,

I have no answer so maybe i will try to give more explanation.
In my case i have 2 solids where Cp and k (thermal conductivity) are both a function depending on temperature.
I would like to define this function in the thermal properties dictionnary. but i dont know how to do it, or if it's possible.

I search in the forum any threats but i didnt find one. I started OpenFOAM a few weeks ago so maybe my research was wrong.

Thanks in advance
Kyian

s.sivakumar · July 3, 2009, 01:34

Hello Kyian,
can you please explain your problem once again. its confusing me.

by,
siva

Khelian973 · July 10, 2009, 03:06

Hi sivakumar

I will try to explain u again. sorry for my english...

In my case, the solid and fluid properties (Cp and the thermal coefficient K) are not constant but depend on the temperature. In fact, cp and K are both a linear function depends on temperature.
I would like to know if it's possible to enter this equation and how to do it.
I hope it's clearer this time

rogbrito · July 19, 2009, 12:21

Where can I find the last version of OF to download? Is it easy to install? What´s the distribution of linux (32 bits) i must use?

Rogerio .

s.sivakumar · July 20, 2009, 05:00

hi,
you can download openFOAM latest veriosn, go to the website http://www.opencfd.co.uk/openfoam/linux.html and select linux 32 bit, download all (openFOAM software and third-party software)
to install the openFOAM just go through the README file.

by,
siva.

May 4, 2009, 05:04	Thermo properties	#1
Khelian973 New Member Kyian Barrat Join Date: Apr 2009 Posts: 25 Rep Power: 17	Hi Foamers, Im doing some simulation about a case (version 1.5) where the fluid properties depend on the temperature... I would like to know if we can define non constant properties in OF and how to do it Thanks in advance Kyian

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June 12, 2009, 03:57		#2
Khelian973 New Member Kyian Barrat Join Date: Apr 2009 Posts: 25 Rep Power: 17	Hi Foamers, I have no answer so maybe i will try to give more explanation. In my case i have 2 solids where Cp and k (thermal conductivity) are both a function depending on temperature. I would like to define this function in the thermal properties dictionnary. but i dont know how to do it, or if it's possible. I search in the forum any threats but i didnt find one. I started OpenFOAM a few weeks ago so maybe my research was wrong. Thanks in advance Kyian

July 3, 2009, 01:34	hi	#3
s.sivakumar New Member sivakumar Join Date: May 2009 Posts: 12 Rep Power: 16	Hello Kyian, can you please explain your problem once again. its confusing me. by, siva

July 10, 2009, 03:06		#4
Khelian973 New Member Kyian Barrat Join Date: Apr 2009 Posts: 25 Rep Power: 17	Hi sivakumar I will try to explain u again. sorry for my english... In my case, the solid and fluid properties (Cp and the thermal coefficient K) are not constant but depend on the temperature. In fact, cp and K are both a linear function depends on temperature. I would like to know if it's possible to enter this equation and how to do it. I hope it's clearer this time

July 19, 2009, 12:21		#5
rogbrito Senior Member Jack Join Date: Mar 2009 Posts: 106 Rep Power: 16	Where can I find the last version of OF to download? Is it easy to install? What´s the distribution of linux (32 bits) i must use? Rogerio .

July 20, 2009, 05:00		#6
s.sivakumar New Member sivakumar Join Date: May 2009 Posts: 12 Rep Power: 16	hi, you can download openFOAM latest veriosn, go to the website http://www.opencfd.co.uk/openfoam/linux.html and select linux 32 bit, download all (openFOAM software and third-party software) to install the openFOAM just go through the README file. by, siva.