heat transfer coeff and ambient temperature

gupta29505 · January 14, 2015, 15:55

Hi All,

How do I define heat transfer coeff and ambient temperature convection type boundary condition in "Heat transfer and buoyancy-driven flows" OpenFOAM standard solvers.

Thanks,
gupta

ahmmedshakil · January 14, 2015, 18:45

Hi gupta,
You can use groovyBC (https://openfoamwiki.net/index.php/Contrib/groovyBC) boundary condition for this. It's so easy to impose convection heat transfer boundary with this.

cheers
shakil

gupta29505 · January 15, 2015, 10:59

Thank you very much Shakil. I am sorry, I was not able to figure it out. Can you please send me some example.

Thank you again.

Gupta

ssss · January 15, 2015, 14:54

Do you mean a Marangoni boundary type?

gupta29505 · January 15, 2015, 15:28

It is a heat flux boundary condition where heat flux is defined as

Q/A = h (T - Tambient)

User defines h and Tambient

T is the temperature of cell next to wall.

Thanks,

ssss · January 15, 2015, 15:48

Search in the forum for Robinson boundary there have been lots of topics about it.

ahmmedshakil · January 15, 2015, 20:23

http://www.cfd-online.com/Forums/ope...acianfoam.html

gupta29505 · January 15, 2015, 20:50

Thank you, This link is very clear.

January 14, 2015, 15:55	heat transfer coeff and ambient temperature	#1
gupta29505 Member freelancer.cae Join Date: Feb 2014 Location: USA Posts: 52 Rep Power: 12	Hi All, How do I define heat transfer coeff and ambient temperature convection type boundary condition in "Heat transfer and buoyancy-driven flows" OpenFOAM standard solvers. Thanks, gupta

January 15, 2015, 10:59	Thank you	#3
gupta29505 Member freelancer.cae Join Date: Feb 2014 Location: USA Posts: 52 Rep Power: 12	Thank you very much Shakil. I am sorry, I was not able to figure it out. Can you please send me some example. Thank you again. Gupta

January 15, 2015, 15:28	thanks	#5
gupta29505 Member freelancer.cae Join Date: Feb 2014 Location: USA Posts: 52 Rep Power: 12	It is a heat flux boundary condition where heat flux is defined as Q/A = h (T - Tambient) User defines h and Tambient T is the temperature of cell next to wall. Thanks,

January 15, 2015, 20:50	Thank you	#8
gupta29505 Member freelancer.cae Join Date: Feb 2014 Location: USA Posts: 52 Rep Power: 12	Thank you, This link is very clear.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Heat Transfer Coefficient	Alberto Schroth	FLUENT	17	February 10, 2020 08:40
Heat Generation rate in W/m³	ashghan	OpenFOAM Programming & Development	0	June 27, 2014 05:42
Heat transfer UDF	felicemastronzo	Fluent UDF and Scheme Programming	0	April 27, 2012 04:38
Heat flux	felicemastronzo	FLUENT	10	April 27, 2012 04:27
Heat loss through walls	franzdrs	FLUENT	6	March 29, 2010 12:11

January 14, 2015, 18:45		#2
ahmmedshakil Senior Member Mohammad Shakil Ahmmed Join Date: Oct 2012 Location: AUS Posts: 137 Rep Power: 14	Hi gupta, You can use groovyBC (https://openfoamwiki.net/index.php/Contrib/groovyBC) boundary condition for this. It's so easy to impose convection heat transfer boundary with this. cheers shakil

January 15, 2015, 14:54		#4
ssss Senior Member anonymous Join Date: Aug 2014 Posts: 205 Rep Power: 12	Do you mean a Marangoni boundary type?

January 15, 2015, 15:48		#6
ssss Senior Member anonymous Join Date: Aug 2014 Posts: 205 Rep Power: 12	Search in the forum for Robinson boundary there have been lots of topics about it.

January 15, 2015, 20:23		#7
ahmmedshakil Senior Member Mohammad Shakil Ahmmed Join Date: Oct 2012 Location: AUS Posts: 137 Rep Power: 14	http://www.cfd-online.com/Forums/ope...acianfoam.html