Menu

Discussion Forum

New Discussion
Filtern

Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

2D - Laminar flow and heat transfer

Posted 29.09.2017, 13:45 GMT-4 Fluid & Heat, Heat Transfer, Parameters, Variables, & Functions Version 5.3 2 Replies

Tyler Bacciarini
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Hi,

i'd like to do a 2D simulation with laminar flow and heat transfer in solid physics, but i have a problem. I have to do a square within flow the air at a temperature of 100K (inlet: left - outlet: right) and, in the middle of the square, a circle of copper (like heat source). At the bottom of the square I set a temperature of 288.15K. When I simulate, the temperature of all domain is done by the circle of copper that are heating, but the air that flows in the square doesn't influence the temperature of the domain (also if the temperature of the air is very low). Someone can help me, please? Thank you!

Attachments:

2 Replies Last Post 03.10.2017, 10:44 GMT-4
Sven Friedel COMSOL Employee

Please login with a confirmed email address before reporting spam

Posted: 7 years ago 02.10.2017, 09:08 GMT-4

Hi Tyler,

without seeing your model with settings it's hard to judge what you have done wrong. IN any case, for that kind of problem we have several well documented tutorials. I recommend starting with this one:

https://www.comsol.ch/model/heat-sink-8574

Best regards, Sven Friedel

Hi Tyler, without seeing your model with settings it's hard to judge what you have done wrong. IN any case, for that kind of problem we have several well documented tutorials. I recommend starting with this one: https://www.comsol.ch/model/heat-sink-8574 Best regards, Sven Friedel
Tyler Bacciarini
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 7 years ago 03.10.2017, 10:44 GMT-4

Hi Mr Friedel,

thank you for your reply.

In attached you can find the comsol file of my simulation.

What I need to do it's to analyze if a fluid, that flow in the square (inlet:left - outlet:right) with a temperature of 100K and a velocity of 100 m/s, can influence and how much influence the temperature of the circle in Copper in the middle of this square. This circle is an heat source of 1000 W/m3.

Making the simulation, I can't see any effect of the fluid on the copper, also increasing the velocity and decreasing the temperature of the fluid.

Can you help me please?

Thank you very much.

Hi Mr Friedel, thank you for your reply. In attached you can find the comsol file of my simulation. What I need to do it's to analyze if a fluid, that flow in the square (inlet:left - outlet:right) with a temperature of 100K and a velocity of 100 m/s, can influence and how much influence the temperature of the circle in Copper in the middle of this square. This circle is an heat source of 1000 W/m3. Making the simulation, I can't see any effect of the fluid on the copper, also increasing the velocity and decreasing the temperature of the fluid. Can you help me please? Thank you very much.

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

Suggested Content