I need some help with COMSOL MULTIPHYSICS. I don´t have any experience with FEM analysis. I am solving a non isothermal flow model, and I am varying heat flux that enters in the subdomain through one boundary. I set a value for heat flux, solve it and increase the value to solve the model again...
What I need to know is why there is a limit value for heat flux for which the model doesn´t converge, keeping all other settings the same. If the problem is the grid and I have to refine it I will have to run it in other machine. Also, if I have to reach 2exp6 W/m^2, I don´t know what size of...
Hi I am trying to simulate the heating of a copper disc with a laboratory burner (Meker Burner) but I need the value of heating power of the propane Meker burner. Anyone of you has worked with this kind of burner and could give me a value of heating power or maybe heat flux (diameter of burner...
The sorroundings of burner and disc is air and I set all properties as constants. The flow is free convection and density is calculated by the Boussisnesq aproximation as a temperature function. The analysis is steady state because I want to solve the problem for the real value of heat flux of...
Hi everybody. This is my first post in this forum. I am working with COMSOL MULTIPHYSICS and I am trying to model a laboratory burner (Meker burner) heating a copper disc placed above the burner. I am modelling the burner as a boundary setting of heat flux entering the domain. I have obtained a...