This chapter has information about the heat transfer interfaces used for modeling, particularly in porous media. As with all other physical descriptions simulated by COMSOL Multiphysics®, any description of heat transfer can be directly coupled to any other physical process. This is particularly relevant for systems based on chemical reactions and mass transfer along with fluid flow. The following physics interfaces can be found under the Heat Transfer branch () when adding a physics interface:

Some of these interfaces are available with COMSOL Multiphysics and described in the COMSOL Multiphysics Reference Manual. Others are only available for the Porous Media Flow module and the Heat Transfer module. Please take a look at the Specification chart for a detailed overview of the functionality available in each product (www.comsol.com/products/specifications/).

In this chapter you will find assistance in selecting the right heat transfer interface for your application by getting a short overview over the different interfaces available. Furthermore, the important mechanisms of heat transfer are introduced. However, a detailed list of available domain and boundary conditions and other features for each interface as well as introductions to the theory of the implemented features are presented in the Heat Transfer Module User’s Guide. You will find the links to the appropriate chapters in the text below.

Some of the physics interfaces found under the Heat Transfer branch are predefined multiphysics interfaces and are therefore described in Chapter Multiphysics Interfaces and Couplings.