Simulation of a Heat Transfer in Porous Media
  We are motivated to model a heat transfer to a multiple layer regime and their optimization for heat energy resources. Such a problem can be modeled by a porous media with different phases (liquid and solid).   The idea arose of a geothermal energy reservoir which can be used by cities, e.g. Berlin.   While hot ground areas are covered to most high populated cites, the energy resources are important and a shift to use such resources are enormous.   We design a model of the heat transport via the flow of water through the heterogeneous layer of the underlying earth sediments.   We discuss a multiple layer model, based on mobile and immobile zones.   Such numerical simulations help to economize on expensive physical experiments and obtain control mechanisms for the delicate heating process. 
Juergen Geiser
math-ph math.MP math.NA