Most of these studies focused on waste heat recovery as it mentioned
above. In the literature there are many kind of studies on
about usage of TEG modules for energy harvesting. Renewable
energy producing with usage of TEG modules is new and favorable
area. It is of great importance for energy producing it must be
ensured that there must be a heat flux in the TEG modules.
Heating and cooling are indispensable for generating energy from
TEG modules. Heating process commonly uses solar radiation
because of the most important energy source is sun.