The aim of this work is to optimize the pipework system in the absorber plate of a solar thermal collector in relation to uniform flow and a lower decrease in pressure for modern solar heating systems inspired by nature. The other parts of the collector like housing, insulation, and the transparent cover should be the same as in common flat plate collectors using the existing production equipment and maintaining the production line. It is essential to tag the problems of common solar panels and to define the parameters meaningful for the fluid mechanics evaluation. The first part of this work...