Overview of the organic Rankine cycles and their current utilization: Verification of several current ORCs utilization by the software Dymola

This paper is focused on the usage of the organic Rankine cycles in the current and the new proposed electric power plants. Firstly, the current situation of the usage of these cycles is mentioned. In the next part, the motivation of the utilization, advantages and disadvantages of these cycles are described. Then these cycles are divided by the different working fluids. Further, the modeling of the cycles and an investigation of the consequent impact is performed. It is crucial to determine the convenient working fluid and the optimal design of the structure of the whole cycle during proposal of the cycle. The principle of these cycles has been well known for many decades. Currently, there are several situations where the cycles can be used. Moreover, the cycles can be more effective way of the utilization of the heat sources with lower temperature than the classic thermal cycles.