The University of Florence (FIR) is a RTD performer. The Industrial Engineering Department “Sergio Stecco” of FIR has a strong experience in the development and co-ordination of scientific research in the fields of energy conversion, power plants and machinery used within these processes. Within the framework of this project, FIR will mainly contribute to the design, the development and the test of the new expander. Since FIR has a strong tradition in the field of heat engine research (design and test), it has the technological excellence and know how to contribute to achieve the technical objectives for the benefit of the participating SMEs. The FIR personnel to be involved in the current project has considerable experience in numerical and experimental facilities, while they have conducted experimental research with many important industrial partners.