A​bstract

In automotive refrigerant compressors, the valve assembly has a distinct influence on the efficiency and functionality of the refrigeration cycle. In order to improve in-depth understanding of the valve’s functionality, transient flow and oscillation characteristics of reed valves are investigated by means of fluidstructure interaction (FSI) simulation. Using a two-way coupling of structural (FEM) and fluid (CFD) submodels, 3D-FSI valve prototypes are developed. In order to evaluate the applied FSI simulation method, preliminary studies, such as the Turek-Hron benchmark, are carried out. Based on experimental data the virtual valve prototypes are validated, taking into account both stationary valve characteristics and transient valve lift curves. On the basis of these validated three-dimensional valve prototypes, a new method for the virtual calibration of reduced valve models is presented.