Dynamic loads of reciprocating compressors with flexible bearings

The paper analyzes the visco-elastic bearing loads in the dynamic model of a reciprocating refrigeration compressor. The model incorporates the gyroscopic interactions due to the radial movement of the bearings. The Newton–Euler method is used in the analysis, establishing the necessary differential equations that describe the movement of the system, leading also to the calculation of orbital displacements of the bearings.

► The work builds a model of the dynamics of reciprocating compressors.
► Visco-elastic bearing loads and displacements are integrated to the model.
► The formulation is an enhancement from usual pinned bearing models.
► Dissipative forces stabilize bearings orbits.