The emergency unloading system of cargo tank on modern product and chemical tanker. The emergency unloading system of cargo tank standard used on modern product and chemical tankers has been presented in the paper. Design of portable cargo pump with hydraulic drive has been described. Supply way with use of existing on ship board hydraulic central loading system has been shown as well as advantages of presented solution, especially it can be used in hazardous areas including explosive atmosphere.

Servo hydrostatic bearings – sleeve and membrane. The publication presents selected constructions of servo hydrostatic bearings. It presents mathematical relations which form its calculation models, necessary for project. Calculations of sample solution have been presented in graphs that allow for selection of optimal values of the design parameters.

Analysis of pressure control system in electrohydraulic system. The mathematical model and analysis results of pressure control system of hydraulic power station, where a constant displacement pump is powered by inverter-fed induction motor, are presented. The pressure control is realised by change of torque on the induction motor shaft. The tests of this pressure control method have been compared with results of throttling control method with proportional throttle or pressure valve.

Modeling of flow in cardiovascular diseases. The experience of hydraulic systems research in the development of diseases of the cardiovascular system can be useful. Problems that are quoted on the mechanics of movement indicate the complexity of the circulatory system does not give a convincing answer to the causes of cardiovascular disease. Phenomena of blood flow, as a specific case of the hydraulic system, has been discussed.