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Ships’ hull usually works in a hard environment caused by static forces and permanent dynamic loads. Modelling of dynamical reactions could bring information to the designer for recognizing the level of hazard for hull structure and propulsion system. A paper presents a proposal of identification of a degree of hazard the ship’s hull forced from underwater explosion. A theoretical analysis was made...
Ships' propulsion plant usually works in a hard environment caused by static forces and permanent dynamic loads. Exciding of tolerated values of shaft alignments causes a damage of radial and thrust bearings in relative short time. Modeling of dynamical reactions could bring information to the designer for recognizing the level of hazard for propulsion system. A paper presents a proposal of identification...
Ships' propulsion plant usually works in a hard environment caused by static forces and permanent dynamic loads. Elastic strains from machine vibration can cause resonance of plastic strain of shell plating and foundation of shafting elements. Exciding of tolerated values of shaft alignments causes a damage of radial and thrust bearings in relative short time. The alignment deviations in the construction...
The paper reports on the results of utilising the measurements of magnetic properties of ferromagnetic materials for evaluating mechanical stress and detecting faults in machine parts. The changes of magnetic parameters were evaluated by investigating the field excited by external magnets. In the course of experimental and numerical studies a measuring probe was designed to determine magnetic field...
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