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This paper presents the results of the analysis of the dynamic performance of a rotor that is a component of the ORC turbine set with the net electrical output of 100 kW and the nominal speed of 9000 rpm. This device is dedicated for municipal Local Energy Centres (LEC). The research was conducted using tools capable of performing the necessary simulation of the system operating under highly unstable...
Report data from periodic overhauls of skips and cages operated in one underground mine in Poland indicate that the majority of registered defects of load-bearing elements include broken wires and cracks developing in load-bearing cables. Of particular interest is cable bending while the conveyance is being guided in the shaft due to interaction forces between the shaft steelwork and the conveyance...
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