Prohlížení Acta Polytechnica CTU Proceedings. 2018, vol. 20 dle autora "Kubín, Zdeněk"

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    • CALIBRATION OF BTT MEASUREMENT WITH RESPECT TO SENSOR POSITION OVER SHROUDED LSB 

      Autor: Dadáková, Tereza; Kubín, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In order to increase efficiency and reliability of steam turbines, last stage blades are equipped with mid-span tie-boss and shroud. We can use Blade Tip-Timing method (BTT) to measure vibration of shrouded blades, but the ...

    • EXPERIMENTAL AND NUMERICAL ASSESSMENT OF A LAST STAGE ST BLADE DAMPING AT LOW LOAD OPERATION 

      Autor: Bessone, Andrea; Carassale, Luigi; Guida, Roberto; Kubín, Zdeněk; Lo Balbo, Antonio Alfio; Brunenghi, Michela Marrè; Pinelli, Lorenzo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      As LP steam turbines are requested to work at strong part-loads, LSB stalled and unstalled flutter may occur. Testing on a downscaled steam turbine in T10MW test plant have been carried out to measure LSB aggregated damping ...