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AN EXPERIMENTAL STUDY OF THE COARSE DROPLETS FORMATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
The paper introduces the first results from a new steam/air wind tunnel built in order to study the coarse water droplets in steam turbines and their formation. The wind tunnel was designed with the aim to have a testing ...
EXPERIMENTAL AND NUMERICAL ASSESSMENT OF A LAST STAGE ST BLADE DAMPING AT LOW LOAD OPERATION
(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 ...
HIGH TEMPERATURE CYCLIC TEST RIG – A NEW RIG FOR HOT GAS PARTS LIFETIME VALIDATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
Flexible gas turbine operation requires adapted hot gas parts design and lifetime assessment methods. The High Temperature Cyclic Test Rig (HTCTR) is developed to cyclically test internally cooled components from combustor ...
COMPARISON OF TOTAL PRESSURE FLUCTUATIONS IN STEAM TURBINE STAGES WITH DIFFERENT DEGREE OF REACTION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
The contribution deals with analysis of unsteady pressure measurement in one and half axial turbine stages. The measurement was performed in VZLU air test turbine. Two stages geometries with different degree of reaction ...
CALIBRATION OF BTT MEASUREMENT WITH RESPECT TO SENSOR POSITION OVER SHROUDED LSB
(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 ...
BTT & RFLB - THE OPTIMUM SET FOR STEAM TURBINE BLADES MONITORING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
BTT, Blade Tip Timing system, is a commercially available system generating files of precise times of blade tips when passing sensors attached in a machine stator. RFLB, Residual Fatigue Life of Blades, is a postprocessor ...