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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Contactless Measuring Method of Blade Vibration during Increasing Turbine Operational Speed
 Procházka, Pavel ; Vaněk, František ; Cibulka, Jan ; Bula, Vítězslav
A novel method for contactless measurements of turbine blade vibration during increasing or decreasing operational speed is presented. The method is based on the evaluation the time differences of blade tips passing along contactless sensors placed on the stator, and the substitution data correction using a numerical model. The method has been verified both numerically and experimentally. For the experimental research on the model bladed wheel of the Institute of Thermomechanics and subsequent applications in operating conditions, two new types of sensors functioning on the magnetoresistive and induction principle have been developed.
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