VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University214610.18287/2541-7533-2012-0-3-2(34)-21-26UnknownAn experimental technique for efficiency assessment of ring dampers for gas turbine engine bliskNikhamkinM. S.<p>Doctor of Technical Sciences</p>
<p>Professor at Aircraft Engine Department</p>Nikhamkin@mail.ruBalakirevA. A.<p>Postgraduate Student, Junior Research Assistant at Aircraft Engine Department</p>1st.LeoNao@gmail.comVoronovL. V.<p>Candidate of Technical Sciences</p>
<p>Associate Professor of Aircraft Engine Department</p>1st.LeoNao@gmail.comPerm National Research Polytechnic University02102012113-221261802201518022015Copyright © 2015, VESTNIK of the Samara State Aerospace University2015<p>An experimental technique is developed to estimate efficiency of ring dampers for gas turbine engine blisk usingthe scanning laser vibrometry method. Four damper types based on split friction rings with different sizes are studied. Itis shown that ring dampers increase damping efficiency up to 20 times.</p>Gas turbin enginesbliskvibration dampingГазотурбинные двигателиблискидемпфирование колебаний