Browse Publications Technical Papers 2005-01-1855
2005-04-11

Numerical and Experimental Study of Turbine Blade Vibration in Variable Geometry Turbochargers 2005-01-1855

In this study the authors measured 4 blades vibration stress by 4ch FM telemeter for estimating the disk vibration and vibration stress is calculated by unsteady CFD with interaction between nozzle vanes and blades. The authors found 4 blades stress were different and agreed with disk vibration mode calculated by numerical simulation. The 4 blades simultaneous measurement technique is confirmed useful in case of changing disk vibration mode. The blade vibration stress obtained by the numerical analysis shows good agreement with measurement.

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