An experimental investigation of wall pressure fluctuations beneath non‐equilibrium turbulent flows

1988 ◽  
Vol 83 (4) ◽  
pp. 1698-1698
Author(s):  
Theodore M. Farabee
Keyword(s):  
Experimental Investigation ◽  
Turbulent Flows ◽  
Pressure Fluctuations ◽  
Wall Pressure ◽  
Wall Pressure Fluctuations ◽  
Non Equilibrium

Active Control Methods of Flow-Induced-Vibrations: Near-Wall-Turbulent-Pressure-Fluctuation Measurements

2002 ◽  
Author(s):  
Efim B. Kudashev ◽  
Leonid R. Yoblonik
Keyword(s):  
Turbulent Flows ◽  
Pressure Fluctuations ◽  
Wall Pressure ◽  
Control Methods ◽  
Flow Induced Vibration ◽  
Active Method ◽  
Wall Pressure Fluctuations ◽  
Turbulent Pressure ◽  
Flow Induced Vibrations ◽  
Near Wall

Near-wall pressure fluctuations in turbulent flows are of considerable interest in many engineering applications. We shall concentrate on a number of specific questions related to the resolution of components of wall pressure spectra. Our emphasis shall be on outstanding problems of experiment and theory and their relationship to one another. A study on pressure fluctuations transducer’s interaction with wall vibration resulting from near-wall turbulent flows has been performed. Piezoelectric pressure transducer generates the signal also on vibration influence. Algorithm of assign of turbulent surface pressure in conditions of flow-induced-vibration is suggested. An active method of vibration control has been developed.

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