Characterization and Analysis of H-53E Lag Damper
Young-Tai Choi, Norman Wereley, University of Maryland; Ashish Purekar, InnoVital Systems Inc.; Roberto Semidey, Nam Phan, Naval Air Warfare Center
May 17, 2016
Characterization and Analysis of H-53E Lag Damper
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- 8 pages
- SKU # : 72-2016-278
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Characterization and Analysis of H-53E Lag Damper
Authors / Details: Young-Tai Choi and Norman Wereley, University of Maryland; Ashish Purekar, InnoVital Systems Inc.; Roberto Semidey and Nam Phan, Naval Air Warfare CenterAbstract
Modeling and validation with test data of a full scale H-53E hydraulic lag dampers was investigated. A new and used lag H-53E damper were tested on a servo-hydraulic testing machine at the University of Maryland. Testing was performed under single frequency (lag mode frequency and rotor frequency) sinusoidal excitation at a range of stroking amplitudes to characterize performance. A hydro-mechanical model of H-53E lag damper was developed to predict damper behavior. Damper performance predictions using the analytical model was validated using experimentally measured data.
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Characterization and Analysis of H-53E Lag Damper
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