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Keywords: forced response
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Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021009.
Paper No: TURBO-24-1219
Published Online: October 8, 2024
...Yujun Leng; Jhansi R. Dodda; Nicole L. Key Stators with non-uniform vane spacing (NUVS) have been sought as an effective way to reduce the rotor-forced response at certain resonance crossing of concern. A comprehensive experimental study has been conducted in Purdue three-stage axial research...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021010.
Paper No: TURBO-24-1220
Published Online: October 8, 2024
...Yujun Leng; Jhansi R. Dodda; Nicole L. Key Stators with nonuniform vane spacing (NUVS) are known to effectively reduce the forced response of adjacent rotors by spreading the primary engine order (EO) excitation at a certain speed to a series of weaker excitations at nearby EOs over a wider speed...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021011.
Paper No: TURBO-21-1198
Published Online: October 14, 2022
... instability damping forced response system identification operability aeromechanical instabilities compressor stall and surge Each generation of aero-engine gas turbines has seen advances in technology overcoming major hurdles in the quest for high thrust-to-weight ratio and cycle efficiency...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081011.
Paper No: TURBO-21-1042
Published Online: March 4, 2022
.... For validation, extensive aerodynamic and forced response measurements in an 1.5-stage axial compressor with a blade integrated disk (Blisk) are presented. The excitation intensity of the vibration is controlled by varying the stagger angle of the inlet guide vane (IGV). In addition, a second engine order...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2019, 141(9): 091013.
Paper No: TURBO-18-1340
Published Online: August 1, 2019
...Shreyas Hegde; Zhiping Mao; Tianyu Pan; Laith Zori; Rubens Campregher; Robert Kielb The aerodynamic interaction of upstream and downstream blade rows can have a significant impact on the forced response of the compressor. Previously, the authors carried out the forced response analysis of a three...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 352–363.
Published Online: April 23, 2003
...J. A. Kenyon; J. H. Griffin; D. M. Feiner A method is presented for obtaining maximum bladed disk forced response from distortion of a structural mode. It is shown that maximum response from mode distortion in a bladed disk occurs when the harmonic components of a distorted mode superimpose...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 597–605.
Published Online: November 7, 2002
... gas turbines flow control modelling vibrations Mistuning Blade Vibration Reduced Order Model Forced Response Modeling The resonant amplitudes of turbine blades are generally very sensitive to small variations in the blade properties. Therefore, the small blade variations...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2002, 124(3): 429–438.
Published Online: July 10, 2002
... vortices computational fluid dynamics Unsteady Flow Computation Forced Response Turbomachinery Turbine Turbopumps CFD Design Turbines for liquid rocket engine applications are extreme in many aspects depending on the engine type and application. To reach high rocket engine performance...