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Keywords: reduced-order model
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Journal Articles

A Fluid–Structure Interaction Tool Using a Van der Pol-Based Reduced-Order Model for Buffet and Nonsynchronous Vibrations

Richard Hollenbach, Robert Kielb, Kenneth Hall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011009.
Paper No: TURBO-22-1189
https://doi.org/10.1115/1.4055447
Published Online: October 7, 2022
...Richard Hollenbach; Robert Kielb; Kenneth Hall This paper builds upon a two-degree-of-freedom Van der Pol oscillator-based reduced-order model for studying the mechanisms around nonsynchronous vibrations (NSV) in turbomachinery. One degree tracks the fluid motion utilizing a combination...
View Article titled, A Fluid–Structure Interaction Tool Using a Van der Pol-Based <span class="search-highlight">Reduced</span>-<span class="search-highlight">Order</span> <span class="search-highlight">Model</span> for Buffet and Nonsynchronous Vibrations
Open the PDF for A Fluid–Structure Interaction Tool Using a Van der Pol-Based <span class="search-highlight">Reduced</span>-<span class="search-highlight">Order</span> <span class="search-highlight">Model</span> for Buffet and Nonsynchronous Vibrations in another window
Topics: Cycles, Cylinders, Fluid structure interaction, Fluids, Locks (Waterways), Oscillations, Phase shift, Simulation, Vibration, Turbomachinery
Journal Articles

Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors

Simone Paccati, Lorenzo Mazzei, Antonio Andreini, Bruno Facchini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081013.
Paper No: TURBO-21-1210
https://doi.org/10.1115/1.4053837
Published Online: March 4, 2022
... of T urbomachinery . 25 08 2021 01 02 2022 01 02 2022 04 03 2022 computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in gas turbine combustors heat transfer film cooling effusion modeling reduced-order model Current trends...
View Article titled, <span class="search-highlight">Reduced</span>-<span class="search-highlight">Order</span> <span class="search-highlight">Models</span> for Effusion Modeling in Gas Turbine Combustors
Open the PDF for <span class="search-highlight">Reduced</span>-<span class="search-highlight">Order</span> <span class="search-highlight">Models</span> for Effusion Modeling in Gas Turbine Combustors in another window
Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Experimental design, Gas turbines
Journal Articles

Extending a Van Der Pol-Based Reduced-Order Model for Fluid–Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery

Richard Hollenbach, Robert Kielb, Kenneth Hall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031006.
Paper No: TURBO-21-1165
https://doi.org/10.1115/1.4052405
Published Online: October 4, 2021
... the coefficients in the reduced-order model (ROM) to improve the accuracy in comparison to experimental data. Second, a cubic stiffness term is added to the fluid equation; this term is often seen in the Duffing Oscillator equation, which allows this ROM to capture the experimental behavior more accurately, seen...
View Article titled, Extending a Van Der Pol-Based <span class="search-highlight">Reduced</span>-<span class="search-highlight">Order</span> <span class="search-highlight">Model</span> for Fluid–Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery
Open the PDF for Extending a Van Der Pol-Based <span class="search-highlight">Reduced</span>-<span class="search-highlight">Order</span> <span class="search-highlight">Model</span> for Fluid–Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery in another window
Topics: Cylinders, Design, Errors, Fluid structure interaction, Fluids, Locks (Waterways), Stiffness, System identification, Turbomachinery, Vibration