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  1. No Access

    Article

    Flow Structures Associated with Turbulent Mixing Noise and Screech Tones in Axisymmetric Jets

    A jet from an axisymmetric convergent nozzle is studied at ideal and underexpanded conditions using velocity and acoustic data. Two particle imaging velocimetry setups, a 10 kHz system and a multi-camera confi...

    Andrew S. Magstadt, Matthew G. Berry, Zachary P. Berger… in Flow, Turbulence and Combustion (2017)

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    Chapter

    Turbulent Flow Physics and Control: The Role of Big Data Analyses Tools

    We are studying several problems involving turbulence and big data that range from more efficient and lower noise in next generation jet propulsion systems to bio-inspired concepts for energy production. Speci...

    Andrew S. Magstadt, Pinqing Kan… in Whither Turbulence and Big Data in the 21s… (2017)

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    Article

    Active Flow Control for High Speed Jets with Large Window PIV

    The current work investigates a Mach 0.6 jet flow field with particle image velocimetry (PIV) and simultaneously sampled near and far-field pressure. Two component velocity measurements are taken in the stream...

    Zachary P. Berger, Patrick R. Shea, Matthew G. Berry… in Flow, Turbulence and Combustion (2015)

  4. No Access

    Article

    A low-dimensional approach to closed-loop control of a Mach 0.6 jet

    Simultaneous time-resolved measurements of the near-field hydrodynamic pressure field, 2-component streamwise velocity field, and far-field acoustics are taken for an un-heated, axisymmetric Mach 0.6 jet in co...

    Kerwin R. Low, Zachary P. Berger, Stanislav Kostka… in Experiments in Fluids (2013)