Výsledky vyhledávání - "Kerwin R. Low"

Properties of the Far-Field Pressure Signatures of Individual Jet Noise Sources

Autor: Mark Glauser, Jacques Lewalle, Kerwin R. Low

Publikováno v: International Journal of Aeroacoustics. 11:651-674

The detection of intermittent near-field noise sources is achieved by continuous wavelet transform of far-field acoustic data. The similarities between signals from three far-field microphones in the annular cone of acoustic radiation from coherent s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e50bf922cadc50b5722bbfd5015e84f
https://doi.org/10.1260/1475-472x.11.5-6.651

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

Autor: Kerwin R. Low, Mark Glauser, Basman Elhadidi, Zachary Berger, Stanislav Kostka, Sivaram Gogineni

Publikováno v: Experiments in Fluids. 54

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-flow. Synthetic jet actuators placed aro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc2bb6d4ad3b0db82d97f3aedf6e67cb
https://doi.org/10.1007/s00348-013-1484-8

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Reduced Order Models for a High Speed Jet with Time-Resolved PIV

Autor: Matthew G. Berry, Mark Glauser, Zachary Berger, Laurent Cordier, Kerwin R. Low, Bernd R. Noack, Stanislav Kostka, Sivaram Gogineni

Publikováno v: 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition.

In the current investigation, we examine a turbulent, compressible jet flow field in the high subsonic range (Mach 0.85). Experiments take place in the fully anechoic jet facility at Syracuse University, where the flow field is probed in order to mea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5b435ff08c58f6caa2e56b4ba9dc481
https://doi.org/10.2514/6.2013-11

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Investigation of an Axisymmetric Transonic Jet with High Resolution Time-Resolved PIV

Autor: Sivaram Gogineni, Zachary Berger, Kerwin R. Low, Mark Glauser, Stanislav Kostka

Publikováno v: 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.

In the current investigation, we examine a turbulent, compressible jet flow field at Mach 1.0. In the fully anechoic jet facility at Syracuse University, the flow field is probed in order to measure near-field hydrodynamic pressure, far-field acousti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96680dd8b3d46de807ac2d2b1c85e4bc
https://doi.org/10.2514/6.2012-3822

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Correlations and Wavelet Based Analysis of Near-Field and Far-Field Pressure of a Controlled High-Speed Jet

Autor: Mark Glauser, Zachary Berger, Kerwin R. Low, Basman Elhadidi, Jacques Lewalle

Publikováno v: 41st AIAA Fluid Dynamics Conference and Exhibit.

Discussed within are the experimental results obtained via simultaneous near-field and far-field measurements of a controlled jet. A large database of both open-loop and closedloop control cases are carried out. The two most interesting investigation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70902e28262a387b7262bec78dadea18
https://doi.org/10.2514/6.2011-4020

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CORRELATIONS OF NEAR- AND FAR-FIELD ACOUSTIC DATA IN A HIGH-SPEED JET

Autor: Jacques Lewalle, Kerwin R. Low, Mark N. Glauser, Zachary P. Berger

Publikováno v: Proceeding of Seventh International Symposium on Turbulence and Shear Flow Phenomena.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db3777345c567e5c34adfcc3e52fbbe0
https://doi.org/10.1615/tsfp7.1490

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Investigation of Different Active Flow Control Strategies for High Speed Jets Using Synthetic Jet Actuators

Autor: Kerwin R. Low, Basman El Hadidi, Mark Glauser, Marlyn Y. Andino, Reid A. Berdanier

Publikováno v: 40th Fluid Dynamics Conference and Exhibit.

We present in this paper a set of experiments geared towards characterizing the system response of the near fleld jet shear layer to difierent modes of forcing. Several open and closed loop control tests were conducted. The open loop control cases in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6e6788aff9bb7ac084916cfcc2ac5d3
https://doi.org/10.2514/6.2010-4267

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Closed Loop Control of a Turbulent Compressible Mach 0.6 Jet

Autor: Marlyn Y. Andino, Andre Hall, Ryan M. Wallace, Mark Glauser, Kerwin R. Low

Publikováno v: 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition.

column mode ) excitation, and a closed loop mode�1 ( helical mode ) excitation. A spatial Fourier azimuthal decomposition of the nearfield hydrodynamic pressure at 8D in the stream wise is used for state estimation and feedback. The farfield sound

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afd61725980b9011a1359f6cdbb137b3
https://doi.org/10.2514/6.2009-854

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