@article{
 title = {Electromagnetic flow control of a bifurcated jet in a rectangular cavity},
 type = {article},
 year = {2014},
 identifiers = {[object Object]},
 keywords = {[Cavity flow, Continuous steel casting, Electrohyd},
 volume = {47},
 id = {abb5854d-7281-3068-b98d-bedf73f650e9},
 created = {2016-07-04T15:47:13.000Z},
 file_attached = {false},
 profile_id = {9ae16654-7965-34c4-a29e-d4f92d33dc08},
 last_modified = {2017-03-27T13:24:48.724Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {false},
 hidden = {false},
 private_publication = {false},
 abstract = {The effect of Lorentz forcing on self-sustained oscillations of turbulent jets (Re=3.1?10<sup>3</sup>) issuing from a submerged bifurcated nozzle into a thin rectangular liquid filled cavity was investigated using free surface visualization and time-resolved particle image velocimetry (PIV). A Lorentz force is produced by applying an electrical current across the width of the cavity in conjunction with a magnetic field. As a working fluid a saline solution is used. The Lorentz force can be directed downward (<inf>F L</inf> < 0) or upward (<inf>F L</inf> > 0), to weaken or strengthen the self-sustained jet oscillations. The low frequency self-sustained jet oscillations induce a free surface oscillation. When <inf>F L</inf> < 0 the amplitude of the free surface oscillation is reduced by a factor of 6 and when <inf>F L</inf> > 0 the free surface oscillation amplitude is enhanced by a factor of 1.5.A large fraction of the turbulence kinetic energy k=12ui'ui'[U+203E] is due to the self-sustained jet oscillations. A triple decomposition of the instantaneous velocity was used to divide the turbulence kinetic energy into a part originating from the self-sustained jet oscillation <inf>k osc</inf> and a part originating from the higher frequency turbulent fluctuations <inf>k turb</inf>. It follows that the Lorentz force does not influence <inf>k turb</inf> in the measurement plane, but the distribution of <inf>k osc</inf> can be altered significantly. The amount of energy contained in the self-sustained oscillation is three times lower when <inf>F L</inf> < 0 compared to the situation with <inf>F L</inf> > 0. ? 2014 Elsevier Inc.},
 bibtype = {article},
 author = {Kalter, R. and Tummers, M.J. and Kenjere?, S. and Righolt, B.W. and Kleijn, C.R.},
 journal = {International Journal of Heat and Fluid Flow}
}

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A Lorentz force is produced by applying an electrical current across the width of the cavity in conjunction with a magnetic field. As a working fluid a saline solution is used. The Lorentz force can be directed downward (<inf>F L</inf> < 0) or upward (<inf>F L</inf> > 0), to weaken or strengthen the self-sustained jet oscillations. The low frequency self-sustained jet oscillations induce a free surface oscillation. When <inf>F L</inf> < 0 the amplitude of the free surface oscillation is reduced by a factor of 6 and when <inf>F L</inf> > 0 the free surface oscillation amplitude is enhanced by a factor of 1.5.A large fraction of the turbulence kinetic energy k=12ui'ui'[U+203E] is due to the self-sustained jet oscillations. A triple decomposition of the instantaneous velocity was used to divide the turbulence kinetic energy into a part originating from the self-sustained jet oscillation <inf>k osc</inf> and a part originating from the higher frequency turbulent fluctuations <inf>k turb</inf>. It follows that the Lorentz force does not influence <inf>k turb</inf> in the measurement plane, but the distribution of <inf>k osc</inf> can be altered significantly. The amount of energy contained in the self-sustained oscillation is three times lower when <inf>F L</inf> < 0 compared to the situation with <inf>F L</inf> > 0. ? 2014 Elsevier Inc.","bibtype":"article","author":"Kalter, R. and Tummers, M.J. and Kenjere?, S. and Righolt, B.W. and Kleijn, C.R.","journal":"International Journal of Heat and Fluid Flow","bibtex":"@article{\n title = {Electromagnetic flow control of a bifurcated jet in a rectangular cavity},\n type = {article},\n year = {2014},\n identifiers = {[object Object]},\n keywords = {[Cavity flow, Continuous steel casting, Electrohyd},\n volume = {47},\n id = {abb5854d-7281-3068-b98d-bedf73f650e9},\n created = {2016-07-04T15:47:13.000Z},\n file_attached = {false},\n profile_id = {9ae16654-7965-34c4-a29e-d4f92d33dc08},\n last_modified = {2017-03-27T13:24:48.724Z},\n read = {false},\n starred = {false},\n authored = {true},\n confirmed = {false},\n hidden = {false},\n private_publication = {false},\n abstract = {The effect of Lorentz forcing on self-sustained oscillations of turbulent jets (Re=3.1?10³) issuing from a submerged bifurcated nozzle into a thin rectangular liquid filled cavity was investigated using free surface visualization and time-resolved particle image velocimetry (PIV). A Lorentz force is produced by applying an electrical current across the width of the cavity in conjunction with a magnetic field. As a working fluid a saline solution is used. The Lorentz force can be directed downward (<inf>F L</inf> < 0) or upward (<inf>F L</inf> > 0), to weaken or strengthen the self-sustained jet oscillations. The low frequency self-sustained jet oscillations induce a free surface oscillation. When <inf>F L</inf> < 0 the amplitude of the free surface oscillation is reduced by a factor of 6 and when <inf>F L</inf> > 0 the free surface oscillation amplitude is enhanced by a factor of 1.5.A large fraction of the turbulence kinetic energy k=12ui'ui'[U+203E] is due to the self-sustained jet oscillations. A triple decomposition of the instantaneous velocity was used to divide the turbulence kinetic energy into a part originating from the self-sustained jet oscillation <inf>k osc</inf> and a part originating from the higher frequency turbulent fluctuations <inf>k turb</inf>. It follows that the Lorentz force does not influence <inf>k turb</inf> in the measurement plane, but the distribution of <inf>k osc</inf> can be altered significantly. The amount of energy contained in the self-sustained oscillation is three times lower when <inf>F L</inf> < 0 compared to the situation with <inf>F L</inf> > 0. ? 2014 Elsevier Inc.},\n bibtype = {article},\n author = {Kalter, R. and Tummers, M.J. and Kenjere?, S. and Righolt, B.W. and Kleijn, C.R.},\n journal = {International Journal of Heat and Fluid Flow}\n}","author_short":["Kalter, R.","Tummers, M.","Kenjere?, S.","Righolt, B.","Kleijn, C."],"bibbaseid":"kalter-tummers-kenjere-righolt-kleijn-electromagneticflowcontrolofabifurcatedjetinarectangularcavity-2014","role":"author","urls":{},"keyword":["[Cavity flow","Continuous steel casting","Electrohyd"],"downloads":0},"bibtype":"article","creationDate":"2019-11-28T15:54:07.692Z","downloads":0,"keywords":["[cavity flow","continuous steel casting","electrohyd"],"search_terms":["electromagnetic","flow","control","bifurcated","jet","rectangular","cavity","kalter","tummers","kenjere?","righolt","kleijn"],"title":"Electromagnetic flow control of a bifurcated jet in a rectangular cavity","year":2014}