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@ARTICLE{Bae:904358,
      author       = {Bae, Ji-Yeul and Kim, Jihyuk and Lee, Namkyu and Bae, Hyung
                      Mo and Cho, Hyung Hee},
      title        = {{M}easurement of surface heat transfer caused by
                      interaction of sonic jet and supersonic crossflow near
                      injection hole},
      journal      = {Aerospace science and technology},
      volume       = {119},
      issn         = {1270-9638},
      address      = {Paris},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-05928},
      pages        = {107180},
      year         = {2021},
      abstract     = {This paper investigates the surface heat transfer caused by
                      interaction of a jet and a supersonic crossflow near the jet
                      injection hole. A sonic jet with different momentum ratios
                      (, 1.018, 1.477) was injected perpendicularly into a
                      crossflow with a Mach number of 3.0 in a supersonic wind
                      tunnel. Surface temperature through time measured by
                      infrared thermography was used to deduce surface heat flux.
                      In addition, heat transfer coefficients and adiabatic wall
                      temperatures were derived from time histories of surface
                      heat flux and temperature. In order to consider an effect of
                      conduction from the inner hole surface, a three-dimensional
                      energy conservation is considered in the deduction process
                      of the heat flux. As a result, the characteristics of the
                      heat transfer near the hole and the change in the heat
                      transfer with momentum ratios are presented. The separation
                      vortex and recirculation vortex are found to be dominant
                      flow features in terms of the augmentation of the heat
                      transfer. The maximum heat transfer is observed at the
                      immediate vicinity of the hole due to the flow oscillation
                      from a jet-mixing layer. This oscillation resulted in a
                      $390\%$ of augmentation of the heat transfer near the hole
                      compared to the freestream even at the lowest momentum
                      ratio. Also, the augmentation near the hole is more
                      susceptible to change of momentum ratio compared to the
                      augmentation on the overall interaction area.},
      cin          = {IBI-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IBI-4-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000719301300009},
      doi          = {10.1016/j.ast.2021.107180},
      url          = {https://juser.fz-juelich.de/record/904358},
}