Numerical appraisal of jet-to-crossflow coupling in a transverse jet

  • Marina Campolo
  • Gian Maria Degano
  • Alfredo Soldati
  • Luca Cortelezzi
Part of the International Centre for Mechanical Sciences book series (CISM, volume 439)


The nearfield evolution of a jet in crossflow is strictly related to the coupling between the flow in the pipe and the transverse flow. In this work, we address the problem of identifying the extent of this coupling for an incompressible fluid and we examine the influence of the inlet boundary conditions on the simulation of the transverse jet. First, we validate the numerical computations using experimental data by Shandorov (Abramovich, 1963). We examine in detail the flow field calculated numerically for a jet-to-crossflow velocity ratio equal to 2.2. We evaluate in particular the evolution of the streamwise velocity profile and vorticity in the crossflow direction to characterize the structure of the jet. Second, we evaluate the effect of increasing the jet-to-crossflow velocity ratios on jet penetration. Third, we compare the numerical results obtained considering the pipe and imposing a uniform velocity profile at the jet exit. Results show that the jet-to-crossflow velocity ratio and the inlet boundary condition for the jet influence jet penetration into the crossflow and jet velocity distribution.


Velocity Profile Axial Velocity Velocity Ratio Inlet Boundary Condition Pipe Axis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Wien 2003

Authors and Affiliations

  • Marina Campolo
    • 1
  • Gian Maria Degano
    • 1
  • Alfredo Soldati
    • 1
  • Luca Cortelezzi
    • 2
  1. 1.Centro di Fluidodinamica e Idraulica and Dipartimento di Scienze e Tecnologie ChimicheUniversity of UdineUdineItaly
  2. 2.Department of Mechanical EngineeringMcGill UniversityMontrealCanada

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