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Merger of three parallel pipe flows (same speed) at low up to medium Reynolds number


Computational details
Short description and remarks
Visualization




Short description and remarks


Merger of three parallel pipe flows into a channel at low up to medium Reynolds number. The inflows through the inlets have the same parabolic profile. The resulting flow is nonsteady but still axi-symmetrical. This simulation has to be compared with the similar ones in the Album, including lower and higher Reynolds numbers and different types of inflows.


Visualization

  • Distribution of temperature/concentration via Boussinesq model

    Visualization via tracing of concentration, starting from the inlet, shaded (first and second as a zoom, 1.8 and 0.4 MB) and via isolines (third, 0.7 MB). The color red means `value of concentration +1' while blue stands for 'value of concentration -1'. Consequently, the green regions represent the mixed zones (concentration almost zero!).





  • Pressure

    Visualization via pressure plots, shaded (first, 0.5 MB) and via isolines (second and third, as zoom, 1.7 MB and 1.8 MB).





  • Streamfunction

    Visualization via streamline plots, shaded (first, 0.5 MB) and via isolines (second and third, as zoom, 0.6 MB and 1.7 MB).





  • Velocity

    Visualization via vector plots (vectors, 4 MB) in a zoomed region.





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