Turbulent Pipe Flow Near-Wall Statistics

  • Tommaso Fiorini
  • Gabriele Bellani
  • Ramis Örlü
  • Antonio Segalini
  • P. Henrik Alfredsson
  • Alessandro TalamelliEmail author
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 196)


Results from the first experimental campaign in the Long Pipe facility of the CICLoPE laboratory are reported. Single hot-wire profile measurements are presented, taken from the wall up to one third of the pipe radius, with the friction Reynolds number \(Re_{\tau }\) ranging from \( 6.5 \times 10^3\) up to \( 3.8 \times 10^4\). Measurements of the pressure drop along the pipe are presented together with an estimation of its uncertainty. Mean and variance of the streamwise velocity fluctuations are examined and compared with the findings from other facilities. The amplitude of the inner-scaled near-wall peak of the variance, after being corrected for spatial resolution effects, shows an increasing trend with Reynolds number, in accordance with low Reynolds number experiments and simulations.



Financially supported through the European High-Performance Infrastructures in Turbulence (EuHIT) within the Reynolds stress tensor scaling in turbulent pipe flow (Re-Scale) project.


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Tommaso Fiorini
    • 1
  • Gabriele Bellani
    • 1
  • Ramis Örlü
    • 2
  • Antonio Segalini
    • 2
  • P. Henrik Alfredsson
    • 2
  • Alessandro Talamelli
    • 1
    Email author
  1. 1.DIN, Universita’ di BolognaForli’Italy
  2. 2.Linné FLOW Centre, KTH MechanicsStockholmSweden

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