European Turbulence Conference 2015

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11:45
15 mins

PREDICTING THE RESPONSE OF SMALL-SCALE NEAR-WALL TURBULENCE TO LARGE-SCALE OUTER MOTIONS
Lionel Dr. Agostini, Michael Prof. Leschziner

Session: Wall-bounded flows 1
Session starts: Tuesday 25 August, 10:30
Presentation starts: 11:45
Room: Room I

Lionel Dr. Agostini (Ohio State University)
Michael Prof. Leschziner (Imperial College London)

Abstract:
Abstract: The paper deals with the question of how to determine – or “predict” - the near-wall-turbulence statistics from a Reynolds-number-independent, “universal”, small-scale signal, and the Reynolds-number-dependent large-scale outer motions in the log layer. An empirical model is proposed, which is intended to take into account the effect of “splatting”, not previously considered, thus offering an improved representation of the near-wall-turbulence field.