Shear/Buoyancy Interaction in Wall Bounded Turbulent Flows

Alexander Blass*, Sergio Pirozzoli, Roberto Verzicco

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

In this paper we describe and compare two unstably stratified turbulent flows in a channel forced by pressure gradient and wall shear, respectively, with the aim of evidencing similarities and differences in the heat transfer and flow dynamics. In both cases we find that the combination of the mean flow with the thermal forcing produces an increase of the friction coefficient and a non–monotonic dependence of the heat transfer on the mean flow strength. This behaviour might be relevant for the prediction of the light–wind conditions in weather forecast or, more in general, for mixed convection applications.
Original languageEnglish
Title of host publicationProgress in Turbulence VIII - Proceedings of the iTi Conference in Turbulence 2018
EditorsRamis Örlü, Alessandro Talamelli, Joachim Peinke, Martin Oberlack
PublisherSpringer
Pages47-54
Number of pages8
ISBN (Electronic)978-3-030-22196-6
ISBN (Print)978-3-030-22195-9
DOIs
Publication statusPublished - 28 Aug 2019
EventiTi 2018 Conference on Turbulence VIII 2018 - Centro Residenziale Universitario di Bertinoro, Bertinoro, Italy
Duration: 5 Sep 20187 Sep 2018
Conference number: 8

Publication series

NameSpringer Proceedings in Physics
Volume226
ISSN (Print)0930-8989
ISSN (Electronic)1867-4941

Conference

ConferenceiTi 2018 Conference on Turbulence VIII 2018
Abbreviated titleiTi 2018
CountryItaly
CityBertinoro
Period5/09/187/09/18

Fingerprint Dive into the research topics of 'Shear/Buoyancy Interaction in Wall Bounded Turbulent Flows'. Together they form a unique fingerprint.

  • Cite this

    Blass, A., Pirozzoli, S., & Verzicco, R. (2019). Shear/Buoyancy Interaction in Wall Bounded Turbulent Flows. In R. Örlü, A. Talamelli, J. Peinke, & M. Oberlack (Eds.), Progress in Turbulence VIII - Proceedings of the iTi Conference in Turbulence 2018 (pp. 47-54). (Springer Proceedings in Physics; Vol. 226). Springer. https://doi.org/10.1007/978-3-030-22196-6_8