Study of flow instability due to streamwise inter-rod gapping

K. Newlands, S. He, Y. Guo

Research output: Contribution to conferencePaperpeer-review

Abstract

The turbulent flow in an annular channel with streamwise inter-rod gapping is computed using Large Eddy Simulation (LES). This fundamental study is carried out with a view to investigate the vortex shedding generated at the end of the fuel rods and its impingement onto the downstream rods. The spacing between the rods is varied to study the effect of the mean flow as well as the turbulence structure revealing two distinct flow patterns analogous to the flow over the k-type and d-type roughness.

Original languageEnglish
Publication statusPublished - 2020
Event14th European Turbulence Conference, ETC 2013 - Lyon, France
Duration: 1 Sep 20134 Sep 2013

Conference

Conference14th European Turbulence Conference, ETC 2013
Country/TerritoryFrance
CityLyon
Period1/09/134/09/13

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