Partially-averaged NavierStokes (PANS) simulations of flow separation over smooth curved surfaces Academic Article

abstract

• 2017 Elsevier Inc. The objective of this study is to investigate flow separation in a channel with periodic hill-shaped constrictions using the Partially-averaged NavierStokes (PANS) methodology. Flow Reynolds numbers based on the bulk velocity above the crest of the hill and hill height are 10590 and 37000. Several PANS simulations are performed to study the effect of cut-off length scale and grid resolution. Turbulence statistics such as mean velocity and Reynolds stresses are compared against well documented experimental data and numerical results. Instantaneous and averaged flow structures as well as anisotropy-invariant maps are also presented in this paper.

authors

• Girimaji, Sharath

published proceedings

• International Journal of Heat and Fluid Flow

author list (cited authors)

• Razi, P., Tazraei, P., & Girimaji, S.

citation count

• 18

complete list of authors

• Razi, Pooyan||Tazraei, Pedram||Girimaji, Sharath

publication date

• August 2017

publisher

• Elsevier  Publisher

published in

• INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW  Journal

Digital Object Identifier (DOI)

• 10.1016/j.ijheatfluidflow.2017.05.005

start page

• 157

end page

• 171

volume

• 66

URL

• http://dx.doi.org/10.1016/j.ijheatfluidflow.2017.05.005