Fluid dynamics of axial turbomachinery: Blade-and stage-level simulations and models

RD Sandberg, V Michelassi - Annual Review of Fluid Mechanics, 2022 - annualreviews.org
The current generation of axial turbomachines is the culmination of decades of experience,
and detailed understanding of the underlying flow physics has been a key factor for …

Machine-learning for turbulence and heat-flux model development: A review of challenges associated with distinct physical phenomena and progress to date

RD Sandberg, Y Zhao - International Journal of Heat and Fluid Flow, 2022 - Elsevier
This review paper surveys some of the progress made to date in the use of machine learning
(ML) for turbulence and heat transfer modeling. We start by identifying the challenges that …

Transition mechanisms in separation bubbles under low-and elevated-freestream turbulence

BR McAuliffe, MI Yaras - 2010 - asmedigitalcollection.asme.org
Through numerical simulations, this paper examines the nature of instability mechanisms
leading to transition in separation bubbles. The results of two direct numerical simulations …

Heat transfer—A review of 2004 literature

RJ Goldstein, WE Ibele, SV Patankar, TW Simon… - International Journal of …, 2010 - Elsevier
The present review covers the heat transfer literature published in 2004 in English
language, including some translations of foreign language papers. Though extensive, some …

The current state of high-fidelity simulations for main gas path turbomachinery components and their industrial impact

RD Sandberg, V Michelassi - Flow, Turbulence and Combustion, 2019 - Springer
Over the past two decades high-fidelity simulations have become feasible for most main gas
path turbomachinery components. This paper introduces the key challenges of simulating …

Direct numerical simulations of transitional flow in turbomachinery

JG Wissink, W Rodi - 2006 - asmedigitalcollection.asme.org
An overview is provided of various direct numerical simulations (DNS) of transitional flows in
turbine-related geometries. Two flow cases are considered: the first case concerns …

Large-eddy simulation of separated flow over a three-dimensional axisymmetric hill

M Garcia-Villalba, N Li, W Rodi… - Journal of fluid …, 2009 - cambridge.org
The paper examines, by means of highly resolved large-eddy simulations, the fluid
mechanic behaviour of an incompressible, turbulent flow separating from an axisymmetric …

Eddy structures in a transitional backward-facing step flow

HP Rani, TWH Sheu, ESF Tsai - Journal of Fluid Mechanics, 2007 - cambridge.org
In the present study, flow simulation has been carried out in a backward-facing step channel
defined by an expansion ratio of 2.02 and a spanwise aspect ratio of 8 to provide the …

Characterization of laminar separation bubbles using infrared thermography

DW Wynnychuk, S Yarusevych - AIAA Journal, 2020 - arc.aiaa.org
An experimental investigation is conducted to develop and validate a quantitative
methodology for identification and characterization of a laminar separation bubble based on …

Numerical studies of the flow around an airfoil at low Reynolds number

LE Jones - 2008 - eprints.soton.ac.uk
A study of the flow around airfoils at low-Reynolds numbers has been performed, by a
combination of direct numerical simulation (DNS) and linear stability analysis. The …