2021  OriginalPaper  Chapter Open Access
Assessment of RANS Turbulence Models for Straight Cooling Ducts: Secondary Flow and Strong Property Variation Effects
Authors: Thomas Kaller, Alexander Doehring, Stefan Hickel, Steffen J. Schmidt, Nikolaus A. Adams
Publisher: Springer International Publishing
1 Introduction
2 High Aspect Ratio Cooling Duct
2.1 Equation System and Numerical Model
2.2 Simulation Setup
2.3 Flow and Temperature Field
3 Channel Flow with Strong Property Variations
3.1 Equation System and Numerical Model
3.2 Simulation Setup
3.3 Flow and Temperature Field
\(\tau _{w_c} \left[ \text {Pa}\right] \)

\(\tau _{w_h} \left[ \text {Pa}\right] \)

\( \dot{q}_{w_c} \left[ \text {MW m}^{2}\right] \)

\( \dot{q}_{w_h} \left[ \text {MW m}^{2}\right] \)



LES

1257

708

3.48

3.00

BSL RSM with
\(Pr_t = 0.85\)

2420

802

5.26

4.95

BSL RSM with KC

2410

804

5.03

4.72
