Flow and thermal fields modeling in jet impingement configurations using a Reynolds stress turbulence closure within the RANS and Sensitized-RANS framework

Bopp, M.; Wegt, S.; Krüger, L.; Secchi, F.; Frohnapfel, B.; Jakirlić, S.

doi:10.1016/j.ijheatfluidflow.2023.109264

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2024

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Cited by 2 publications

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Investigation of flue gas temperature effects in natural gas fueled Systems: Experimental thermal performance and structural optimization

Tanriver,

2024

International Journal of Heat and Fluid Flow

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Investigation of flue gas temperature effects in natural gas fueled Systems: Experimental thermal performance and structural optimization

Tanriver,

2024

International Journal of Heat and Fluid Flow

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Eddy-Resolving Simulation of Conjugate Heat Transfer in a Test Specimen pertinent to Cooling Channels in IC Engines

Kutej,

Klink,

Wegt

et al. 2024

SAE Technical Paper Series

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<div class="section abstract"><div class="htmlview paragraph">The conjugate heat transfer, which effectively integrates the heat conduction within the solid metal block of the so-called Water Spider Geometry (WSG) configuration and the fluid domain within it, is computationally investigated in the present work, allowing an accurate representation of the temperature conditions at the solid-fluid interface. The WSG configuration represents a specially configured tube geometry that effectively reproduces the flow behavior observed in cooling channels associated with Internal Combustion (IC) engines. The inherent high flow unsteadiness potential of the WSG flow configuration, resulting from the complex flow guidance involving phenomena such as flow impingement, bifurcation, multiple deflections and flow confluence, requires the application of a model capable of capturing turbulence fluctuations. Consequently, the solutions for the coupled flow and thermal fields are obtained by applying a novel eddy-resolving method employing the sub-scale model for solving the equations governing the unresolved residual turbulence quantities. For the latter, a four-equation model is used that solves, in addition to the equations governing the subscale kinetic energy of turbulence and its dissipation rate, the equation describing the dynamics of the normal-to-wall turbulence intensity component. The results obtained for two distinct fluid flow rates and a heat transfer rate, corresponding closely to those encountered in IC-related cooling channels, are discussed along with the reference flow data obtained with high-resolution LES and scale-resolved Sensitized RANS methods and the experimentally determined wall temperatures.</div></div>

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Flow and thermal fields modeling in jet impingement configurations using a Reynolds stress turbulence closure within the RANS and Sensitized-RANS framework

Cited by 2 publications

References 47 publications

Investigation of flue gas temperature effects in natural gas fueled Systems: Experimental thermal performance and structural optimization

Investigation of flue gas temperature effects in natural gas fueled Systems: Experimental thermal performance and structural optimization

Eddy-Resolving Simulation of Conjugate Heat Transfer in a Test Specimen pertinent to Cooling Channels in IC Engines

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