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Comparative experimental and numerical study of the heat transfer from a heated wall to swirling impinging jets

G. Paolillo, C.S. Greco, T. Astarita, G. Cardone
2020 Proceedings of the 2020 International Conference on Quantitative InfraRed Thermography   unpublished

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This work presents a comparison of the results from an experimental and numerical investigation of impinging swirling jets operating at Reynolds number and swirl number equal to 30'000 and 0.61, respectively. Measurements are carried out via InfraRed Thermography using a heated thin foil as heat flux sensor, varying the impingement distance from 1 to 10 nozzle diameters. Numerical simulations of the same configurations are performed with a commercial software (Ansys Fluent) to test the
more » ... y of different Reynolds-Averaged Navier-Stokes (RANS) equations-based turbulence models in predicting the heat transfer rates from wall to the swirling impinging jets.
doi:10.21611/qirt.2020.152 fatcat:wlskjkjmgfhtdkfz3espvy5ujm
Citation

G. Paolillo, C.S. Greco, T. Astarita, G. Cardone. "Comparative experimental and numerical study of the heat transfer from a heated wall to swirling impinging jets." Proceedings of the 2020 International Conference on Quantitative InfraRed Thermography (2020)