Suscripción a Biblioteca: Guest
Second Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2001, KTH, Stockholm, Sweden

DOI: 10.1615/TSFP2

DIRECT NUMERICAL SIMULATION OF AN IMPINGING JET

pages 271-276
DOI: 10.1615/TSFP2.1190
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SINOPSIS

Numerical simulations of unsteady heat transfer of an impinging jet are performed. The correlation between the flow structure and the impingement heat transfer is examined. It was found that the local heat transfer was very unsteady in nature and correlated closely with the flow structure. Detailed analysis of the instantaneous flow field and the heat transfer characteristics shows that strong unsteadiness of the impingement heat transfer is mainly caused by the primary vortices emanating from the nozzle of the jet. Unsteady separation caused by the primary vortices also plays an important role in the unsteady impingement heat transfer.

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