Browse Publications Technical Papers 2001-01-0294
2001-03-05

PIV Measurement and Numerical Simulation of Airflow Field in a Road Vehicle HVAC Cowl Box 2001-01-0294

The analysis of airflow in an automotive HVAC cowl box is complicated by the cross sectional variations and abrupt changes in airflow direction. In this study, the complex three-dimensional turbulent flow found in a generic road vehicle cowl box is investigated experimentally and computationally. An optical anemometer is used to acquire the experimental data within a white metal sheet of a cowl box. The results are then used to validate and tune a Computational Fluid Dynamics (CFD) numerical cowl model.

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