1993-04-01

Computational and Experimental Investigation of Airflow Through a Vehicle Intercooler Duct 931097

The last decade has seen a rapid increase within industry of the use of computational fluid dynamics (CFD) to assist in the design and development phase of product manufacture. There have recently evolved many new commercial CFD codes, both general and problem specific, but little validation data is available with which the engineer may assess the code's ability to simulate accurately a given flow problem. Much doubt prevails about current methods of turbulence modelling yet without comparison with experimental data few firm conclusions may be drawn.The work described in this paper is an investigation into the highly turbulent air flow through a vehicle intercooler duct. The general purpose CFD code STAR CD was used to obtain a computational prediction of the flow field. These results were correlated with experimental values of velocity and turbulence levels obtained using a single component laser Doppler anemometry system.

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