Browse Publications Technical Papers 1999-01-0579
1999-03-01

Vehicle Underbody Thermal Simulation Using Computational Fluid Dynamics 1999-01-0579

This study was initiated to evaluate the thermal characteristics of a vehicle underbody using math-based computational fluid dynamics (CFD) simulation based on 3-D configuration. Simulations without heat shields were carried out for different vehicle operating conditions which placed several areas at risk of exceeding their thermal design limits. Subsequently, simulations with several heat shield designs were performed. Results show that areas at risk without shields are well within thermal design limits when shielded. Part of the CFD simulation results were compared with experimental data, with reasonable correlation.
The CFD approach can provide useful design information in a very short time frame.

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