CFD analysis of the flow in an automotive headlamp |
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| Affiliation: | 1. College of Civil Engineering, Hunan University, Changsha 450082, China;2. College of Materials Science and Engineering, Central South University, Changsha 410083, China;3. National Center for International Research Collaboration in Building Safety and Environment (NCIRCBSE), Hunan University, Changsha, 410082, China;1. University of Bordeaux, CNRS IMB UMR 5251, 351, cours de la Libération, F-33405 Talence, France;2. INRIA Bordeaux-Sud-Ouest MEMPHIS, France;3. M2N EA-7340, Conservatoire National des Arts et Métiers, 2 Rue Conté, F-75003 Paris, France |
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| Abstract: | In order to predict water condensation in an automotive headlamp at an early stage of the development process, CFD analysis of the flow in the headlamp was attempted.First, CFD analysis was conducted on the headlamp unit removed from a vehicle. The result was similar to the experimental result, thus the validity of this analysis was confirmed. Furthermore, water condensation in the headlamp on the vehicle was studied, based on the CFD analysis and the experiment. The results show that the water condensation in the headlamp is not only influenced by the velocity and temperature distribution in and around the headlamp, but also by the absolute humidity near the headlamp vents. |
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