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Thermal computations of temperature distribution and bulb heat transfer in an automobile headlamp |
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| Authors: | K Furkan Sokmen Erhan Pulat Nurettin Yamankaradeniz Salih Coskun |
| Institution: | 1. Magnetti Marelli Mako Electrical Industry and Trade Company, Organized Industrial Zone, Yesil Street No: 28, 16159, Nilufer, Bursa, Turkey 2. Mechanical Engineering Department, Institute of Natural Sciences, Uludag University, Gorukle Campus, 16059, Bursa, Turkey 3. Mechanical Engineering Department, Faculty of Engineering and Architecture, Uludag University, Gorukle Campus, 16059, Bursa, Turkey 4. Air-Conditioning and Refrigeration Program, Electrical and Energy Department, Vocational School of Technical Sciences, Uludag University, Gorukle Campus, 16059, Bursa, Turkey |
| Abstract: | In this study, experimental and numerical analysis was performed to define thermal deformation inside the head lamp because of usage plastic materials and thermal loads. Buoyancy, radiation and conjugate effects were considered. Velocity and temperature distributions were obtained and possible hot points and condense regions can be determined. Nusselt number distribution on cylindrical bulb were computed and compared with literature. Relatively important heat transfer increase in natural convection was found. |
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