Abstract
In this case study, the verification of thermal heat management during the development phase of automotive lamp has been done. Thermal management becomes necessary for a longer life and right material choice for a particular lamp. A Halogen bulb produces a light efficiency of close to 5–10% while rest converts into heat. With this heat source, it was important to study the airflow distribution within the lamp and the impact of it over the surface temperatures on the heat dissipating materials. In this Computational Fluid Dynamics (CFD) simulation, a Halogen bulb as a heat source considered within the same domain with other taillamp components such as lens, license plate and the housing. The light output for TAIL and STOP functions for a bulb converted to heat using the efficiency and duty cycle. Numerical simulation performed for taillamp verified in terms of temperature distribution inside the CFD domain. Plastic material’s performance defined comparing the Heat Deflection temperature (HDT). A well validated numerical experimentation with the tests obtained by using Siemens NX thermal simulation software.
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