Simulation of Head Lamp Using DO Radiation Model
In this tutorial, we provide guidelines for modeling and simulation of an automotive head lamp. In order to model radiation, we use discrete ordinates (DO) radiation model. Also, we employ shell conduction capability of ANSYS FLUENT. This capability allows us to model conduction in thin sheets, such as reflectors, housing, and shield without having to mesh. By using this capability the solver will grow one-layer of prism to model conduction in the planar direction. In our simulations, we apply planar conductions at coating.
You will also learn how to do the following through this tutorial:
- Import a mesh file in ANSYS Fluent
- Enable DO radiation model
- Select material properties and boundary conditions
- Find the solution to the energy and the flow equation
- Initializing and solving the problem
- Also, post-processing and analyzing the resulting data
Problem Description of Head Lamp Thermal Modeling
Forty watts of electric power is transferred from the filament by radiation and natural convection. Filament radiation is transmitted through the bulb, while some is reflected and some is absorbed. Also, the bulb of the headlamp is made of glass whereas the lens, housing, and the reflector are made of polycarbonate.
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