<aside> <img src="/icons/document_blue.svg" alt="/icons/document_blue.svg" width="40px" /> As a final report for the class my two groupmates and I ran heat transfer and flow simulations on a bike disc brake to study how the surface temperature of the disc is different disc brakes with and without cutouts.

Caption: Graph with a slice plot and flow streamlines above the surface of the cutout disc brake run on an extra coarse mesh. Both are colored based on the temperature in Kelvin.

What we did

• Ran a CFD model with 3D flow and heat transfer in COMSOL
• Determined geometries, materials, and boundary conditions
• Defined mesh attributes, computed the study, and created informative plots to demonstrate relevant results
• Studied the effects of cutouts on the disc brake to increase heat transfer for a cooler surface </aside>

<aside> <img src="/icons/wind_red.svg" alt="/icons/wind_red.svg" width="40px" /> Topics covered in Thermal Fluids Systems

Thermodynamics and heat transfer

• Energy conservation
• Entropy
• Cycles
• Modes of heat transfer (conduction, convection, and radiation)
• Time-dependent conduction
• Black and gray body radiation, view factors
• Internal, external, and natural convection

Fluid mechanics

• Control volumes and conservation laws
• Bernoulli’s equation
• Basics of viscous flow
• Frictional loss in pipes
• Dynamic similarity
• Laminar and turbulent flow
• Designing and computing computational fluid dynamics (CFD) models </aside>

See the full report below ⤵️

[https://drive.google.com/file/d/1tHk7p8N405zJolZzNgrk7KWS1YJFmOdv/view?usp=sharing](https://drive.google.com/file/d/1tHk7p8N405zJolZzNgrk7KWS1YJFmOdv/view?usp=sharing)

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© Jesse Gilbert 2024

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