Thermal Design and Optimization of Heat Sinks
Outline
40 Watts! What’s the big deal?
Component Failure Rate
Moore’s Law (1965)
IC Trends: Past, Present & Future
Why Use Natural Convection?
Thermal Resistance
PPT Slide
Heat Sink Model
Modelling Procedure
Exterior Surfaces
Diffusion Model
Exterior Boundary Layer Model
Interior Surfaces
Parallel Plates Model
Comprehensive Model
Model Validation
Modelling Domain
Which is the Right Tool?
Optimization Using EGM
Entropy Balance (local)
Entropy Balance (external & internal)
Total Entropy Generation
Example: Heat Sink Optimization
Single Parameter EGM
Multi-Parameter Minimization Procedure
Future Work
Summary
Karagiozis Heat Sink Model
Email: rix@mhtl.uwaterloo.ca