Convection Cooling
Definition
Heat transfer method using fluid flow (air or liquid) over surfaces to remove heat. Natural convection relies on buoyancy; forced convection uses fans or pumps.
Why It Matters
- Most common cooling method for moderate-power battery systems
- Air cooling is simple but limited in effectiveness
- Liquid cooling provides higher heat transfer coefficients
- Altitude affects air cooling effectiveness significantly
Common Pitfalls
- Not accounting for reduced air density at altitude
- Inadequate airflow distribution creating hot spots
- Not considering dust/debris accumulation in air-cooled systems
- Ignoring acoustic noise from cooling fans