Original 45nm Intel® Core™ Microarchitecture

  Section 7 of 8  

Greater Mobility Through Lower Power

APPENDIX: NOMENCLATURE

ρ – density of air, kg/m³

A – effective heat transfer surface area, m²

C_p – heat capacity (of air), J/kg-K/

h – heat transfer coefficient, W/m²-K

P – power (or cooling), W

Q – heat, W

T – temperature, °C

T_chassis – chassis surface (“skin”) temperature, °C

T_ambient – user ambient air temperature, °C

T_exhaust – system exhaust air temperature, °C

(V-hat) – volumetric air flow rate (of air), m³/s

  Section 7 of 8  

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