Back to glossary
Thermal Conductivity
Thermal Conductivity is a core engineering term. Definition, usage notes, and a practical example.
Definition
Thermal conductivity is the ability of a material to conduct heat.
Why it matters
It is essential for heat sinks, insulation, and temperature gradient checks.
How it is used
In a design check, first define the relevant load, dimension, material, or flow condition. Then interpret this term by its role in the formula and compare it with limits.
Heat flow = conductivity x area x temperature difference / thickness
Example
Aluminum is often used for heat spreading because of high conductivity.
Related calculators and resources
Formulas
Heat flow = conductivity x area x temperature difference / thickness