Equations
Rate of heat conduction
Thermodynamics · id heat_conduction
P = \frac{k A \Delta T}{d}
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
P | heat flow rate | W | Heat conducted per second | 0 to 1e+08 |
k | thermal conductivity | W/(m*K) | How well the material conducts heat | 0.01 to 500 |
A | area | m^2 | Area of the slab face | 1e-06 to 100000 |
dT | temperature difference | K | Temperature difference across the slab | 0 to 2000 |
d | thickness | m | Thickness of the slab | 1e-05 to 10 |
Assumptions
- Steady state
- Uniform slab
Valid when
- No extra conditions.
Found by
Questions with these words retrieve this equation: conduction, heat flow, insulation, wall, window, thermal conductivity.
Source
OpenStax University Physics Volume 2, Chapter 1 (reference; entry written by the project). License: MIT. Entry confidence: 0.98.