Thermal resistance to conduction

Thermal resistance to conduction is a physical quantity that was introduced in the engineering practice for insulators: greater values of thermal resistance mean better insulation properties of a material of given thickness.

Links:

  1. Wikipedia.

thermal_insulance

thermal_insulance of the insulator, also called an R-value.

Symbol:

R_val

Latex:

\(R_\text{val}\)

Dimension:

area*temperature/power

slab_thickness

thickness of the insulator.

Symbol:

h

Latex:

\(h\)

Dimension:

length

thermal_conductivity

thermal_conductivity of the insulating material.

Symbol:

k

Latex:

\(k\)

Dimension:

power/(length*temperature)

definition

R_val = h / k

Latex:
\[R_\text{val} = \frac{h}{k}\]