emissivity in a sentence

Definition

Emissivity is the measure of a surface's ability to emit thermal radiation relative to that of a perfect black body.

Emissivity is a critical factor in determining how efficiently a surface can radiate thermal energy.
Materials with a high emissivity are often used in applications requiring effective heat dissipation.
Understanding the emissivity of different surfaces can greatly enhance the accuracy of thermal imaging.
The emissivity of a material can vary with temperature and surface finish, affecting its thermal performance.
In engineering, emissivity is an essential parameter for calculating heat transfer in various systems.