emissivity in a sentence
n.
📚 Grade Level: Grade 11, Grade 12
Definition
Emissivity is the measure of a surface's ability to emit thermal radiation relative to that of a perfect black body.
Sample Sentences
- 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.