April 18, 2016By Bob BerryGeneral

What is emissivity? Emissivity describes an objects ability to radiate energy. Some objects have a high emissivity, these are typically non metals. Other objects have a low emissivity, these are generally metallic. Emissivity of a material is a value between 0 and 1. A blackbody would have an emissivity of 1, this means that it emits … Read More