Radiative Properties of Surfaces

This lecture covers the relations between surface radiative properties, including spectral and hemispherical properties, total directional and hemispherical properties, and predictions from electromagnetic wave theory. It discusses ideal diffuse selective surfaces, predictions from Fresnel's equations, and Snell's law for non-absorbing media. The lecture also explores view factors for diffuse surfaces, radiative exchange between black surfaces, and the algebraic evaluation of view factors for complex configurations. The instructor presents examples and equations to illustrate the concepts.