1 Total costs (materials and labor) for professional installation of a bathroom tile floor averages $10-$40 a square foot, but it can cost more for custom tiles, detailed patterns or unusual room layouts.
Rayleigh number, Ra, is a dimensionless term used in the calculation of natural convection. where g is acceleration due to gravity, Î²' is coefficient of thermal expansion of the fluid, Î´T is temperature difference, x is length, Î½ is kinematic viscosity and Îº is thermal diffusivity of the fluid. Gr is the Grashof Number and Pr is the Prandtl Number.
It is this scattered light that gives the surrounding sky its brightness and its color. As previously stated, Rayleigh scattering is inversely proportional to the fourth power of wavelength, so that shorter wavelength violet and blue light will scatter more than the longer wavelengths (yellow and especially red light).