Science Equation             Name Area expansivity, Superficial expansivity       Equation β = 2 α       Definition of terms β = thermal coefficient of expansion of area, α = thermal coefficient of expansion of length       Comments   If a solid has a lngth increase such that l2 = l1(1 + αθ), where l2 and l1 are the lengths after and before a temperature rise of θ, then the area of a surface will change analogously such that A2 = A1(1+βθ). To a good approximation β = 2α .       References http://www.xrefer.com/entry/488043         [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] Download | Contact | About

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