shape factor

[′shāp ‚fak·tər] (electricity) form factor (electronics) The ratio of the 60-decibel bandwidth of a bandpass filter to the 3-decibel bandwidth. (fluid mechanics) The quotient of the area of a sphere equivalent to the volume of a solid particle divided by the actual surface of the particle; used in calculations of gas flow through beds of granular solids. (optics) For a lens, the quantity (R₂+ R₁)/(R₂-R₁), where R₁ and R₂ are the radii of the first and second surface of the lens. Also known as Coddington shape factor.

单词	shape factor
释义	DictionarySeemagnification shape factor shape factor [′shāp ‚fak·tər] (electricity) form factor (electronics) The ratio of the 60-decibel bandwidth of a bandpass filter to the 3-decibel bandwidth. (fluid mechanics) The quotient of the area of a sphere equivalent to the volume of a solid particle divided by the actual surface of the particle; used in calculations of gas flow through beds of granular solids. (optics) For a lens, the quantity (R₂+ R₁)/(R₂-R₁), where R₁ and R₂ are the radii of the first and second surface of the lens. Also known as Coddington shape factor. AcronymsSeesign flag
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