Diameter
91Mode field diameter — In fiber optics, the mode field diameter (MFD) is an expression of distribution of the irradiance, i.e., the optical power per unit area, across the end face of a single mode fiber. For a Gaussian intensity (i.e. power density, W/m2) distribution …
92Outside diameter — is the diameter of the addendum (tip) circle. In a bevel gear it is the diameter of the crown circle. In a throated wormgear it is the maximum diameter of the blank. The term applies to external gears.1 Notes 1. ANSI/AGMA 1012 G05 , Gear… …
93apparent diameter — apparent diameter, the diameter of a heavenly body as it appears to the observer; angle subtended by the diameter of a heavenly body at the eye of the viewer; angular diameter …
94Hydraulic diameter — The hydraulic diameter, D h , is a commonly used term when handling flow in noncircular tubes and channels. Using this term one can calculate many things in the same way as for a round tube.Definition: D h = frac {4A}{U} where A is the cross… …
95Equivalent spherical diameter — In science, the equivalent spherical diameter (or ESD) of an irregularly shaped object is the diameter of a sphere of equivalent volume [Jennings, B. R. and Parslow, K. (1988) Particle Size Measurement: The Equivalent Spherical Diameter.… …
96Western Rapid Diameter — Western High Speed Diameter ( ru. Западный скоростной диаметр) is an unfinished highway in Saint Petersburg.External links* [http://www.bankwatch.org/publications/mail.shtml?x=1994504#PPP First PPP motorway in Russia to cause problems for… …
97Standard pitch diameter — The standard reference pitch diameter is the diameter of the standard pitch circle. In spur and helical gears, unless otherwise specified, the standard pitch diameter is related to the number of teeth and the standard transverse pitch. It is… …
98Standard reference pitch diameter — The standard reference pitch diameter is the diameter of the standard pitch circle. In spur and helical gears, unless otherwise specified, the standard pitch diameter is related to the number of teeth and the standard transverse pitch. It is… …
99Inside diameter — is the diameter of the addendum circle of an internal gear, [ ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols .] or of tubing or pipe. Notes …
100Throat diameter — TipsThroat diameter is the diameter of the addendum circle at the central plane of a wormgear or of a double enveloping wormgear.1 Notes 1. ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols …
