radius of profile curvature
1Radius of curvature (optics) — Radius of curvature has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located in (x, y, z) either along or decentered from the system local optical axis. The vertex… …
2Profile radius of curvature — is the radius of curvature of a tooth profile, usually at the pitch point or a point of contact. It varies continuously along the involute profile.1 Notes 1. ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols …
3Minimum railway curve radius — 90 foot (27.43 m) radii on the elevated 4 ft 8 1⁄2 in (1,435 mm) Chicago L . There is no room for longer radii at this street intersection The minimum railway curve radius, the shortest design radius, has an… …
4Degree of curvature — This article is about the measure of curvature. For other uses, see degree (angle). Degree of curve or degree of curvature is a measure of curvature of a circular arc used in civil engineering for its easy use in layout surveying. A n degree… …
5List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …
6Gaussian beam — In optics, a Gaussian beam is a beam of electromagnetic radiation whose transverse electric field and intensity (irradiance) distributions are well approximated by Gaussian functions. Many lasers emit beams that approximate a Gaussian profile, in …
7Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …
8Fingerboard — For other uses, see Fingerboard (disambiguation). Fretted guitar fingerboard Fretless violin fingerboard The fingerboard (also known as a fretboard on fretted ins …
9fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
10Optical aberration — v · d · e Optical aberration …
