parallel surfaces

parallel surfaces

[¦par·ə‚lel ′sər·fəs·əz]
(mathematics)
Two surfaces such that one surface is the locus of points on the normals to the other curve at a fixed distance along the normals.
References in periodicals archive ?
The FTP40 system enables a rapid measurement of two opposed parallel surfaces in a single measurement, without moving the measuring object.
2, the movement of a secondary electron between the parallel surfaces consists of a series of random paths, each with a randomized reflection angle determined by p([theta]) and p([phi]).
Avoid standing waves, which occur when a sound reflects off parallel surfaces and then back into each other.
Y., Van der Veken, J.: Complete classification of parallel surfaces in 4-dimensional Lorentzian space forms.
Turned specimens (base specimens) in general operated in the boundary lubrication regime (characterized by a constant friction coefficient with varying speed) as expected because parallel surfaces theoretically do not generate hydrodynamic pressure.
It is easy to see that the potential between two parallel surfaces is constant across the surface.
'Flashbeam' is a light fixture glowing through layers of polycarbonate that creates reflection from ice crystal plates, with horizontal parallel surfaces. Fadi Sarieddine, an associate designer at DSA Architects in Dubai was awarded for his lounge chair design, called 'Dubai Syndrome'.
The process, which results in smooth, polished glass with nearly parallel surfaces, involves taking molten glass at approximately 1,832 degrees F.
The Gustine R220 double-disc grinder processes parts from 18mm to 40mm wide with flat and parallel surfaces. The machine's design features, in combination with the exclusive rotary plunge grinding process, provide parallelism, flatness, size control, and squareness.
"If you have parallel surfaces you can make micromachines with gears that work and pumps that will not leak."
Because large glazing panels are essentially thin-wall parts and must have parallel surfaces for good optical qualities, molding machines must be able to maintain close parallelism of platens and molds--i.e., within 0.1 mm.
* Test location on the casting should have two parallel surfaces.

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