radiant flux


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Related to radiant flux: luminous flux, Radiant intensity, radiance

radiant flux

The total power emitted or received by a body in the form of radiation. It is measured in watts.

Radiant flux

Radiant flux is radiant energy per unit of time. The standard unit for measuring radiant flux is the watt (W), which is defined as Joules per second (J/sec).

radiant flux

[′rād·ē·ənt ′fləks]
(optics)
The time rate of flow of radiant energy.
References in periodicals archive ?
The NUVA77 series comes in wavelengths from 365nm ~ 405nm, radiant flux of 2600mW ~ 3100mW at 500mA, ideal for UV curing, photo catalyst and sensor light applications.
This flux is the arithmetic sum of short-wave radiant flux, net long-wave radiant flux, sensible heat flux, vaporization latent heat flux, and advective heat flux.
The radiant flux K[PHI] may be thought of as aether energy at the velocity of light, which is bound in the line of distance R between the gravitating masses, representing the gravitational energy K[PHI]L2/Rc and the equivalent virtual gravitational mass K[PHI]L2/[Rc.
6) Thus, assuming that the reciprocity law is obeyed, the same photoresponse should be observed when exposures are made: (1) at a high radiant flux for a short period of time (e.
The XT-290, offered in a 527 nm version, has a typical radiant flux of 9 mW at 20 mA.
The transmission coefficient [tau] of a diffracting aperture is defined as the radiant flux transmitted into the positive half space, divided by the radiant flux incident upon it in the limit of geometrical optics.
Working together with the Luftwaffe Institute of Aviation Medicine, Cassidian has carried out a medicinal study and shown that the dazzle effect falls below the radiant flux density which is permissible for eyes.
The radiometer scans a hemispherical area around the equipment being evaluated and, by integrating the net radiant flux through this area, measures the total radiant flux from the equipment to the room.
It can uniformly irradiate test specimens with a high-intensity ultraviolet radiant flux while accurately and precisely controlling this flux, in addition to other weathering elements such as temperature and relative humidity, in order to predict the service life of polymeric materials.
The net radiant flux between layers is obtained by taking the difference between radiosities at the bounding surfaces.
Although the radiant intensity I of the edge is infinite as 1/ [square root of (r)], the radiant flux Id[ohm] emitted into any given solid angle element d[ohm]=rd[empty set] dy is zero as r [right arrow] 0.
In the first three steps equations are derived for the fluorescence radiant flux, the signal from the detection system, and the fluorescent spectral radiance.