Flux density: Difference between revisions

From Glossary of Meteorology
imported>Perlwikibot
(Created page with " {{TermHeader}} {{TermSearch}} <div class="termentry"> <div class="term"> == flux density == </div> <div class="definition"><div class="short_definition">(Sometimes, [[...")
 
imported>Perlwikibot
No edit summary
Line 9: Line 9:
   </div>
   </div>


<div class="definition"><div class="short_definition">(Sometimes, [[flux]].) The rate at which any physical quantity is transported (usually in  a hemisphere of directions) across a unit area.</div><br/> <div class="paragraph">The term &ldquo;flux&rdquo; indicates flow (rate of [[transport]]), and &ldquo;density&rdquo; here is an areal (as opposed  to volumetric) density. Flux densities often may be written in the form ''pnv'', where ''n'' is the number  density (volumetric) of carriers of a property ''p'' (e.g., mass, charge, [[momentum]], [[energy]]) and ''v'' is  their speed.</div><br/> </div>
<div class="definition"><div class="short_definition">In [[radiation]], the [[radiant energy]] per unit time crossing a plane surface of unit area.</div><br/> <div class="paragraph">Units are W m<sup>&minus;2</sup>. <br/>''See also'' [[irradiance]], [[emittance]].</div><br/> </div>
</div>
</div>


Revision as of 17:03, 26 January 2012



flux density

In radiation, the radiant energy per unit time crossing a plane surface of unit area.

Units are W m−2.
See also irradiance, emittance.


Retrieved from "https://glossarystaging.ametsoc.net/w/index.php?title=Flux_density&oldid=18333"
Powered by MediaWiki
Powered by WikiTeq
Powered by Semantic MediaWiki
Copyright 2024 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact permissions@ametsoc.org. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.