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Glossary » Units » Energy Flux » Langley (flux)
Langley (flux) (ly) is a unit in the category of Energy flux. Langley (flux) (ly) has a dimension of MT-3 where M is mass, and T is time. It can be converted to the corresponding standard SI unit W/m2 by multiplying its value by a factor of 697.5.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Energy flux include British Thermal Unit (IT) Per Hour Per Square Foot (Btu (IT)/h-ft2), British Thermal Unit (therm.) Per Hour Per Square Foot (Btu (therm.)/h-ft2), and Watt Per Square Meter (W/m2).

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