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| langley | |
|---|---|
| Unit system | Non-SI metric unit |
| Unit of | Heat flux |
| Symbol | Ly |
| Named after | Samuel Langley |
| Derivation | 1 calth/cm2 |
| Conversions | |
| 1 Lyin ... | ... is equal to ... |
| SI units | 41 840 J/m2 |
Thelangley (Ly) is a unit of heat transmission, especially used to express the rate ofsolar radiation (orinsolation) received by the earth. The unit was proposed byFranz Linke in 1942[1] and named afterSamuel Langley (1834–1906) in 1947.
One langley is
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