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In radiometry, irradiance is the radiant flux received by a surface per unit area. The SI unit of irradiance is the watt per square metre (W⋅m ). The CGS unit erg per square centimetre per second (erg⋅cm ⋅s ) is often used in astronomy. Irradiance is often called intensity, but this term is avoided in radiometry … See more
Irradiance
Irradiance of a surface, denoted Ee ("e" for "energetic", to avoid confusion with photometric quantities), is defined as
where See moreA point source of light produces spherical wavefronts. The irradiance in this case varies inversely with the square of the distance from the … See more
• Albedo
• Fluence
• Illuminance
• Insolation
• Light diffusion
• PI curve (photosynthesis-irradiance curve) See moreIrradiance of a surface is also, according to the definition of radiant flux, equal to the time-average of the component of the Poynting vector perpendicular to the surface: See more
The global irradiance on a horizontal surface on Earth consists of the direct irradiance Ee,dir and diffuse irradiance Ee,diff. On a tilted plane, there is another irradiance … See more
Wikipedia text under CC-BY-SA license Irradiance - Science Facts
WEBSolar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat …
What is Irradiance? - Energy Theory
WEBNov 17, 2023 · Irradiance refers to the power of electromagnetic radiation, such as light or heat, that is received per unit area on a surface. It is a fundamental concept in physics and finds applications in various …
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