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irradiance

n. 光辉;灿烂;发光

光辉;灿烂;发光

The Collaborative International Dictionary of English v.0.48 (gcide)

irradiance \ir*ra"di*ance\ ([i^]r*r[=a]"d[i^]*ans), irradiancy
\ir*ra"di*an*cy\ ([i^]r*r[=a]"d[i^]*an*s[y^]), n. [From
{irradiant}.]
[1913 Webster]
1. The act of irradiating; emission of rays of light.
[1913 Webster]

2. That which irradiates or is irradiated; luster; splendor;
irradiation; brilliancy. --Milton.
[1913 Webster]

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Irradiance - Wikipedia
Solar irradiance 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 component, Ee,refl, which is the component that is reflected from the ground The average ground reflection is about 20% of the global irradiance
Irradiance – intensity, radiant flux, radiometry, measurement
Irradiance is a term of radiometry, defined as the radiant flux (optical power) received by a surface per unit area
What Is Irradiance? Definition, Units, and Uses - ScienceInsights
Irradiance measures how much radiant energy hits a surface per unit area Learn how it’s used in solar energy, laser safety, and medicine
What is Irradiance? - Energy Theory
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 fields, including solar energy, atmospheric science, and optical engineering
Irradiance - Science Facts
Irradiance refers to the amount of radiant power per unit area received from a radiation source In other words, it measures how much energy is delivered to a given area from a specific source For example, when we stand outside in the sun, we feel its warmth due to the Sun’s energy reaching us To […]
Technical Note: Understanding Radiance, Irradiance, and . . . - Energetiq
Understanding Radiance (Brightness), Irradiance and Radiant Flux Author: H Zhu and P Blackborow Download Technical Note [PDF] Introduction Evaluation of the performance of a radiation source has to involve radiometry – the measurement of quantities associated with radiation To those new to the field, the units and terms, such as Radiance, Irradiance and Radiant Flux, may be unfamiliar In
About Solar Irradiance | Earth
What is solar irradiance? Solar irradiance is the solar energy flux density outside Earth's atmosphere at a distance from the Sun of 1 Astronomical Unit (AU), given in SI units of Watts per square meter (W m 2) The sun's total energy input reaching Earth is called total solar irradiance, or TSI It comes in many different color bands or wavelengths The distribution of the Sun’s energy
IRRADIANCE Definition Meaning - Merriam-Webster
The meaning of IRRADIANCE is radiance Emily Peck, Wired News, 12 Dec 2025 Solar power works for missions close to the sun, but by the time a spacecraft gets to Jupiter, the available solar irradiance drops below 4 percent of that on Earth
What Is Irradiance? Definition, Measurement, and Examples
Learn about irradiance, the measurement of radiant power on a surface This key metric is essential for assessing solar energy potential and climate dynamics

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