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Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation as measured in the wavelength range of the measuring instrument. The solar irradiance is measured in watt per square metre (W/m2) in SI units.Solar irradiance is often integrated over a given time period in order to report the radiant energy emitted into the surrounding environment (joule per square metre, J/m2) during that time period. This integrated solar irradiance is called solar irradiation, solar exposure, solar insolation, or insolation.

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  • الإشعاع الشمسي هو مقدار الأشعة الشمسية الساقطة على مساحةٍ معينة والقادرة على توليد قدرةٍ كهربائية . لا يصيب الأرض إلا حوالي جزء من ألفي مليون جزء من أشعة الشمس التي تقدر بنحو 130 ميجاوات لكل متر مربع من سطح الشمس، وهذا القدر الضئيل هو المسئول عن كل الطاقة الحرارية لسطح الأرض و غلافها الجوي. (ar)
  • L'irradiation solaire est une grandeur radiométrique qui mesure la quantité d'énergie solaire reçue par unité de surface. Elle peut être exprimée en kilowattheures par mètre carré (kWh/m²) ou en joules par mètre carré (J/m²) dans le Système international d'unités. Elle est distincte de l'éclairement énergétique solaire, aussi appelé « irradiance solaire » par anglicisme, qui est un flux exprimé en W/m² et dont l'irradiation solaire est l'intégrale sur une période de temps. L'irradiation solaire peut être mesurée dans l'espace ou sur la surface de la Terre après avoir pris en compte l’absorption et la diffusion atmosphériques. La valeur mesurée dépend de l'inclinaison du capteur de l'appareil de mesure ainsi que de son spectre d'analyse. Puisque cette grandeur caractérise le gisement solaire, elle peut être utilisée dans les calculs de rendement des installations thermiques et photovoltaïques ou pour modéliser le climat. (fr)
  • surya adalah per unit area yang diraih dari Matahari dalam bentuk radiasi elektromagnetik pada rangkaian panjang gelombang dari instrumen yang terukur. Penyinaran surya yang terintegrasi sepanjang waktu disebut iradiasi surya, insolasi atau eksposur surya. Namun, insolasi sering kali dipakai secara bergantian dengan iradiansi dalam praktiknya. (in)
  • Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation as measured in the wavelength range of the measuring instrument. The solar irradiance is measured in watt per square metre (W/m2) in SI units.Solar irradiance is often integrated over a given time period in order to report the radiant energy emitted into the surrounding environment (joule per square metre, J/m2) during that time period. This integrated solar irradiance is called solar irradiation, solar exposure, solar insolation, or insolation. Irradiance may be measured in space or at the Earth's surface after atmospheric absorption and scattering. Irradiance in space is a function of distance from the Sun, the solar cycle, and cross-cycle changes. Irradiance on the Earth's surface additionally depends on the tilt of the measuring surface, the height of the sun above the horizon, and atmospheric conditions.Solar irradiance affects plant metabolism and animal behavior. The study and measurement of solar irradiance have several important applications, including the prediction of energy generation from solar power plants, the heating and cooling loads of buildings, and climate modeling and weather forecasting. (en)
  • A irradiação solar é a irradiância integrada em um intervalo de tempo especificado, geralmente uma hora ou um dia, e é dada em watt hora por metro quadrado (Wh/m²). Irradiação solar nada mais é do que uma determinada quantidade de radiação solar por unidade de área. (pt)
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  • الإشعاع الشمسي هو مقدار الأشعة الشمسية الساقطة على مساحةٍ معينة والقادرة على توليد قدرةٍ كهربائية . لا يصيب الأرض إلا حوالي جزء من ألفي مليون جزء من أشعة الشمس التي تقدر بنحو 130 ميجاوات لكل متر مربع من سطح الشمس، وهذا القدر الضئيل هو المسئول عن كل الطاقة الحرارية لسطح الأرض و غلافها الجوي. (ar)
  • surya adalah per unit area yang diraih dari Matahari dalam bentuk radiasi elektromagnetik pada rangkaian panjang gelombang dari instrumen yang terukur. Penyinaran surya yang terintegrasi sepanjang waktu disebut iradiasi surya, insolasi atau eksposur surya. Namun, insolasi sering kali dipakai secara bergantian dengan iradiansi dalam praktiknya. (in)
  • A irradiação solar é a irradiância integrada em um intervalo de tempo especificado, geralmente uma hora ou um dia, e é dada em watt hora por metro quadrado (Wh/m²). Irradiação solar nada mais é do que uma determinada quantidade de radiação solar por unidade de área. (pt)
  • L'irradiation solaire est une grandeur radiométrique qui mesure la quantité d'énergie solaire reçue par unité de surface. Elle peut être exprimée en kilowattheures par mètre carré (kWh/m²) ou en joules par mètre carré (J/m²) dans le Système international d'unités. Elle est distincte de l'éclairement énergétique solaire, aussi appelé « irradiance solaire » par anglicisme, qui est un flux exprimé en W/m² et dont l'irradiation solaire est l'intégrale sur une période de temps. (fr)
  • Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation as measured in the wavelength range of the measuring instrument. The solar irradiance is measured in watt per square metre (W/m2) in SI units.Solar irradiance is often integrated over a given time period in order to report the radiant energy emitted into the surrounding environment (joule per square metre, J/m2) during that time period. This integrated solar irradiance is called solar irradiation, solar exposure, solar insolation, or insolation. (en)
rdfs:label
  • إشعاع شمسي (ar)
  • Irradiation solaire (fr)
  • Penyinaran surya (in)
  • Solar irradiance (en)
  • Irradiação solar (pt)
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