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	<title>تشميس - تاريخ المراجعة</title>
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	<updated>2026-06-05T19:55:02Z</updated>
	<subtitle>تاريخ التعديل لهذه الصفحة في الويكي</subtitle>
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		<title>عبد العزيز: بوت:إضافة وصلة أرشيفية.</title>
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		<updated>2023-07-20T16:13:10Z</updated>

		<summary type="html">&lt;p&gt;بوت:إضافة وصلة أرشيفية.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;صفحة جديدة&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[ملف:Insolation.png|تصغير|يسار|300px|Annual mean insolation at the top of [[Earth&amp;#039;s atmosphere]] (top) and at the planet&amp;#039;s surface]]&lt;br /&gt;
[[ملف:NREL USA PV map lo-res 2008.jpg|تصغير|يسار|US annual average solar energy received by a latitude tilt photovoltaic cell &amp;#039;&amp;#039;(modeled)&amp;#039;&amp;#039;]]&lt;br /&gt;
[[ملف:SolarGIS-Solar-map-Europe-en.png|تصغير|Average insolation in Europe]]&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;التشميس {{إنج|Insolation}}&amp;#039;&amp;#039;&amp;#039; هو مقياس لطاقة [[أشعة الشمس|الإشعاع الشمسي]] المستلمة على مساحة معينة وسجلت خلال وقت معين. ويسمى أيضا [[تشعع|الإشعاع]] الشمسي. والوحدة التي أوصت بها المنظمة العالمية للأرصاد الجوية هي الميغاجول للمتر المربع الواحد(MJ/m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;) أو جول في كل مليمتر مربع (J/mm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;).&amp;lt;ref&amp;gt;http://www.wmo.int/pages/prog/www/IMOP/publications/CIMO-Guide/CIMO%20Guide%207th%20Edition,%202008/Part%20I/Chapter%201.pdf {{Webarchive|url=https://web.archive.org/web/20200918100748/http://www.wmo.int/pages/prog/www/IMOP/publications/CIMO-Guide/CIMO%2520Guide%25207th%2520Edition%2C%25202008/Part%2520I/Chapter%25201.pdf|date=2020-09-18}}&amp;lt;/ref&amp;gt; الممارسين في مجال [[طاقة شمسية|الطاقة الشمسية]] ممكن أن يستخدموا وحدة واط ساعة للمتر المربع الواحد (Wh/m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;). إذا تم تقسيم هذه الطاقة حسب وقت التسجيل في ساعات، تسمى كثافة الطاقة حينئذ ال[[الشيعة|تشيع]]، التي يعرب عنها واط لكل متر مربع (W/m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;).&lt;br /&gt;
&lt;br /&gt;
== تشميس الأرض ==&lt;br /&gt;
[[ملف:SolarGIS-Solar-map-Africa-and-Middle-East-ar.png|تصغير|Solar radiation map of Africa and Middle East]]&lt;br /&gt;
[[ملف:Pyranometer 2740.JPG|يسار|تصغير|A [[مقياس الإشعاع السماوي]], a component of a temporary remote meteorological station, measures insolation on [[Skagit Bay]]، [[واشنطن (ولاية)]].]]&lt;br /&gt;
&lt;br /&gt;
== توزيع التشمس في الجزء العلوي من الغلاف الجوي ==&lt;br /&gt;
[[ملف:SolarZenithAngleCalc.png|تصغير|350px|يسار|Spherical triangle for application of the spherical law of cosines for the calculation the solar zenith angle Θ for observer at latitude φ and longitude λ from knowledge of the hour angle h and solar declination δ. (δ is latitude of subsolar point, and h is relative longitude of subsolar point).]]&lt;br /&gt;
[[ملف:InsolationTopOfAtmosphere.png|تصغير|350px|يسار|&amp;lt;math&amp;gt;\overline{Q}^{\mathrm{day}}&amp;lt;/math&amp;gt;, the theoretical daily-average insolation at the top of the atmosphere, where θ is the polar angle of the Earth&amp;#039;s orbit, and θ&amp;amp;nbsp;=&amp;amp;nbsp;0 at the vernal equinox, and θ&amp;amp;nbsp;=&amp;amp;nbsp;90° at the summer solstice; φ is the latitude of the Earth. The calculation assumed conditions appropriate for 2000 A.D.: a solar constant of &amp;#039;&amp;#039;S&amp;#039;&amp;#039;&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;&amp;amp;nbsp;=&amp;amp;nbsp;1367&amp;amp;nbsp;W m&amp;lt;sup&amp;gt;−2&amp;lt;/sup&amp;gt;, obliquity of ε&amp;amp;nbsp;=&amp;amp;nbsp;23.4398°, longitude of perihelion of ϖ&amp;amp;nbsp;=&amp;amp;nbsp;282.895°, eccentricity &amp;#039;&amp;#039;e&amp;#039;&amp;#039;&amp;amp;nbsp;=&amp;amp;nbsp;0.016704. Contour labels (green) are in units of&amp;amp;nbsp;W&amp;amp;nbsp;m&amp;lt;sup&amp;gt;−2&amp;lt;/sup&amp;gt;.]][[ملف:InsolationSummerSolstice65N.png|تصغير|500px|Past and future of daily average insolation at top of the atmosphere on the day of the summer solstice, at 65 N latitude. The green curve is with eccentricity &amp;#039;&amp;#039;e&amp;#039;&amp;#039; hypothetically set to 0. The red curve uses the actual (predicted) value of &amp;#039;&amp;#039;e&amp;#039;&amp;#039;. Blue dot is current conditions, at 2 ky A.D.]]&lt;br /&gt;
&lt;br /&gt;
== التطبيقات ==&lt;br /&gt;
[[ملف:Insolation.gif|تصغير|يسار|Insolation variation by month; 1984-1993 averages for January (top) and April (bottom)]]&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot; border=&amp;quot;1&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! style=&amp;quot;background:lightgreen;&amp;quot; colspan=6|Conversion factor (multiply top row by factor to obtain side column)&lt;br /&gt;
|-&lt;br /&gt;
!&lt;br /&gt;
! W/m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
! kW·h/(m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;·day)&lt;br /&gt;
! sun hours/day&lt;br /&gt;
! kWh/(m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;·y)&lt;br /&gt;
! kWh/(kWp·y)&lt;br /&gt;
|-&lt;br /&gt;
! W/m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
| 1&lt;br /&gt;
| 41.66666&lt;br /&gt;
| 41.66666&lt;br /&gt;
| 0.1140796&lt;br /&gt;
| 0.1521061&lt;br /&gt;
|-&lt;br /&gt;
! kW·h/(m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;·day)&lt;br /&gt;
| 0.024&lt;br /&gt;
| 1&lt;br /&gt;
| 1&lt;br /&gt;
| 0.0027379&lt;br /&gt;
| 0.0036505&lt;br /&gt;
|-&lt;br /&gt;
! sun hours/day&lt;br /&gt;
| 0.024&lt;br /&gt;
| 1&lt;br /&gt;
| 1&lt;br /&gt;
| 0.0027379&lt;br /&gt;
| 0.0036505&lt;br /&gt;
|-&lt;br /&gt;
! kWh/(m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;·y)&lt;br /&gt;
| 8.765813&lt;br /&gt;
| 365.2422&lt;br /&gt;
| 365.2422&lt;br /&gt;
| 1&lt;br /&gt;
| 1.333333&lt;br /&gt;
|-&lt;br /&gt;
! kWh/(kWp·y)&lt;br /&gt;
| 6.574360&lt;br /&gt;
| 273.9316&lt;br /&gt;
| 273.9316&lt;br /&gt;
| 0.75&lt;br /&gt;
| 1&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== انظر أيضا ==&lt;br /&gt;
* ال[[بياض]]&lt;br /&gt;
* [[أشعة الشمس|شعاع الشمس]]&lt;br /&gt;
&lt;br /&gt;
== مراجع ==&lt;br /&gt;
{{مراجع|1}}&lt;br /&gt;
&lt;br /&gt;
== وصلات خارجية ==&lt;br /&gt;
* [http://www.nsdl.arm.gov/Library/glossary.shtml#insolation National Science Digital Library - Insolation]&lt;br /&gt;
* [http://www.sfog.us/solar/sfsolar.htm San Francisco Solar Map]&lt;br /&gt;
* [http://sunbird.jrc.it/pvgis/apps/pvest.php Insolation map of Europe and Africa]&lt;br /&gt;
* [http://www.bom.gov.au/sat/solrad.shtml Yesterday‘s Australian Solar Radiation Map]&lt;br /&gt;
* [https://web.archive.org/web/20120210080823/http://www.ecmwf.int/research/era/ERA-40_Atlas/docs/section_B/parameter_nsfosrpd.html Net surface fluxes of solar radiation] including interannual variability&lt;br /&gt;
* [https://web.archive.org/web/20160303234841/http://oceanworld.tamu.edu/resources/ocng_textbook/chapter05/chapter05_06.htm Net surface solar radiation]&lt;br /&gt;
* [http://www.soda-is.com/eng/map/ Maps of Solar Radiation]&lt;br /&gt;
* [http://www.energymatters.com.au/climate-data/ Solar Radiation using Google Maps]&lt;br /&gt;
* [http://americansolareconomy.blogspot.com/2009/01/note-on-units-of-energy-and-insolation.html Sample Calculations based on US Insolation Map]&lt;br /&gt;
* [https://web.archive.org/web/20121116055235/http://andyschroder.com/solarradiation.html Solar Radiation on a Tilted Collector (U.S.A. only)] choose &amp;quot;Theoretically Perfect Collector&amp;quot; to receive results for the insolation on a tilted surface&lt;br /&gt;
* [https://web.archive.org/web/20121028222159/http://andyschroder.com/OptimalTilt.html Annual Optimal Orientation of Fixed Tilt Solar Collectors (U.S.A. only)]&lt;br /&gt;
* SMARTS, software to compute solar insolation of each date/location of earth [https://web.archive.org/web/20170919011143/https://www.nrel.gov/rredc/smarts/]&lt;br /&gt;
* [https://web.archive.org/web/20140717075718/http://www.brighton-webs.co.uk/energy/solar_clouds.htm Solar Radiation and Clouds - A Discussion]&lt;br /&gt;
&lt;br /&gt;
{{الصحراء الكبرى}}&lt;br /&gt;
{{تصوير}}&lt;br /&gt;
{{تصنيف كومنز|Insolation}}&lt;br /&gt;
{{طاقة شمسية}}&lt;br /&gt;
{{شريط بوابات|الفضاء|طاقة|طاقة متجددة|طقس|علم الفلك}}&lt;br /&gt;
{{ضبط استنادي}}&lt;br /&gt;
&lt;br /&gt;
[[تصنيف:النظام الشمسي]]&lt;br /&gt;
[[تصنيف:إشعاع]]&lt;br /&gt;
[[تصنيف:إشعاع جوي]]&lt;br /&gt;
[[تصنيف:خلايا كهروضوئية]]&lt;br /&gt;
[[تصنيف:ظواهر شمسية]]&lt;/div&gt;</summary>
		<author><name>عبد العزيز</name></author>
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