2.0 Sun Geometry
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SUN GEOMETRYRAMAKRISHNASHARMA R
1 hr session
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What is SUNThe sun is a hot sphere of gas whose internal temperatures reach over 20 million degrees Kelvin due to nuclear fusion reactions at the sun's core which convert Hydrogen to Helium.The total power emitted by the sun is calculated by multiplying the emitted power density by the surface area of the sun which gives 9.5 x 1025 W.
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QUANTIFYING SOLAR POWER
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EARTH EQUINOX
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WINTER SOLSTICE
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SUMMER SOLSTICE
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THE COMPLETE ROTATION
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SHADOW ANGLE IN WINTER
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SHADOW ANGLE IN SUMMER
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AZIMUTH AND ALTITUDE OF SUN
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THE ZENITHThe zenith angle is similar to the elevation angle but it is measured from the vertical rather than from the horizontal, thus making the zenith angle = 90° - elevation.
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SOLAR INSOLATION NO OF HRS IN SUMMER
Intensity of direct radiation in W/m² through out the day. On Summer Solstice – June 21 @ 28 Deg N Latitude – Ex. Delhi
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SOLAR INSOLATION NO OF HRS IN WINTER
Intensity of direct radiation in W/m² through out the day. On Summer Solstice – December 21 @ 28 Deg N Latitude – Ex. Delhi
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MATCHING POINT @ 30˚ TILT
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MATCHING POINT @ 25˚ TILT
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MATCHING POINT @ 35˚ TILT
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INSOLATION DATA GLOBAL