SUN RADIATION

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An easy method to determine the air mass is from the shadow of a vertical pole AM = ⎛ s ⎞ 1 + ⎜ ⎟ ⎝ h ⎠ assuming the atmosphere is flat layer 2 MAGISTER TEKNIK ELEKTRO
SOLAR TIME LOCAL SOLAR TIME (LST) & LOCAL TIME (LT) Twelve noon local solar time (LST) is defined as when the sun is highest in the sky. Local time (LT) usually varies from LST because of the eccentricity of the Earth's orbit, and because of human adjustments such as time zones and daylight saving. LOCAL STANDART TIME MERIDIAN (LSTM) The Local Standard Time Meridian (LSTM) is a reference meridian used for a particular time zone and is similar to the Prime Meridian, which is used for Greenwich Mean Time. MAGISTER TEKNIK ELEKTRO The LSTM is calculated by: LSTM = . Δ 15 0 TGMT where ∆T GMT is the difference of the Local Time (LT) from Greenwich Mean Time (GMT) in hours. 15°= 360°/24 hours
Page 1 and 2: SUN RADIATION MAGISTER TEKNIK ELEKT
Page 3 and 4: Light may be viewed as consisting o
Page 5 and 6: The solar radiation intensity, H 0
Page 7 and 8: SOLAR RADIATION OUTSIDE THE EARTH M
Page 9 and 10: SOLAR RADIATION ON THE EARTH’S EA
Page 11: EFFECT OF AIR MASS The Air Mass qua
Page 15 and 16: TIME CORRECTION FACTOR TC = 4( LSTM
Page 17 and 18: ELEVATION ANGLE To calculate the su
Page 19 and 20: SOLAR RADIATION ON TILTED SURFACE T
Page 21: USING VECTOR TO CALCULATE SOLAR DIR

SUN RADIATION

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