Jinsi ya kukokotoa Solar Irradiance
Solar Irradiance ni nini?
Solar irradiance is solar power density reaching Earth's surface. It varies by location, time, clouds, and atmospheric conditions.
Mwongozo wa Hatua kwa Hatua
- 1Direct normal irradiance (DNI): beam radiation perpendicular to surface
- 2Diffuse horizontal irradiance (DHI): scattered radiation from entire sky
- 3Global horizontal irradiance (GHI): total arriving at horizontal surface
Mifano Iliyotatuliwa
Ingizo
Clear day, sea level, solar noon
Matokeo
GHI ≈ 1000 W/m² (AM 1.5 standard spectrum)
Peak theoretical
Makosa ya Kawaida ya Kuepuka
- ✕Using peak 1000 W/m² without accounting for clouds and seasons
- ✕Neglecting angle-of-incidence effects
Maswali yanayoulizwa mara kwa mara
How does altitude affect irradiance?
Higher elevation reduces atmospheric path, increasing irradiance. 1000 m altitude ~10% higher than sea level.
Why do solar panels need tilting?
Tilting captures more direct irradiance. Optimal angle ≈ latitude for fixed systems.
Je, uko tayari kukokotoa? Jaribu Kikokotoo kisicholipishwa cha Solar Irradiance
Jaribu mwenyewe →