International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Research Paper | Astronomy Science | India | Volume 3 Issue 8, August 2014

Solar Irradiance Modelling

V S Rohini

Abstract: CTSI is the solar energy received on outer layer of earth (at 1AU distance from sun) in form of heat flux ( in various wavelength bands) measured in w/m^2. SSA is the area of vissible sunspot on photosphere of sun. B is the daily averged solar global magnetic field. The CTSI & SSA shows delay9 with respect to each other.27day running averaged values of CTSI, SSA, B for delayed events are suitably combined in solar irradiance modelling. Using solar data for cycles 21, 22, 23 about 6 modelling equations are developed for solar irradiance. The modelled equations very well predict solar irradiance (RAWCTSI) within an error limit of +/- 0.12 w/m^2.

Keywords: Sun, CTSI, SSA, Average solar magnetic field B, Delay

Edition: Volume 3 Issue 8, August 2014,

Pages: 820 - 828

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