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International Journal of Advances in Scientific Research and Engineering-IJASRE
Comparative Study on Mass loss by the Sun and Energy Available for Utilization between two Tropical Stations in Nigeria
Article Category: Physics
Author: Davidson Odafe Akpootu,Simeon Imaben Salifu,Okpala Chidozie Nnaemeka,Samuel Adesina Fagbemi,Mukhtar Isah Iliyasu,Shaibu Aruna,Isaac Obiajulu Onwubuya
The electromagnetic radiation emitted from the Sun is called solar radiation. Almost all life on Earth evolved with the Sun as a major influence. The rising and setting Sun defined the daily cycle we still respond to biologically. This study investigates the yearly, monthly and daily variation of mass loss by the Sun for two locations; Gusau and Calabar situated across the Sahelian and Coastal climatic zones of Nigeria using daily, monthly and yearly global solar radiation meteorological data obtained from the National Aeronautics and Space Administration (NASA) during the period of twenty-two years (July 1983 – June 2005). The energy available for utilization based on the mass loss by the Sun for the two locations was also investigated. The fluctuations in the results revealed that the mass loss by the Sun varies significantly from year to year, month to month and from day to day; thus, indicating that it is site-dependent and strongly depends on the global solar radiation and solar activities in each of the locations. The highest yearly, monthly and daily mass losses by the Sun for Gusau are 6.3155 x 1017 kg y-1in 1985, 5.5691 x 1016 kg m-1 in April and 2.3482 x1015 kg d-1 on April 21, 1985, respectively and the lowest yearly, monthly and daily mass losses by the Sun are 5.6423 x1017 kg y-1in 1999, 4.2740 x1016 kg m-1in December and 1.3031 x1015 kg d-1 on December 25, 1999, respectively. The highest yearly, monthly and daily mass losses by the Sun for Calabar are 4.6558 x 1017 kg y-1 in 1984, 4.6451 x1016kg m-1 in February and 2.0252 x1015 kg d-1 on February 16, 1984, respectively and the lowest yearly, monthly and daily mass losses by the Sun are3.6806 x1017 kg y-1 in 1983, 2.5346 x1016 kg m-1in August and 1.9546 x 1014 kg d-1 on August 7, 1983, respectively. The results indicated that the solar energy available for utilization for Gusau are greater than that of Calabar and this is a reflection of the abundant amount of global solar radiation received on a horizontal surface for Gusau as compared to Calabar.
Keyword: Mass loss, Sun, Solar energy utilization, Global solar radiation, NASA.
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