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作者:Samuel Nwokolo , Julie Ogbulezie
来源:[J].International Journal of Physical Research, 2017, Vol.5 (2), pp.49-59SPC
摘要:The present research was designed to locally calibrate Hargreaves-Samani computing model (HS) in twenty-one (21) locations with their corresponding coastal and interior regions in Nigeria employing a single hybrid parameter-based model to obtain the adjusted Hargreaves-Samani coe...
作者:Samuel Nwokolo , Julie Ogbulezie
来源:[J].International Journal of Physical Research, 2017, Vol.5 (2), pp.60-78SPC
摘要:A routinely research of solar radiation is of vital requirement for surveys in agronomy, hydrology, ecology and sizing of the photovoltaic or thermal solar systems, solar architecture, molten salt power plant and supplying energy to natural processes like photosynthesis and estim...
作者:Samuel Nwokolo , Julie Ogbulezie
来源:[J].International Journal of Physical Research, 2017, Vol.5 (2), pp.91-100SPC
摘要:In this study, modeling the influence of cloudiness on diffuse horizontal irradiation (DHI) in six tropical ecological zones in Nigeria (Latitude 4.75-13.067oN and Longitude 3.333-13.16oE) using 22-year data (July 1983- June 2005) was analysed for all sky and clear sky conditions...
作者:Samuel Nwokolo , Julie Ogbulezie
来源:[J].International Journal of Advanced Astronomy, 2017, Vol.5 (2), pp.90-105SPC
摘要:In this study, models for estimating direct normal irradiance (Hb) under various sky conditions in data sparse tropical ecological zones in Nigeria were fitted. The evaluated values of clearness index indicate that the prevailing sky condition in the southern tropical zones is he...
作者:Samuel Nwokolo , Julie Ogbulezie
来源:[J].International Journal of Advanced Astronomy, 2017, Vol.5 (2), pp.106-116SPC
摘要:Several empirical models have been fitted in literature for estimating global solar radiation across the globe in order to produce global solar radiation data and also as a baseline for further scientific and environmental research without the substantial cost of instrumental net...

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