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12 articles for “Global Solar Radiation”
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Research ArticleOpen accessPhrase in the titleGlobal Solar Radiation Studies Due to Sunshine Hours and Other Meteorological ParametersMfon David Umoh, Sunday O. Udo, Ye-Obong N. UdoakahMultiple linear regression models were developed to estimate the monthly daily Sunshine Hours using four parameters during a period of eleven years (1997-2007) for locations in South Eastern Nigeria. These locations include Uyo (Latitude 5°18'53.7"N), Calabar (Latitude 5°16'07.6"N), Port Harcourt (Latitude 4°56'26.2"N), Warri (Latitude 5°34'21.0"N), Enugu (Latitude 6°27'42.42"N), Owerri (Latitude 5°38'05.1"N). The parameters include Relative Humidity, Maximum and Minimum temperatures, … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 3 · 30 Sep 2013 · 7,700 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleFourier transforms Investigation of Global Solar Radiation at True Noon: in the Desert climatologyU. Ali Rahoma, A.H. HassanThe aim of this work has been to obtain a typical annual time a function by the application of a calculation procedure based on a Fourier analysis to global solar radiation data of nine years at Helwan Egypt from June 1991 to August 1999. This function allows us to estimate the most probable values of the horizontal daily global solar … …American Journal of Applied Sciences, Vol. 4, Issue 11 · 30 Nov 2007 · 7,085 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleObservation Modeling for Continuous Predicting Global and Diffuse Solar Radiation on Horizontal SurfaceSomporn Hongkong, Singthong PattanasethanonMathematical modeling for continuous prediction of solar energy is inevitable for energy systems. General, existing models are mostly empirical and data dependent. This article has to present a variable model for predicting global and diffuse solar radiation on the horizontal plane. The model considered in this study has applied Hidden Markov Model (HMM) with two observations. The databases were measured … …American Journal of Environmental Sciences, Vol. 9, Issue 3 · 23 May 2013 · 6,797 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSolar Radiation at Total Solar Eclipse, 29-March 2006, at TobruqA. H. Hassan, U. Ali RahomaProblem statement: Measurement of the different components of solar radiation and fractions of these components for the global (horizontal and tracker), direct (white and three colors, yellow, red and infrared) and diffuse solar radiation during the solar eclipse, 29 March 2006 at Tobruq, Libya (Lat. 32.08°N and Long. 23.98°E). The time interval of solar eclipse was 2 h: 40 m … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 6,824 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPhotovoltaic Technology of Electricity Generation for Desert CampingShafiqur Rehman, Ali A. Shash, Omar S. Baghabra Al-AmoudiThis study presents a case study on the utilization of global solar radiation data on horizontal surface to perform economical feasibility of using Photovoltaic (PV) panels with battery backup to meet a small load for a camping site in Saudi Arabia. The analysis considers three scenarios with daily average energy demands of: (i) full load, (ii) 75% load and (iii) … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,922 accessesView PDFCite
Research ArticleOpen accessIn the abstractFeasibility of Hybrid Neuro-Fuzzy (ANFIS) Machine Learning Model with Classical Multi-Linear Regression (MLR) For the Simulation of Solar Radiation: A Case Study Abuja, NigeriaNajashi B. Gafai, Asia'u Talatu BelgoreThe extremely variable nature of solar radiation makes it difficult for solar power plants to keep up with predicted power output and demand curves. As a result, solar radiation simulation is crucial to the efficient design, administration, and operation of any solar power plant. With only partially satisfactory results, empirical models have been routinely employed in Nigeria to predict solar … …Energy Research Journal, Vol. 13, Issue 1 · 21 Jul 2022 · 10,032 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of Atmospheric Turbidity and its Correlation with Climatologically ParametersU. Ali Rahoma, A. H. HassanStudy of Atmospheric turbidity is important for purposes of meteorology, ecology, climatology and monitoring of atmospheric pollution. Linke Turbidity factor (LT) is commonly used to model the attenuation of solar radiation in the atmosphere. The probable dependence on the water vapor content of the relationship linking LT to Angstrom’s turbidity coefficient B, is discussed. In this study, a procedure for … …American Journal of Environmental Sciences, Vol. 8, Issue 6 · 28 Dec 2012 · 6,986 accessesView PDFCite
Research ArticleOpen accessIn the abstractCoreless Winter Characteristics Observed with Global Positioning System Receivers over Antarctic and Arctic RegionsWayan Suparta, Faizatul Noor Abu Bakar, Mardina AbdullahProblem statement: The most recent warming trends occurred during the winter in Polar Regions had been attracted many researchers to study its impacts, which might affect the sensitivity of climate prediction in both regions, as well as on a global basis. Approach: The aims of this study were to observe the characteristics of coreless winter events using the GPS meteorology … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 22 Jun 2012 · 7,569 accessesView PDFCite
Research ArticleOpen accessIn the abstractComputational Study of Hybrid Water Heater with Evacuated Glass Tube Solar Collector and Rice Husk CombustionPiyanun Charoensawan, Chaiwat WannagositProblem statement: The thermal performance modeling of hybrid water heater with evacuated glass tube solar collector and flue gas of rice husk combustion was developed. The solar global radiation and ambient air temperature data used in the system modeling belongs Phitsanulok province from 7 am-5 pm in the summer season. Approach: The system can be divided into two parts, i.e., … …Energy Research Journal, Vol. 1, Issue 2 · 31 Oct 2010 · 7,596 accessesView PDFCite
Research ArticleOpen accessIn the abstractReference Solar Radiation Year and Some Climatology Aspects of East Coast of West MalaysiaAbdul Majeed Muzathik, Wan Mohd Norsani Bin Wan Nik, Khalid Bin Samo, Mohd Zamri IbrahimProblem statement: This study examined in detail some aspects of radiation climatology for Terengganu state in Malaysia. The geographical co-ordinates of the site are 5°10’N latitude 103°06’E longitude and 5.2 m altitude. Approach: The data used in the present study were taken from a recording data station installed at site by the Malaysian Meteorology Department (2004). In addition to this, … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 8,854 accessesView PDFCite