Showing 71 - 80 of 139
This paper proposes to use a rather new statistical approach in the realm of solar radiation modelling namely Bayesian inference. In this work, the theory of Bayesian inference will be presented at length. The Bayesian analysis consists in two levels. The first one is related to the parameter...
Persistent link: https://www.econbiz.de/10010805094
With high penetration of PV generation in power grid distribution systems, solar irradiance fluctuations introduced by moving clouds may lead to variations in voltage and power flow in the grid and may affect the stability of the grid system. Predicting the characteristics of the fluctuations...
Persistent link: https://www.econbiz.de/10010805133
Solar radiation measurements are not easily available, especially for the diffuse solar radiation. In this study, two models for estimating the diffuse solar radiation are proposed based on multiple predictors including the clearness index, relative sunshine duration, ambient temperature and...
Persistent link: https://www.econbiz.de/10010805225
This study explores the possibility of developing an artificial neural networks model that could be used to predict monthly average daily total solar irradiation on a horizontal surface for locations in Uganda based on geographical and meteorological data: latitude, longitude, altitude, sunshine...
Persistent link: https://www.econbiz.de/10010805388
Solar thermal energy is an important renewable resource that can be employed effectively in industrial processes. Together with residential and commercial applications, there is great growth potential for this energy technology for industrial uses. This natural and viable source of energy...
Persistent link: https://www.econbiz.de/10010673598
The tilt angle of a solar energy system is one of the important parameters for capturing maximum solar radiation falling on the solar panels. This angle is site specific as it depends on the daily, monthly and yearly path of the sun. The accurate determination of the optimum tilt angle for the...
Persistent link: https://www.econbiz.de/10010666004
In recent years, several intensive studies have been carried out in order to reduce the energy consumption of buildings. One solution lies on whole building energy simulation that permits to enable the heat (and moisture) transfer through the building envelope and, consequently, is a way to...
Persistent link: https://www.econbiz.de/10010571967
Photovoltaic (PV) is one of the promising solar energy applications. Measured data can give the realistic performance of PV systems under actual operating environments for product selection and system design. This paper studies a grid-connected PV system installed in an institutional building....
Persistent link: https://www.econbiz.de/10010572085
Solar radiation data provide information on how much of the sun's energy strikes a surface at a location on the earth during a particular time period. These data are needed for effective research in solar-energy utilization. Due to the cost of and difficulty in solar radiation measurements and...
Persistent link: https://www.econbiz.de/10010573476
New comparative tests on three different types of heat pipe solar collectors are presented in this paper. These three collectors are installed in parallel and tested at the same working conditions.
Persistent link: https://www.econbiz.de/10010573543