Showing 1 - 10 of 289
This paper compares the daily solar irradiation available at surface estimated by the MERRA (Modern-Era Retrospective Analysis for Research and Applications) re-analysis of the NASA and the ERA-Interim re-analysis of the European Center for Medium-range Weather Forecasts (ECMWF) against...
Persistent link: https://www.econbiz.de/10011116531
The problem of flat plate solar energy collector with water flow is simulated and analyzed using computational fluid dynamics (CFD) software. The considered case includes the CFD modeling of solar irradiation and the modes of mixed convection and radiation heat transfer between tube surface,...
Persistent link: https://www.econbiz.de/10010804257
In this paper, solar radiation obtained from different frequently used databases is compared in some different locations. In the analyzed databases, the data come from ground measurement networks, or from different models and with different resolutions. The proposed methodology assumes the...
Persistent link: https://www.econbiz.de/10011044340
In this work, monthly average daily global solar irradiation over Cambodia was estimated from a long-term satellite data. A 14-year period (1995–2008) of visible channel data from GMS5, GOES9 and MTSAT-1R satellites were used to provide earth-atmospheric reflectivity. A satellite-based solar...
Persistent link: https://www.econbiz.de/10011045752
In this article, experimental investigation of 15 m2 solar parabolic trough collector with porous disc enhanced receiver is carried out according to ASHRAE 93-1986 test procedure. Six different receiver configurations are developed and investigated to compare their performance. The performance...
Persistent link: https://www.econbiz.de/10011189896
In the green building of Shanghai Research Institute of Building Science, the evacuated tubular solar collectors with a total area of 150m2 were installed to provide heating for the covered area of 460m2. The floor heating coil pipes were made of high-quality pure copper with the dimension of Φ...
Persistent link: https://www.econbiz.de/10011046358
The paper reviews recent trends in renewable energy in developing countries including trends in funding, as well as in approaches and in technologies. Since the downturn in oil prices in the mid 1980's environmental concerns, especially fears of global warming, have replaced oil scarcity as a...
Persistent link: https://www.econbiz.de/10010804226
Viability of solar photovoltaics as an electricity generation source for Jordan was assessed utilizing a proposed 5MW grid-connected solar photovoltaic power plant. Long-term (1994–2003) monthly average daily global solar radiation and sunshine duration data for 24 locations – distributed...
Persistent link: https://www.econbiz.de/10010804907
The current state of the art in amorphous silicon (a-Si: H) solar cell R & D efforts and their photovoltaic system applications are reviewed. Firstly, progress in a-Si alloy production technologies is overviewed with their significance as the champion material for a low cost solar cells....
Persistent link: https://www.econbiz.de/10010805603
The objective of this paper is to describe the development of a multi-agent system for the control of a PV-based microgrid. A case study is presented to demonstrate the agents’ abilities to island the PV-based microgrid in the event of an external fault, secure critical loads, and...
Persistent link: https://www.econbiz.de/10010806807