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Solar Energy Engineering: Processes and Systems
07 Jul 2009-
About: The article was published on 2009-07-07 and is currently open access. It has received 1441 citations till now. The article focuses on the topics: Energy engineering & Solar energy.
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TL;DR: In this article, the authors investigated the effects of nanofluids on the performance of solar collectors and solar water heaters from the efficiency, economic and environmental considerations viewpoints, and made some suggestions to use the nanoparticles in different solar thermal systems such as photovoltaic/thermal systems, solar ponds, solar thermoelectric cells, and so on.
1,069 citations
TL;DR: The development in solar PV technology is growing very fast in recent years due to technological improvement, cost reductions in materials and government support for renewable energy based electricity production as mentioned in this paper, which makes photovoltaic as one of the fastest growing industries.
Abstract: The development in solar PV technology is growing very fast in recent years due to technological improvement, cost reductions in materials and government support for renewable energy based electricity production. Photovoltaic is playing an important role to utilize solar energy for electricity production worldwide. At present, the PV market is growing rapidly with worldwide around 23.5 GW in 2010 and also growing at an annual rate of 35–40%, which makes photovoltaic as one of the fastest growing industries. The efficiency of solar cell is one of the important parameter in order to establish this technology in the market. Presently, extensive research work is going for efficiency improvement of solar cells for commercial use. The efficiency of monocrystalline silicon solar cell has showed very good improvement year by year. It starts with only 15% in 1950s and then increase to 17% in 1970s and continuously increase up to 28% nowadays. The growth in solar photovoltaic technologies including worldwide status, materials for solar cells, efficiency, factor affecting the performance of PV module, overview on cost analysis of PV and its environmental impact are reviewed in this paper.
566 citations
Cites background from "Solar Energy Engineering: Processes..."
...18 shows the effect of temperature on PV cell characteristic [84]....
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...Effect of temperature on PV cell characteristic [84]....
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TL;DR: In this paper, a review of the works related to these two strategies is presented and issues pertaining to sustainable development implications and further research work required are also highlighted, including life cycle cost and environmental impacts, climate change and social policy issues.
446 citations
TL;DR: In this article, the authors analyzed the current status and future policies of photovoltaic energy power systems in some European countries, United States of America, China and Japan's current status, and the future policies were analyzed.
Abstract: Energy, which is the main agenda of our world, is crucially important for the people. Many countries frequently held meetings and discussions with energy agenda. These countries are working to balance the energy demand and supply. For finding the solution are researched, researches should be attempted to present a more efficient way to use energy as well as renewable energy resources effectively. Photovoltaic energy power systems take place as the most dominant source among renewable energy technologies. The most important reason is that it is unlimited and clean energy of the solar power systems. Many studies show that photovoltaic power systems will have an important share in the electricity of the future. In this study, to generate electricity from solar energy using photovoltaic systems have a leading position in some European countries, United States of America, China and Japan's current status and future policies will be analyzed in various comments were made.
409 citations
Cites background from "Solar Energy Engineering: Processes..."
...5 US per watt peak and the target is to reduce this to about $1 US/W peak by 2020 [21]....
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TL;DR: This review outlined various types of heterogeneous photocatalysts, mechanism, synthesis methods of biomass supported photocatalyst, photoc atalytic degradation of organic substances in real wastewater, and photocAtalytic reactor designs and their operating parameters as well as the latest development of photoc atalyst incorporated membrane.
Abstract: Photocatalysis is an ecofriendly technique that emerged as a promising alternative for the degradation of many organic pollutants. The weaknesses of the present photocatalytic system which limit their industrial applications include low-usage of visible light, fast charge recombination, and low migration ability of the photo-generated electrons and holes. Therefore, various elements such as noble metals and transition metals as well as non-metals and metalloids (i.e., graphene, carbon nanotube, and carbon quantum dots) are doped into the photocatalyst as co-catalysts to enhance the photodegradation performance. The incorporation of the co-catalyst which alters the photocatalytic mechanism was discussed in detail. The application of photocatalysts in treating persistent organic pollutants such as pesticide, pharmaceutical compounds, oil and grease and textile in real wastewater was also discussed. Besides, a few photocatalytic reactors in pilot scale had been designed for the effort of commercializing the system. In addition, hybrid photocatalytic system integrating with membrane filtration together with their membrane fabrication methods had also been reviewed. This review outlined various types of heterogeneous photocatalysts, mechanism, synthesis methods of biomass supported photocatalyst, photocatalytic degradation of organic substances in real wastewater, and photocatalytic reactor designs and their operating parameters as well as the latest development of photocatalyst incorporated membrane.
386 citations