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A new mixing–oxygenating technology for water quality improvement of urban water source and its implication in a reservoir

Cong, Hai-Bing; Huang, Ting-Lin; Chai, Bei-Bei; Zhao, … - In: Renewable Energy 34 (2009) 9, pp. 2054-2060

anoxic condition in the lower-layer water. The Fenhe reservoir began to supply raw water to the drinking water treatment … plant of the City of Taiyuan, China in 2004. The surface of the reservoir froze in winter, and the lower-layer water above … the reservoir bed became anoxic because of oxygen consumption by the sediments. Hence, ammonia–nitrogen released from the …

Persistent link: https://www.econbiz.de/10010805956

Geothermal energy from hot dry rock: A renew able energy technology moving towards practical implementation

Duchane, D.V. - In: Renewable Energy 9 (1996) 1, pp. 1246-1249

The technology to extract useful amounts of energy from the large, ubiquitous, hot dry rock (HDR) resource has been under development for more than twenty years. Initial work during the 1970's and 1980's showed that it is possible to access and extract HDR energy using techniques originally...

Persistent link: https://www.econbiz.de/10010805448

Spatial and temporal characteristics of wind and wind power off the coasts of Brittany

Bentamy, Abderrahim; Croize-Fillon, Denis - In: Renewable Energy 66 (2014) C, pp. 670-679

The main objective of this paper is to thoroughly examine the remotely sensed wind characteristics around the coasts of Brittany as well as some more specific areas. The offshore wind power potential is then assessed. To achieve this objective, information on wind speed and direction with...

Persistent link: https://www.econbiz.de/10010806086

A hierarchical methodology for the mesoscale assessment of building integrated roof solar energy systems

Jo, J.H.; Otanicar, T.P. - In: Renewable Energy 36 (2011) 11, pp. 2992-3000

Buildings and other engineered structures that form cities are responsible for a significant portion of the global and local impacts of climate change. Consequently, the installation of building integrated renewable energy sources such as photovoltaic or solar thermal systems on building...

Persistent link: https://www.econbiz.de/10010806576

In-service testing of wind turbine towers using a microwave sensor

Pieraccini, Massimiliano; Parrini, Filippo; Fratini, Matteo - In: Renewable Energy 33 (2008) 1, pp. 13-21

A remote-sensing technique based on microwave interferometry is applied to dynamic testing of wind turbine towers for power generation. A high-speed interferometric radar is able to sample the structure at a rate high enough for modal and transient analysis. An experimental campaign is reported...

Persistent link: https://www.econbiz.de/10010806677

Multi-site testing and evaluation of remote sensing instruments for wind energy applications

Sanz Rodrigo, J.; Borbón Guillén, F.; Gómez Arranz, P.; … - In: Renewable Energy 53 (2013) C, pp. 200-210

A procedure for testing and evaluation of remote sensing instruments that makes use of two test sites in flat and complex terrain is presented. To illustrate the method, a system intercomparison experiment is presented involving one sodar and two lidars (pulsed and continuous-wave). The wind...

Persistent link: https://www.econbiz.de/10011045455