@inproceedings{d3ab304768d1462092b107e7e805ecd1,
title = "Optimization and flow analysis of ducted tidal stream turbine",
abstract = "Efficiency of the tidal stream turbine with thin-wall axisymmetric ducts was numerically simulated. The ducts design parameters of diffuser curves, expansion ratio and duct length were simply optimized. The results showed that the duct of second order diffuser curve, expansion ratio of 2.25 and a length-diameter ratio of 1.2 has the best performance. By comparison of different ducts flow, it revealed that flow separation at the duct outlet and the ejection influenced ducted turbine efficiency. The separation caused blockage and flow rate decreasing, and so performance deteriorated. The ejection caused lower pressure at the outlet of the duct, which allowed higher pressure drop through turbine impeller, and so improved turbine efficiency.",
keywords = "Ducted turbine, Flow analysis, Numerical simulation, Parameter optimization",
author = "Zhou, \{Jun Wei\} and Wang, \{Da Zheng\} and Li, \{Ya Nan\}",
year = "2013",
doi = "10.4028/www.scientific.net/AMR.694-697.683",
language = "英语",
isbn = "9783037856932",
series = "Advanced Materials Research",
pages = "683--688",
booktitle = "Manufacturing Process and Equipment",
note = "4th International Conference on Manufacturing Science and Engineering, ICMSE 2013 ; Conference date: 30-03-2013 Through 31-03-2013",
}