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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2013, Vol. 14 Issue (1): 25-30    DOI: 10.1631/jzus.A1200139
Mechanical Engineering     
Numerical investigation of the power generation of a ducted composite material marine current turbine
Ji-feng Wang, Janusz Piechna, Norbert Müller
Turbomachinery Laboratory, Mechanical Engineering, Michigan State University, East Lansing, MI 48822, USA; Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Warsaw, Poland
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Abstract  In the hostile and highly corrosive marine environment, advanced composite materials can be used in marine current turbines due to their high strength-to-weight ratios and excellent resistance to corrosion. A composite material marine current turbine (CMMCT), which has significant advantages over traditional designs, has been developed and investigated numerically. A substantial improvement in turbine performance is achieved by placement of a duct to concentrate the energy. Computational fluid dynamics (CFD) results show that the extracted power of a ducted CMMCT can be three to four times the power extracted by a bare turbine of the same turbine area. The results provide an insight into the hydrodynamic design and operation of a CMMCT used to shorten the design period and improve technical performance.

Key words： Power generation      Composite material      Computational fluid dynamics (CFD)      Ducted composite material marine current turbine (CMMCT)     
Received: 04 June 2012      Published: 02 January 2013
CLC:  TK7  
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Ji-feng Wang
Janusz Piechna
Norbert Müller
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Ji-feng Wang, Janusz Piechna, Norbert Müller. Numerical investigation of the power generation of a ducted composite material marine current turbine. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2013, 14(1): 25-30.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1200139     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2013/V14/I1/25

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