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    Computational Fluid Dynamics Investigation of a Novel Multiblade Wind Turbine in a Duct

    Source: Journal of Solar Energy Engineering:;2013:;volume( 135 ):;issue: 001::page 11008
    Author:
    Wang, Jifeng
    ,
    Piechna, Janusz
    ,
    Mأ¼ller, Norbert
    DOI: 10.1115/1.4007089
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A novel manufacturing approach similar to filament winding is able to produce highperformance and lightweight composite wheels. The production can be rapid, inexpensive, and utilize commercially available winding machines. One potential application of the wheel is as a wind turbine. It is widely accepted that placing a duct around a wind turbine can enhance its performance, especially when a new designed turbine with unique advantages has a relatively low power coefficient, it is necessary to examine the benefits and economics of a turbine in a duct. In this study, a numerical analysis of a ducted multiblade composite wind turbine using computational fluid dynamics (CFD) is evaluated and compared with a bare wind turbine of the same turbine area. This investigation was performed using FLUENT in conjunction with the GAMBIT meshing tool. The extracted power is calculated and compared for these two modeling designs. Through the comparison of power coefficient variation with thrust coefficient, it was found that a ducted turbine can be 2–3 times that of the power extracted by a bare turbine. The results of the analysis provide an insight into the aerodynamic design and operation of a ducted wind turbine in order to shorten the design period and improve its technical performance.
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      Computational Fluid Dynamics Investigation of a Novel Multiblade Wind Turbine in a Duct

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    http://yetl.yabesh.ir/yetl1/handle/yetl/153121
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    contributor authorWang, Jifeng
    contributor authorPiechna, Janusz
    contributor authorMأ¼ller, Norbert
    date accessioned2017-05-09T01:02:31Z
    date available2017-05-09T01:02:31Z
    date issued2013
    identifier issn0199-6231
    identifier othersol_135_1_011008.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/153121
    description abstractA novel manufacturing approach similar to filament winding is able to produce highperformance and lightweight composite wheels. The production can be rapid, inexpensive, and utilize commercially available winding machines. One potential application of the wheel is as a wind turbine. It is widely accepted that placing a duct around a wind turbine can enhance its performance, especially when a new designed turbine with unique advantages has a relatively low power coefficient, it is necessary to examine the benefits and economics of a turbine in a duct. In this study, a numerical analysis of a ducted multiblade composite wind turbine using computational fluid dynamics (CFD) is evaluated and compared with a bare wind turbine of the same turbine area. This investigation was performed using FLUENT in conjunction with the GAMBIT meshing tool. The extracted power is calculated and compared for these two modeling designs. Through the comparison of power coefficient variation with thrust coefficient, it was found that a ducted turbine can be 2–3 times that of the power extracted by a bare turbine. The results of the analysis provide an insight into the aerodynamic design and operation of a ducted wind turbine in order to shorten the design period and improve its technical performance.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleComputational Fluid Dynamics Investigation of a Novel Multiblade Wind Turbine in a Duct
    typeJournal Paper
    journal volume135
    journal issue1
    journal titleJournal of Solar Energy Engineering
    identifier doi10.1115/1.4007089
    journal fristpage11008
    journal lastpage11008
    identifier eissn1528-8986
    treeJournal of Solar Energy Engineering:;2013:;volume( 135 ):;issue: 001
    contenttypeFulltext
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