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  • Open Access

    ARTICLE

    Influence of Wind Turbine Structural Parameters on Wind Shear and Tower Shadow Effect

    Yajing Zhang1, Chaoyang Song2, Zhiguo Li2,*

    Energy Engineering, Vol.120, No.2, pp. 501-510, 2023, DOI:10.32604/ee.2022.021423

    Abstract To overcome the problems of natural decreases in power quality, and to eliminate wind speed fluctuation due to wind shear and tower shadow effect arising from wind turbine structural parameters, an improved prediction model accounting for the dual effect of wind shear and tower shadow is, in this paper, built. Compared to the conventional prediction model, the proposed model contains a new constraint condition, which makes the disturbance term caused by the tower shadow effect always negative so that the prediction result is closer to the actual situation. Furthermore, wind turbine structural parameters such as More > Graphic Abstract

    Influence of Wind Turbine Structural Parameters on Wind Shear and Tower Shadow Effect

  • Open Access

    ARTICLE

    Optimal Structural Parameters for a Plastic Centrifugal Pump Inducer

    Wenbin Luo1,*, Lingfeng Tang1, Yuting Yan2, Yifang Shi1

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.4, pp. 869-899, 2023, DOI:10.32604/fdmp.2022.022280

    Abstract The aim of the study is to determine the optimal structural parameters for a plastic centrifugal pump inducer within the framework of an orthogonal experimental method. For this purpose, a numerical study of the related flow field is performed using CFX. The shaft power and the head of the pump are taken as the evaluation indicators. Accordingly, the examined variables are the thickness (S), the blade cascade degree (t), the blade rim angle (β1), the blade hub angle (β2) and the hub length (L). The impact of each structural parameter on each evaluation index is More >

  • Open Access

    ARTICLE

    Optimization of the Structural Parameters of a Plastic Centrifugal Pump in the Framework of a Flow Field Analysis

    Wenbin Luo1,*, Youmin Wang1, Yuting Yan2, Yifang Shi1, Zhendong Zhang3

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.3, pp. 789-813, 2022, DOI:10.32604/fdmp.2022.019691

    Abstract In order to determine the optimal structural parameters of a plastic centrifugal pump in the framework of an orthogonal-experiment approach, a numerical study of the related flow field has been performed using CFX. The thickness S, outlet angle β2, inlet angle β1, wrap angle, and inlet diameter D1 of the splitter blades have been considered as the variable factors, using the shaft power and efficiency of the pump as evaluation indices. Through a parametric analysis, the relative importance of the influence of each structural parameter on each evaluation index has been obtained, leading to the More >

  • Open Access

    ARTICLE

    Optimization of the Structural Parameters of a Plastic Centrifugal Pump

    Yifang Shi*, Lingfeng Tang, Yinwu Tan, Wenbin Luo

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.3, pp. 713-736, 2022, DOI:10.32604/fdmp.2022.018434

    Abstract The structural design parameters of a plastic centrifugal pump were calculated and modeled, and flow field simulation analysis of the model was performed using CFD, in the framework of an orthogonal design method (or experiment). The inlet mounting angle β1, outlet mounting angle β2, wrap angle ϕ, and impeller inlet diameter D1 of the pump impeller were the four factors assumed for the application of the orthogonal experiment, using the efficiency and Net Positive Suction Head (NPSH) as evaluation indices. Moreover, taking the maximum efficiency and minimum NPSH of the plastic centrifugal pump as the More >

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