Wind turbine blade having a flow guiding device with optimised height
    1.
    发明授权
    Wind turbine blade having a flow guiding device with optimised height 有权
    具有优化高度的导流装置的风力涡轮机叶片

    公开(公告)号:US08944776B2

    公开(公告)日:2015-02-03

    申请号:US13139157

    申请日:2009-10-26

    CPC classification number: F03D1/0641 F05B2240/301 Y02E10/721

    Abstract: A wind turbine blade with a flow guiding device attached to a profiled contour on a pressure side of the blade is described. The flow guiding device extends along at least a longitudinal part of a transition region of the blade and is arranged so as to generate a separation of airflow along at least a central longitudinal portion of the flow guiding device from the pressure side of the blade at a point between the flow guiding device and a trailing edge of the blade, when the blade is impacted by an incident airflow. The flow guiding device is arranged at a relative chordal position, seen from the leading edge of the blade, lying in an interval between 40% and 92%. The relative height of the flow guiding device is at least 10% of a maximum thickness of the profiled contour.

    Abstract translation: 描述了具有附接到叶片的压力侧上的轮廓轮廓的流动引导装置的风力涡轮机叶片。 流动引导装置沿着叶片的过渡区域的至少纵向部分延伸,并且布置成沿着叶片的压力侧沿流动引导装置的至少中心纵向部分产生气流分离 当叶片被入射气流冲击时,流动引导装置和叶片的后缘之间的点。 流动引导装置布置在相对的弦位置,从叶片的前缘看,以40%至92%之间的间隔。 导流装置的相对高度至少是成型轮廓最大厚度的10%。

    WIND TURBINE BLADE HAVING A FLOW GUIDING DEVICE WITH OPTIMISED HEIGHT
    2.
    发明申请
    WIND TURBINE BLADE HAVING A FLOW GUIDING DEVICE WITH OPTIMISED HEIGHT 有权
    具有优化高度的流动导向装置的风力涡轮机叶片

    公开(公告)号:US20110243753A1

    公开(公告)日:2011-10-06

    申请号:US13139157

    申请日:2009-10-26

    CPC classification number: F03D1/0641 F05B2240/301 Y02E10/721

    Abstract: A wind turbine blade with a flow guiding device attached to a profiled contour on a pressure side of the blade is described. The flow guiding device extends along at least a longitudinal part of a transition region of the blade and is arranged so as to generate a separation of airflow along at least a central longitudinal portion of the flow guiding device from the pressure side of the blade at a point between the flow guiding device and a trailing edge of the blade, when the blade is impacted by an incident airflow. The flow guiding device is arranged at a relative chordal position, seen from the leading edge of the blade, lying in an interval between 40% and 92%. The relative height of the flow guiding device is at least 10% of a maximum thickness of the profiled contour.

    Abstract translation: 描述了具有附接到叶片的压力侧上的轮廓轮廓的流动引导装置的风力涡轮机叶片。 流动引导装置沿着叶片的过渡区域的至少纵向部分延伸,并且布置成沿着叶片的压力侧沿流动引导装置的至少中心纵向部分产生气流分离 当叶片被入射气流冲击时,流动引导装置和叶片的后缘之间的点。 流动引导装置布置在相对的弦位置,从叶片的前缘看,以40%至92%之间的间隔。 导流装置的相对高度至少是成型轮廓最大厚度的10%。

    WIND TURBINE BLADE HAVING A SPOILER WITH EFFECTIVE SEPARATION OF AIRFLOW
    3.
    发明申请
    WIND TURBINE BLADE HAVING A SPOILER WITH EFFECTIVE SEPARATION OF AIRFLOW 有权
    具有有效分离气流的风力涡轮机叶片

    公开(公告)号:US20110250076A1

    公开(公告)日:2011-10-13

    申请号:US13139153

    申请日:2009-10-26

    Abstract: A wind turbine blade with a flow guiding device attached to a profiled contour on a pressure side of the blade is described. The flow guiding device extends along at least a longitudinal part of a transition region of the blade and is arranged so as to generate a separation of airflow along at least a central longitudinal portion of the flow guiding device from the pressure side of the blade at a point between the flow guiding device and a trailing edge of the blade, when the blade is impacted by an incident airflow. The inflow surface, in at least the central longitudinal portion, is formed so that, for each transverse cross-section, a end point tangent to the inflow surface at the end point crosses the profiled contour at a crossing point, where the profiled contour has a profile tangent to the profiled contour, and wherein an angle between the profile tangent and the end point tangent is at least 45 degrees.

    Abstract translation: 描述了具有附接到叶片的压力侧上的轮廓轮廓的流动引导装置的风力涡轮机叶片。 流动引导装置沿着叶片的过渡区域的至少纵向部分延伸,并且布置成沿着叶片的压力侧沿流动引导装置的至少中心纵向部分产生气流分离 当叶片被入射气流冲击时,流动引导装置和叶片的后缘之间的点。 至少中心纵向部分的流入表面被形成为使得对于每个横截面,在端点处与流入表面相切的终点在交叉点处穿过异型轮廓,其中异形轮廓具有 与轮廓轮廓相切的轮廓,并且其中轮廓切线和终点切线之间的角度至少为45度。

    Wind turbine blade having a spoiler with effective separation of airflow
    4.
    发明授权
    Wind turbine blade having a spoiler with effective separation of airflow 有权
    风力涡轮机叶片具有有效分离气流的扰流板

    公开(公告)号:US08944775B2

    公开(公告)日:2015-02-03

    申请号:US13139153

    申请日:2009-10-26

    Abstract: A wind turbine blade with a flow guiding device attached to a profiled contour on a pressure side of the blade is described. The flow guiding device extends along at least a longitudinal part of a transition region of the blade and is arranged so as to generate a separation of airflow along at least a central longitudinal portion of the flow guiding device from the pressure side of the blade at a point between the flow guiding device and a trailing edge of the blade, when the blade is impacted by an incident airflow. The inflow surface, in at least the central longitudinal portion, is formed so that, for each transverse cross-section, a end point tangent to the inflow surface at the end point crosses the profiled contour at a crossing point, where the profiled contour has a profile tangent to the profiled contour, and wherein an angle between the profile tangent and the end point tangent is at least 45 degrees.

    Abstract translation: 描述了具有附接到叶片的压力侧上的轮廓轮廓的流动引导装置的风力涡轮机叶片。 流动引导装置沿着叶片的过渡区域的至少纵向部分延伸,并且布置成沿着叶片的压力侧沿流动引导装置的至少中心纵向部分产生气流分离 当叶片被入射气流冲击时,流动引导装置和叶片的后缘之间的点。 至少中心纵向部分的流入表面被形成为使得对于每个横截面,在端点处与流入表面相切的终点在交叉点处穿过异型轮廓,其中轮廓具有 与轮廓轮廓相切的轮廓,并且其中轮廓切线和终点切线之间的角度至少为45度。

    Wind turbine blade with base part having non-positive camber
    5.
    发明授权
    Wind turbine blade with base part having non-positive camber 有权
    风力涡轮机叶片,基部具有非正外倾角

    公开(公告)号:US09057359B2

    公开(公告)日:2015-06-16

    申请号:US13320923

    申请日:2010-05-18

    Abstract: A blade, for a rotor of a wind turbine has a profiled contour in a radial direction is divided into a root region with a substantially circular or elliptical profile closest to the hub and an airfoil region with a lift generating profile furthest away from the hub. A transition region between the root region and the airfoil region has a profile gradually changing in the radial direction from the circular or elliptical profile of the root region to the lift generating profile of the airfoil region, and the airfoil region comprises at least a first longitudinal segment extending at least 20% of a longitudinal extent of the airfoil region. The first longitudinal segment has a first base part with a cross-sectional profile such that, when impacted by an incident airflow at an angle of attack of 0 degrees has a lift coefficient, which is 0 or less.

    Abstract translation: 用于风力涡轮机的转子的叶片具有沿径向方向的轮廓轮廓,被划分成具有最靠近轮毂的大致圆形或椭圆形轮廓的根部区域以及具有离轮毂最远的升力产生轮廓的翼型区域。 根部区域和翼型区域之间的过渡区域具有在径向方向上从根部区域的圆形或椭圆形轮廓到翼型区域的升力产生轮廓的轮廓,并且翼型区域包括至少第一纵向 段延伸至翼型区域的纵向范围的至少20%。 第一纵向段具有第一基部,其具有横截面轮廓,使得当以0度的入射角受到入射气流的冲击时,升力系数为0或更小。

    Wind turbine blade with base part having inherent non-ideal twist
    6.
    发明授权
    Wind turbine blade with base part having inherent non-ideal twist 有权
    风力涡轮机叶片,其基部具有固有的非理想扭转

    公开(公告)号:US08899922B2

    公开(公告)日:2014-12-02

    申请号:US13320977

    申请日:2010-05-18

    Abstract: A blade for a rotor of a wind turbine is divided into a root region closest to the hub and an airfoil region with a lift generating profile furthest away from the hub. A transition region has a profile gradually changing in the radial direction from the circular or elliptical profile of the root region to the lift generating profile of the airfoil region, and includes at least a first longitudinal segment extending along at least 20% of a longitudinal extent of the airfoil region. A base part has an inherent non-ideal twist, such as no twist, or a reduced twist compared to a target blade twist, so that an axial induction factor of the first base part at a design point deviates from a target axial induction factor. A number of flow altering devices are arranged so as to adjust the aerodynamic properties of the first longitudinal segment.

    Abstract translation: 用于风力涡轮机的转子的叶片被分成最靠近轮毂的根部区域和具有离轮毂最远的升力产生轮廓的翼型区域。 过渡区域具有在径向方向上从根部区域的圆形或椭圆形轮廓到翼型区域的升力产生轮廓的纵向变化的轮廓,并且包括至少沿纵向延伸的至少20%延伸的第一纵向段 的翼型区域。 与目标叶片扭转相比,基部具有固有的非理想扭转,例如无扭转或减小的扭转,使得设计点处的第一基部的轴向感应系数偏离目标轴向感应系数。 布置多个流动改变装置以调节第一纵向段的空气动力特性。

    Method of manufacturing a wind turbine blade having predesigned segment
    8.
    发明授权
    Method of manufacturing a wind turbine blade having predesigned segment 有权
    制造具有预先设计的段的风力涡轮机叶片的方法

    公开(公告)号:US09033659B2

    公开(公告)日:2015-05-19

    申请号:US13320932

    申请日:2010-05-18

    Abstract: A blade for a rotor of a wind turbine is manufactured with a root region with a substantially circular or elliptical profile closest to the hub, an airfoil region with a lift generating profile furthest away from the hub and a transition region having a profile gradually changing the root region to the airfoil region. A first blade design is used for the first base part on a first longitudinal section of an airfoil region of a second blade, so that an induction factor of the first base part on the second blade deviates from a target induction factor. The first longitudinal section of the second blade is provided with flow altering devices so as to adjust the aerodynamic properties of the first longitudinal segment to substantially meet the target induction factor at the design point on the second blade.

    Abstract translation: 用于风力涡轮机的转子的叶片被制造成具有最接近轮毂的大致圆形或椭圆形轮廓的根部区域,具有最远离毂的升力产生轮廓的翼型区域和具有逐渐改变的轮廓的过渡区域 根部区域到翼型区域。 第一叶片设计用于第二叶片的翼型区域的第一纵向部分上的第一基部,使得第二叶片上的第一基部的感应系数偏离目标感应系数。 第二叶片的第一纵向部分设置有流动改变装置,以便调节第一纵向段的空气动力特性,以在第二叶片上的设计点基本上满足目标感应系数。

    Wind turbine blade
    9.
    发明授权
    Wind turbine blade 有权
    风力发电机叶片

    公开(公告)号:US08894374B2

    公开(公告)日:2014-11-25

    申请号:US13320933

    申请日:2010-05-18

    Abstract: A blade for a rotor of a wind turbine has a root region with a substantially circular or elliptical profile closest to the hub and an airfoil region with a lift generating profile furthest away from the hub. A transition region has a base part with an inner dimension that varies linearly in the radial direction of the blade in such a way that an induction factor of the first base part without flow altering devices at a rotor design point deviates from a target induction factor. The first longitudinal segment is provided with a number of first flow altering devices arranged so as to adjust the aerodynamic properties of the first longitudinal segment to substantially meet the target induction factor at the design point.

    Abstract translation: 用于风力涡轮机的转子的叶片具有根部区域,其具有最靠近轮毂的大致圆形或椭圆形轮廓,以及具有离轮毂最远的升力产生轮廓的翼型区域。 过渡区域具有内部尺寸的基部,该内部尺寸沿着叶片的径向方向线性变化,使得在转子设计点处没有流动改变装置的第一基部的感应系数偏离目标感应系数。 第一纵向节段设置有多个第一流动改变装置,其布置成调节第一纵向段的空气动力特性以在设计点基本上满足目标感应系数。

    WIND TURBINE BLADE
    10.
    发明申请
    WIND TURBINE BLADE 有权
    风力涡轮叶片

    公开(公告)号:US20120070299A1

    公开(公告)日:2012-03-22

    申请号:US13320933

    申请日:2010-05-18

    Abstract: A blade for a rotor of a wind turbine has a root region with a substantially circular or elliptical profile closest to the hub and an airfoil region with a lift generating profile furthest away from the hub. A transition region has a base part with an inner dimension that varies linearly in the radial direction of the blade in such a way that an induction factor of the first base part without flow altering devices at a rotor design point deviates from a target induction factor. The first longitudinal segment is provided with a number of first flow altering devices arranged so as to adjust the aerodynamic properties of the first longitudinal segment to substantially meet the target induction factor at the design point.

    Abstract translation: 用于风力涡轮机的转子的叶片具有根部区域,其具有最靠近轮毂的大致圆形或椭圆形轮廓,以及具有离轮毂最远的升力产生轮廓的翼型区域。 过渡区域具有内部尺寸的基部,该内部尺寸沿着叶片的径向方向线性变化,使得在转子设计点处没有流动改变装置的第一基部的感应系数偏离目标感应系数。 第一纵向节段设置有多个第一流动改变装置,其布置成调节第一纵向段的空气动力特性以在设计点基本上满足目标感应系数。

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