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公开(公告)号：US20090136354A1
公开(公告)日：2009-05-28
申请号：US12297256
申请日：2007-04-06
IPC分类号： B64C27/46
CPC分类号： F04D29/324 , F01D5/145 , F04D29/681 , F05D2240/121 , F05D2240/127 , F05D2240/303 , Y02T50/673 , Y10S415/914
摘要： A blade surrounded by: a leading edge portion, which is where fluid flows in; a pressure surface which is a concave curve shape concaved along a direction the fluid flows; a suction surface which is a convex curve shape convexed along a direction the fluid flows; and a trailing edge portion, which is where the fluid flows out, in which a disturbance addition portion is provided on the suction surface closer to the leading edge portion than a maximum velocity point, where the flow velocity of the fluid is maximized on the suction surface, for disturbing a laminar flow on the suction surface and for transitioning to a turbulent flow.
摘要翻译： 叶片包围：流体流入的前缘部分; 沿着流体流动方向凹陷的凹曲面形状的压力面; 沿着流体流动方向凸出的凸曲线形状的吸附面; 以及流体流出的后缘部，其中在比最大速度点更靠近前缘部分的吸入面上设置有扰动加法部，其中流体的流速在吸力上最大化 表面，用于扰动吸入表面上的层流并转变成湍流。
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公开(公告)号：US08118560B2
公开(公告)日：2012-02-21
申请号：US12297256
申请日：2007-04-06
CPC分类号： F04D29/324 , F01D5/145 , F04D29/681 , F05D2240/121 , F05D2240/127 , F05D2240/303 , Y02T50/673 , Y10S415/914
摘要： A blade surrounded by: a leading edge portion, which is where fluid flows in; a pressure surface which is a concave curve shape concaved along a direction the fluid flows; a suction surface which is a convex curve shape convexed along a direction the fluid flows; and a trailing edge portion, which is where the fluid flows out, in which a disturbance addition portion is provided on the suction surface closer to the leading edge portion than a maximum velocity point, where the flow velocity of the fluid is maximized on the suction surface, for disturbing a laminar flow on the suction surface and for transitioning to a turbulent flow.
摘要翻译： 叶片包围：流体流入的前缘部分; 沿着流体流动方向凹陷的凹曲面形状的压力面; 沿着流体流动方向凸出的凸曲线形状的吸附面; 以及流体流出的后缘部，其中在比最大速度点更靠近前缘部分的吸入面上设置有扰动加法部，其中流体的流速在吸力上最大化 表面，用于扰动吸入表面上的层流并转变成湍流。
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