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    • 3. 发明申请
    • REDUCING FRICTION OF A VISCOUS FLUID FLOW IN A CONDUIT
    • 减少流体中粘度流体的摩擦
    • WO2013116902A1
    • 2013-08-15
    • PCT/AU2013/000109
    • 2013-02-07
    • COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    • WU, JieGRAHAM, LachlanSHORT, Gregory MarkHARRIS, Dean William
    • F17D1/16
    • F17D1/17F15D1/008F15D1/06F17D1/16Y10T137/0391Y10T137/2076Y10T137/2082
    • A device for reducing friction of a viscous fluid flow in a conduit includes a body (10,110) positionable to define at least a segment of a flow path for the viscous fluid in or contiguous with the conduit, a cavity (40,140) in the body for retaining lubricating fluid, and at least one port (42,142) in the body for delivering lubricating fluid to the cavity. A fluid outlet arrangement (48,148) from the cavity delivers lubricating fluid to the flow path to form a downstream lubricating film about viscous fluid flowing therein. The fluid outlet arrangement comprises a substantially continuous opening or ring of close spaced openings about the flow path. The cavity comprises an array of passages in the body that includes a plurality of elongate passages (55,155) that extend about the flow path effective collectively to reduce the pressure variation and therefore velocity variation of the delivered lubricating fluid along the outlet arrangement. A corresponding method is also disclosed.
    • 用于减少导管中的粘性流体流的摩擦的装置包括主体(10,110),其可定位成限定用于粘性流体或与导管邻接的粘性流体的流路的至少一段,所述主体中的空腔(40,140) 保持润滑流体,以及至少一个端口(42,142),用于将润滑流体输送到腔体。 来自空腔的流体出口装置(48,148)将润滑流体输送到流动路径,以在其中流动的粘性流体形成下游润滑膜。 流体出口装置包括围绕流动路径的基本上连续的开口或环的密闭间隔的开口。 空腔包括主体中的通道阵列,其包括多个细长通道(55,155),所述多个细长通道围绕流动路径延伸,共同有效地降低压力变化并因此减小输送的润滑流体沿出口装置的速度变化。 还公开了相应的方法。
    • 8. 发明申请
    • PLASTIC PLATE FOR LINING CONCRETE COMPONENTS
    • 塑料板衬砌混凝土部分
    • WO2006111418A8
    • 2007-08-02
    • PCT/EP2006003728
    • 2006-04-22
    • AGRU KUNSTSTOFFTECHNIK GMBHBERGER WOLFGANG
    • BERGER WOLFGANG
    • F15D1/06
    • F15D1/06B60R21/13B60R2021/135F15D1/0045F16L59/028
    • The invention relates to a plastic plate for lining concrete components through which a fluid medium flows. Said plastic plate is provided with a plurality of anchor elements (10) which are mounted on the side (1B) thereof oriented towards the concrete component wall and which make it possible to positively fixe said plastic plate to the concrete component. The side (1A) of the plastic plate oriented to a medium is provided with a plurality of adjacent flow elements (4) which are embodied in the form of elevated structures comprising an upstream flank (4A) oriented in a flow direction (9) and an oppositely oriented downstream flank (4B), wherein the superficial areas located between the flow elements are smoothly shaped. In such a manner, it makes it possible to increase a dragging effect of medium-carried particles in order to avoid solid deposits even at a low flowrate. In the preferred embodiment, the flow elements are constructed in the form of narrow webs which have a wedge-shaped cross section and are distributed in individual rows (IV) side by side transversally to the longitudinal axis (5) of the plastic plate.
    • 本发明涉及一种塑料板衬砌混凝土部件,它们通过由可流动介质流动。 塑料板具有位于侧(IB),其面向混凝土构件,多个锚定元件(10)的壁,从而使塑料板在混凝土元件能够可靠地连接。 在面对介质的一侧(IA),所述塑料板具有多个相邻的流动元件(4)上对置为具有在流动方向(9)上游边缘(4A)凸起结构和逆着流动方向指向下游侧翼(4B )形成,其中所述流动元件之间位于表面区域是光滑的。 这确保了在介质颗粒的拖曳作用增加,从而使固体沉积物以低流量甚至避免得以实现。 在一个优选的实施方案中,流动元件被形成为具有楔形横截面(IV)彼此相邻的窄条带倾斜地相对于所述纵向轴线(5)的塑料板被布置成在各行中运行。