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发明公开
CN102840886A 一种基于多孔介质的流量测量装置及其实现方法 无效 - 驳回

一种基于多孔介质的流量测量装置及其实现方法
摘要：
本发明公布了一种基于多孔介质的流量测量装置，包括圆柱型的测量管，在测量管内安装有两个定位滤网，在两个定位滤网之间堆积有小球体，小球体在测量管内堆积成多层的多孔介质，在测量管的侧壁上安装有两个测压管，两个测压管位于小球体的堆积区域内。本发明采用小球堆积结构作为多孔介质结构单元，由于小球堆积结构是一种典型的饱和有序多孔介质，针对小球堆积结构流体动力学的研究数据及成果较多，有利于指导流量计的设计与标定工作，且小球制造工艺成熟，成本较低。
摘要（英）：

The invention discloses a porous medium-based flow measuring device, which comprises a cylindrical measuring tube, wherein two positioning filter screens are arranged in the measuring tube; small balls are stacked between the two positioning filter screens and are stacked into a multi-layer porous medium in the measuring tube; a side wall of the measuring tube is provided with two pressure measuring tubes; and the two pressure measuring tubes are positioned in a stacking region of the small balls. According to the porous medium-based flow measuring device, the small ball stacking structure is used as a porous medium structural unit; since the small ball stacking structure is a typical saturated ordered porous medium, and more research data and achievements aiming at fluid dynamics of the small ball stacking structure are achieved, the design and the calibration work of a flow meter are favorably guided, and the small ball manufacturing process is mature and lower in cost.

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