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    • 5. 发明授权
    • Method of measuring the flow rate of a liquid flowing in a fluidic channel and implementation device
    • 测量在流体通道中流动的液体的流量和实施装置的方法
    • US08381598B2
    • 2013-02-26
    • US13002196
    • 2009-06-19
    • Jean-Luc AchardPierre JolyJean-Maxime Roux
    • Jean-Luc AchardPierre JolyJean-Maxime Roux
    • G01F1/58
    • B01L3/502715B01L3/0241B01L2200/0605B01L2200/14B01L2300/0645G01F1/56G01F1/64
    • The present invention provides a method of measuring the flow rate of an electrically conductive liquid in laminar flow and to an implementation measurement device that are easy to implement, simple to produce and compact. For this purpose, the invention provides a device for measuring the flow rate, comprising: a channel (1); a pair of electrodes (2a-2b); and at least one device (3) for measuring the voltage (V) between the electrodes (2a-2b) of said pair, an electrical double layer forming at the interface of each electrode with the conducting liquid. The device comprises means (4, 5) designed so that, when the conducting liquid is flowing through the channel, the flow velocity fields in the diffuse layers facing each electrode are different and so that the convective/diffusive charge equilibria of the electrical double layer at the interface of each electrode are different.
    • 本发明提供了一种测量层流中的导电液体的流量的方法以及易于实施,易于制造和紧凑的实施测量装置。 为此,本发明提供了一种用于测量流量的装置,包括:通道(1); 一对电极(2a-2b); 以及用于测量所述一对电极(2a-2b)之间的电压(V)的至少一个装置(3),在每个电极与导电液体的界面处形成的双电层。 该装置包括设计成使得当导电液体流过通道时,面向每个电极的扩散层中的流速场是不同的,并且使得双电层的对流/扩散电荷平衡 在每个电极的界面是不同的。