Method of measuring flow rates of respective fluids constituting multiphase fluid and flow meter for multiphase flow utilizing same
    1.
    发明授权
    Method of measuring flow rates of respective fluids constituting multiphase fluid and flow meter for multiphase flow utilizing same 失效
    测量构成多相流体的各种流体的流量和使用其的多相流量的流量计的方法

    公开(公告)号:US06467358B1

    公开(公告)日:2002-10-22

    申请号:US09175385

    申请日:1998-10-19

    IPC分类号: G01F174

    CPC分类号: G01F1/712 G01F1/363 G01F1/74

    摘要: A flow meter for a multiphase flow which comprises a cross-correlation flow meter (26) for measuring basic values to calculate component ratios of respective fluids constituting a multiphase fluid (2) comprising a gas and a plurality of liquids in a pipe (1) through which the multiphase fluid flows; and an arithmetic circuit (22) for calculating flow rates of the respective fluids, which acquires information concerning ratios of liquid phase components of the multiphase fluid (2) on the basis of both measured values obtained by the cross-correlation flow meter (26) at an instance when the pipe (1) is filled with liquid alone during the passage of the multiphase fluid (2) through the pipe (1) provided with the cross-correlation flow meter (26) and characteristic values of the respective fluids of the multiphase fluid (2), acquires information concerning ratios of the respective fluids from a time average of the measurements obtained by the cross-correlation flow meter (26) and the respective characteristic values, then obtains the component ratios of the respective fluids by utilizing the fact that a sum of the component ratios of the respective fluids becomes (1), calculates an average flow velocity of the multiphase fluid (2) from time between fluctuations of the measured values obtained by the cross-correlation flow meter (26), and calculates flow rates of the respective fluids by utilizing the respective component ratios and the average flow velocity.

    摘要翻译: 一种用于多相流的流量计,其包括用于测量基本值的互相关流量计(26),以计算构成管道(1)中的气体和多种液体的构成多相流体(2)的各种流体的分量比, 多相流体通过其流动; 以及用于计算各流体的流量的运算电路(22),其根据由互相关流量计(26)获得的两个测量值来获取关于多相流体(2)的液相成分的比率的信息, 在多相流体(2)通过设置有互相关流量计(26)的管道(1)通过管道(1)时单独填充管道的情况下,以及 多相流体(2)从相互关联流量计(26)获得的测量的时间平均值和各个特征值中获取关于各流体的比率的信息,然后通过利用 事实上,各流体的分量比的总和变为(1),从测量值的波动之间的时间计算多相流体(2)的平均流速 通过互相关流量计(26)获得,并且通过利用各个分量比和平均流速来计算各流体的流量。

    Liquid supply apparatus and method of detecting fault thereof
    2.
    发明授权
    Liquid supply apparatus and method of detecting fault thereof 有权
    液体供给装置及其检测方法

    公开(公告)号:US08087549B2

    公开(公告)日:2012-01-03

    申请号:US11930261

    申请日:2007-10-31

    IPC分类号: G01F11/00

    摘要: In a liquid supply apparatus, a liquid held in a liquid holding portion is pushed out to the exterior by pressurized gas. The apparatus includes a liquid pouring section for pouring a predetermined amount of liquid into an intermediate portion of the liquid holding portion, a liquid discharge portion which comprises a thin pipe smaller in flow passage cross-sectional area than the liquid holing portion, and is connected to one end of the liquid holding portion, a liquid storing portion which is larger in flow passage cross-sectional area than the liquid holding portion, and is connected to the other end of the liquid holding portion, and a gas feed section for feeding the pressurized gas into the liquid storing portion. The apparatus further includes at least one of first fault detection section for detecting a fault of the liquid pouring section and second fault detection section for detecting a fault of the gas feed section.

    摘要翻译: 在液体供给装置中,保持在液体保持部中的液体通过加压气体被推出到外部。 该装置包括:用于将预定量的液体注入液体保持部分的中间部分的液体注入部分,液体排出部分,其包括比液体孔部分更小的流动通道横截面积的薄管,并且连接 在液体保持部的一端,具有比液体保持部在流路截面积大的液体收纳部,与液体保持部的另一端连接的气体供给部, 加压气体进入液体储存部分。 该装置还包括用于检测液体浇注部分的故障的第一故障检测部分和用于检测气体供给部分的故障的第二故障检测部分中的至少一个。