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    • 2. 发明申请
    • Method for calibrating a volumetric flow meter having an array of sensors
    • 用于校准具有传感器阵列的体积流量计的方法
    • US20070067116A1
    • 2007-03-22
    • US11603686
    • 2006-11-21
    • Paul RothmanDaniel GyslingDouglas LooseAlex Kravets
    • Paul RothmanDaniel GyslingDouglas LooseAlex Kravets
    • G01F23/00
    • G01F1/7082G01F1/363G01F1/712G01F1/74
    • A method and apparatus are provided for calibrating a flow meter having an array of sensors arranged in relation to a pipe that measures a flow rate of a fluid flowing in the pipe. The method features the step of calibrating the flow rate using a calibration correction function based on one or more parameters that characterize either the array of sensors, the pipe, the fluid flowing in the pipe, or some combination thereof. The calibration correction function depends on either a ratio t/D of the pipe wall thickness (t) and the pipe inner diameter (D); a ratio t/λ of the pipe wall thickness (t) and the eddie wavelength (λ) of the fluid; a Reynolds number (ρUD/μ) that characterizes the fluid flow in the pipe; a ratio Δx/D of the sensor spacing (Δx) and the pipe inner diameter (D); a ratio fΔx/Umeas of usable frequencies in relation to the sensor spacing (Δx) and the raw flow rate (Umeas); or some combination thereof. The apparatus takes the form of a flow meter having a calibration correction function module performing the aforementioned functionality.
    • 提供了一种用于校准具有相对于管道布置的传感器阵列的流量计的方法和装置,其测量流体在管道中流动的流体的流量。 该方法的特征在于使用基于表征传感器阵列,管道,在管道中流动的流体或其一些组合的一个或多个参数的校准校正功能来校准流量的步骤。 校准校正功能取决于管壁厚度(t)的比t / D和管内径(D); 管壁厚度(t)的比t /λ和流体的eddie波长(λ); 雷诺数(rhoUD / mu)表征管道中的流体流动; 传感器间距(Deltax)和管内径(D)的比值Deltax / D; 相对于传感器间隔(Deltax)和原始流量(U>>)的可用频率的比率fDeltax / U< / SUB> 或其某些组合。 该装置采用具有执行上述功能的校准校正功能模块的流量计的形式。
    • 7. 发明授权
    • Method for calibrating a volumetric flow meter having an array of sensors
    • 用于校准具有传感器阵列的体积流量计的方法
    • US07328113B2
    • 2008-02-05
    • US11603686
    • 2006-11-21
    • Paul RothmanDaniel L. GyslingDouglas H. LooseAlex Kravets
    • Paul RothmanDaniel L. GyslingDouglas H. LooseAlex Kravets
    • G01N11/00
    • G01F1/7082G01F1/363G01F1/712G01F1/74
    • A method and apparatus are provided for calibrating a flow meter having an array of sensors arranged in relation to a pipe that measures a flow rate of a fluid flowing in the pipe. The method features the step of calibrating the flow rate using a calibration correction function based on one or more parameters that characterize either the array of sensors, the pipe, the fluid flowing in the pipe, or some combination thereof. The calibration correction function depends on either a ratio t/D of the pipe wall thickness (t) and the pipe inner diameter (D); a ratio t/λ of the pipe wall thickness (t) and the eddie wavelength (λ) of the fluid; a Reynolds number (ρUD/μ) that characterizes the fluid flow in the pipe; a ratio Δx/D of the sensor spacing (Δx) and the pipe inner diameter (D); a ratio fΔx/Umeas of usable frequencies in relation to the sensor spacing (Δx) and the raw flow rate (Umeas); or some combination thereof. The apparatus takes the form of a flow meter having a calibration correction function module performing the aforementioned functionality.
    • 提供了一种用于校准具有相对于管道布置的传感器阵列的流量计的方法和装置,其测量流体在管道中流动的流体的流量。 该方法的特征在于使用基于表征传感器阵列,管道,在管道中流动的流体或其一些组合的一个或多个参数的校准校正功能来校准流量的步骤。 校准校正功能取决于管壁厚度(t)的比t / D和管内径(D); 管壁厚度(t)的比t /λ和流体的eddie波长(λ); 雷诺数(rhoUD / mu)表征管道中的流体流动; 传感器间距(Deltax)和管内径(D)的比值Deltax / D; 相对于传感器间隔(Deltax)和原始流量(U>>)的可用频率的比率fDeltax / U< / SUB> 或其某些组合。 该装置采用具有执行上述功能的校准校正功能模块的流量计的形式。
    • 10. 发明授权
    • Method for calibrating a volumetric flow meter having an array of sensors
    • 用于校准具有传感器阵列的体积流量计的方法
    • US07139667B2
    • 2006-11-21
    • US10720599
    • 2003-11-24
    • Paul RothmanDaniel L. GyslingDouglas H. LooseAlex Kravets
    • Paul RothmanDaniel L. GyslingDouglas H. LooseAlex Kravets
    • G01N11/00
    • G01F1/7082G01F1/363G01F1/712G01F1/74
    • A method and apparatus are provided for calibrating a flow meter having an array of sensors arranged in relation to a pipe that measures a flow rate of a fluid flowing in the pipe. The method features the step of calibrating the flow rate using a calibration correction function based on one or more parameters that characterize either the array of sensors, the pipe, the fluid flowing in the pipe, or some combination thereof. The calibration correction function depends on either a ratio t/D of the pipe wall thickness (t) and the pipe inner diameter (D); a ratio t/λ of the pipe wall thickness (t) and the eddie wavelength (λ) of the fluid; a Reynolds number (ρUD/μ) that characterizes the fluid flow in the pipe; a ratio Δx/D of the sensor spacing (Δx) and the pipe inner diameter (D); a ratio fΔx/Umeas of usable frequencies in relation to the sensor spacing (Δx) and the raw flow rate (Umeas); or some combination thereof. The apparatus takes the form of a flow meter having a calibration correction function module performing the aforementioned functionality.
    • 提供了一种用于校准具有相对于管道布置的传感器阵列的流量计的方法和装置,其测量流体在管道中流动的流体的流量。 该方法的特征在于使用基于表征传感器阵列,管道,在管道中流动的流体或其一些组合的一个或多个参数的校准校正功能来校准流量的步骤。 校准校正功能取决于管壁厚度(t)的比t / D和管内径(D); 管壁厚度(t)的比t /λ和流体的eddie波长(λ); 雷诺数(rhoUD / mu)表征管道中的流体流动; 传感器间距(Deltax)和管内径(D)的比值Deltax / D; 相对于传感器间隔(Deltax)和原始流量(U>>)的可用频率的比率fDeltax / U< / SUB> 或其某些组合。 该装置采用具有执行上述功能的校准校正功能模块的流量计的形式。