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相关概念视频

Pipe Flowrate Measurement: Problem Solving01:28

Pipe Flowrate Measurement: Problem Solving

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A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is achieved...
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Uniform Depth Channel Flow: Problem Solving01:18

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To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
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在使用放射性粒子跟踪和深度学习的双相系统中确定流速.

Roos Sophia de Freitas Dam1, William Luna Salgado1, Eddie Jesús Avilán Puertas1

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概括

本研究介绍了一种非侵入性的放射性颗粒追踪方法,用于精确测量管道中的石油流量. 该技术准确地预测流体分数和速度,最大限度地降低运营成本和系统停机时间.

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深度神经网络是一个神经网络.流量 流量 流量 流量 流量玛密度测量 (Gamma densitometry) 是一种测量方法,用于测量玛密度.在MCNP6代码中.表面速度是表面的速度.体积分数的体积分数是什么

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科学领域:

  • 核工程 核工程是指核工程.
  • 石油工程是石油工程中的一个.
  • 计算流体动力学的流体动力学.

背景情况:

  • 精确的流量测定对于石油行业的运营效率至关重要.
  • 传统的流量计通常需要直接接触流体,导致维护问题和成本增加.
  • 需要使用非侵入性方法来克服传统流量计的局限性.

研究的目的:

  • 建议在双相系统中采用最少干扰的方法来确定流量.
  • 使用放射性粒子跟踪来预测流体体积分和计算表面速度.
  • 为了降低与传统流量计相关的运营成本和系统关闭.

主要方法:

  • 使用密封的-137源来追踪放射性粒子.
  • 在PVC管道中模拟了分层的盐水-油流,使用MCNP6蒙特卡罗代码.
  • 使用深度神经网络进行体积分数预测和速度计算的交叉相关性.

主要成果:

  • 实现了液体体积分的准确预测.
  • 使用油相信号交叉相关的时间延迟计算表面速度.
  • 与理论值相比,油流率的最大平均绝对百分比误差 (MAPE) 为2.24%.

结论:

  • 放射性颗粒追踪技术为石油流速的确定提供了一个可行的,最小的侵入性解决方案.
  • 深度神经网络和交叉相关性有效地处理了放射性信号,以进行准确的流量分析.
  • 拟议的方法显示出高精度和降低石油行业成本的潜力.