使用机器学习准确预测压力损失,用于输送乳液的管道运输
Noor Hafsa1, Sayeed Rushd2, Hadeel Alzoubi1
1Department of Computer Science, College of Computer Science and Information Technology, King Faisal University, P.O. Box 400, Al-Ahsa 31982, Saudi Arabia.
Heliyon
|January 15, 2024
概括
预测乳液运输中的摩擦压力损失是一项挑战. 使用机器学习 (ML) 模型的人工智能 (AI) 准确地估计了这些损失,流体速度,质量流速和管道直径是关键预测因素.
科学领域:
- 管道工程 管道工程 管道工程
- 流体动力学 流体动力学
- 人工智能的人工智能
背景情况:
- 准确预测摩擦压力损失对于设计可靠的乳液输送系统至关重要.
- 当前的方法往往缺乏所需的信心和可靠性.
- 人工智能 (AI) 和机器学习 (ML) 为提高预测准确性提供了先进的工具.
研究的目的:
- 分析和比较六种传统和基于树的ML算法的性能,用于预测乳液流中的摩擦压力损失.
- 确定影响压力损失预测的最重要的输入变量.
- 开发和验证一个集成模型,以获得卓越的预测准确性.
主要方法:
- 采用了六种机器学习算法,包括基于树的模型.
- 使用RFECV和统计分析进行了特征重要性研究,以确定关键预测因素.
- 通过结合表现最好的三种ML模型,开发了一个集体回归器.
- 使用R平方,AUC-ROC,RMSE,MAE和CV_MSE指标验证的模型性能.
主要成果:
- 流体速度,质流率和管道直径被确定为摩擦压力损失的前三大预测因素.
- 整体回归器实现了99.7%的R平方值和98%的AUC-ROC得分.
- 整体模型在RMSE (6.6%),MAE (11.1%) 和CV_MSE (12.75%) 中显著改善,与最佳基底回归器相比.
结论:
- 基于人工智能的ML模型,特别是开发的集体回归器,提供了精确和可靠的摩擦压力损失估计.
- 这些发现强调了人工智能在解决管道工程方面的挑战方面的有效性.
- 确定的关键参数为未来的模型开发和系统设计提供了宝贵的见解.
相关概念视频
Major Losses in Pipes
1.1K
When a fluid flows through a pipe, it experiences energy losses due to frictional resistance along the pipe walls, known as major losses. These energy losses result in a pressure drop, which varies based on the flow conditions — whether laminar or turbulent — and the specific physical properties of the fluid and pipe.
Fluid flow can be classified as laminar or turbulent, primarily based on the Reynolds number. This dimensionless number reflects the relative influence of inertial to...
Fluid flow can be classified as laminar or turbulent, primarily based on the Reynolds number. This dimensionless number reflects the relative influence of inertial to...
1.1K
Minor Losses in Pipes
1.0K
In pipe systems, minor losses refer to energy losses arising from components such as valves, bends, fittings, expansions, and other features that disrupt the steady flow of fluid. These disturbances cause energy dissipation through turbulence and resistance, which engineers quantify to manage system efficiency effectively.
Valves play a significant role in generating minor losses by obstructing or redirecting the fluid flow. When a valve is closed or partially closed, it restricts the flow...
Valves play a significant role in generating minor losses by obstructing or redirecting the fluid flow. When a valve is closed or partially closed, it restricts the flow...
1.0K
Design Example: Flow of Oil Through Circular Pipes
129
Understanding fluid flow behavior through pipes is critical in fluid mechanics, especially in applications like oil transportation through pipelines. Hagen-Poiseuille's law provides an exact solution derived from the Navier-Stokes equations for steady, incompressible, and laminar flow within a circular pipe. Hagen-Poiseuille's law helps determine the necessary pressure drop across a pipeline section by determining parameters like pipe length, radius, oil viscosity, and the desired...
129
Single Pipe Systems
143
In pipe flow analysis, problems are typically categorized into three types — Type I, Type II, and Type III — based on the known parameters and the desired outcome. Each type of problem addresses specific engineering requirements using fluid properties, pipe characteristics, and operational conditions.
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
143
Pipe Flowrate Measurement: Problem Solving
545
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...
545
Application of the Linear Momentum Equation
76
The application of the linear momentum equation can be used to analyze the forces needed to hold a 180-degree pipe bend in place with flowing water. In this case, water flows through the bend with a constant cross-sectional area of 0.01 square meters and a flow velocity of 15 meters per second. The pressure at the entrance is 0.2 Megapascals and the pressure at the exit is 0.16 Megapascals.
The goal is to determine the force components in the x and y directions to hold the pipe in place. Since...
The goal is to determine the force components in the x and y directions to hold the pipe in place. Since...
76


