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相关概念视频

Multiple Pipe Systems01:21

Multiple Pipe Systems

1.2K
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
1.2K
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

329
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
329
Design Example: Designing a Residential Plumbing System01:25

Design Example: Designing a Residential Plumbing System

1.1K
The design of residential plumbing systems requires carefully evaluating water demand, flow rates, and pressure dynamics to ensure both efficiency and reliability. The nature of water flow within pipes is defined by its Reynolds number, which classifies flow as either laminar (smooth) or turbulent.
1.1K
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

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The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
584
Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

752
Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
752
Optimization Problems01:26

Optimization Problems

8
Optimization problems often involve identifying maximum or minimum values under specific constraints. A well-known example is determining the longest horizontal pipe that can be moved around a right-angled corner, where a 3-meter-wide hallway meets a 2-meter-wide hallway. This scenario, common in architectural design and industrial transport, can be understood conceptually through geometric and trigonometric reasoning.To visualize the problem, consider the pipe as a straight line that touches...
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相关实验视频

Updated: Jan 14, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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多目标优化框架,以优先考虑水分系统中主要服务线路的更换.

Matthew Frankel1, Ahmed A Abokifa2, Lina Sela1

  • 1Fariborz Maseeh Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, 301 East Dean Keeton St, Austin, 78712, TX, USA.

Journal of environmental management
|October 18, 2025
PubMed
概括

水利公司必须更换服务线 (LSL),以减少暴露. 一个新的框架有助于根据水平,脆弱性和位置优先考虑替代品,确保合规性和实用性目标.

关键词:
饮用水的质量 饮用水的质量引领服务线路的更换多目标决策框架 多目标决策框架

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Watershed Planning within a Quantitative Scenario Analysis Framework
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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

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相关实验视频

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11:53

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科学领域:

  • 环境工程 环境工程
  • 公共卫生 公共卫生
  • 水资源管理 水资源管理

背景情况:

  • 替换服务线 (LSL) 对于减少饮用水中的至关重要.
  • 美国的"与铜规则"要求在10年内取代LSL,优先考虑弱势群体.
  • 水利公司在平衡各种替代优先事项和监管合规方面面临着挑战.

研究的目的:

  • 提出一个多目标优化决策框架,以制定符合标准的LSL替换计划.
  • 与监管要求一起纳入公用事业特定目标.
  • 为了能够评估竞争优先事项之间的权衡,如水平,社会经济脆弱性和地理位置.

主要方法:

  • 开发了一个多目标优化决策框架.
  • 创建了一套评估权衡的策略.
  • 应用框架使用来自密歇根州弗林特的公开数据.

主要成果:

  • 该框架产生了一系列用于LSL替代的策略.
  • 它可以比较不同替代优先级之间的权衡.
  • 使用来自密歇根州弗林特的数据证明了应用.

结论:

  • 拟议的框架是一般的,灵活的,并且可以适应特定的公用事业条件.
  • 它支持制定合规和定制的LSL替代策略.
  • 提供数据驱动工具的基础,以帮助面临监管压力的水利公司.