提高水分系统的水质弹性:一个压力驱动的模型,用于优化冰泥采集战略的压力驱动模型
Jiamin Hu1, David Fernandes Del Pozo2, Saba Daneshgar3
1College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; BIOMATH, Department of Data Analysis and Mathematical Modelling, Ghent University, Coupure Links 653, Ghent 9000, Belgium.
Water research
|September 8, 2025
概括
这项研究提出了使用冰泥清洗管道的新模型,改善了水质的维护. 它将清洁间隔优化到大约24个月,提高水分网的弹性.
科学领域:
- 环境工程 环境工程
- 水资源管理 水资源管理
- 流体动力学 流体动力学
背景情况:
- 管道清洁对于水质和分布网络中的公共卫生至关重要.
- 冰泥是有效的,但缺乏准确的有效量化和优化维护计划.
- 目前的方法很难客观地评估清洁性能,并确定最佳间隔.
研究的目的:
- 开发一个定量框架来评估冰泥管道清洗效率.
- 建立一个压力驱动的墙壁材料去除模型,与现场数据校准.
- 优化管道维护间隔,以提高水质弹性.
主要方法:
- 开发了一种压力驱动的墙壁材料去除模型.
- 使用现场测量的度和导电率数据对模型进行校准.
- 利用计算流体动力学 (CFD) 模拟来描述剪切应力分布.
- 通过两个真实世界的案例研究来验证模型.
主要成果:
- 该模型通过清洗后的剪切阻力准确评估清洗效率.
- 考虑到运营成本,确定了大约24个月的最佳清洁间隔.
- 优化的清洗策略 (例如,增加冰泥体积,速度) 可将维护间隔延长至12个月.
结论:
- 该研究为系统管道维护提供了一个强大的定量框架.
- 结果为改善市政网络的水质弹性提供了关键的见解.
- 开发的模型可以客观地评估清洁性能和优化维护计划.
相关概念视频
01:21Multiple 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...
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
1.2K
01:30Typical Model Studies
620
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
620
01:21Design Example: Creating a Hydraulic Model of a Dam Spillway
689
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
689
01:14Design Example: Managing Concrete Workability
302
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
302
01:11Design Example: Forces in Sluice Gate
2.8K
In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
Key variables in...
2.8K
01:26Regulation of Water Output
2.0K
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
2.0K