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相关概念视频

Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

43
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...
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Manipulation and Analysis01:21

Manipulation and Analysis

22
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
22
Multiple Pipe Systems01:21

Multiple Pipe Systems

518
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...
518
Turbulent Flow: Problem Solving01:09

Turbulent Flow: Problem Solving

98
Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
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Levels of Use of a GIS01:29

Levels of Use of a GIS

46
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
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Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

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Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
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使用地理空间分割方法优化大规模的CO2管道网络.

Moises Velasco-Lozano1, Zhiwei Ma1, Bailian Chen1

  • 1Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.

Journal of environmental management
|September 27, 2024
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概括
此摘要是机器生成的。

通过将大型盆地分为子盆地来优化碳捕获和储存 (CCS) 管道网络,大大降低了运输距离和成本. 这种新的地理空间方法提高了二氧化碳运输的效率,以缓解气候变化.

关键词:
二氧化碳) 管道.碳捕获和储存是碳捕获和储存的一种方式.地理空间盆地分裂大规模的部署部署.网络优化 网络优化

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科学领域:

  • 环境科学与工程环境科学与工程
  • 地理空间分析的研究.
  • 碳捕获和储存 (CCS) 是一种

背景情况:

  • 碳捕获和储存 (CCS) 基础设施对于减轻碳排放至关重要.
  • 传统的二氧化碳管道网络设计往往假定盆地中心的储存地点,可能导致低于最佳的,漫长的运输路线.
  • 地质储存形成的空间范围可以显著影响管道网络的整体长度和项目经济性.

研究的目的:

  • 开发和介绍一个新的地理空间分割框架,将大型二氧化碳储存盆地分为多个子盆地.
  • 优化二氧化碳管道网络路线,减少运输距离和相关成本.
  • 提高CCS项目部署建模和决策的现实性和效率.

主要方法:

  • 利用了具有不同石化物理性质和注射速率的水库模型来模拟压力羽毛的行为.
  • 根据压力干扰和边界延伸计算了每个盆地的最佳次区域数.
  • 应用K-means集群和Voronoi多边形算法来划分盆地并确定水槽坐标.

主要成果:

  • 在案例研究中,地理空间分割方法将管道网络总长度减少了13% (区域) 和10% (全国).
  • 与传统的盆地心模型相比,实现了25% (区域) 和17% (全国) 的成本降低.
  • 证明,最佳的水槽位置对二氧化碳输送管道的长度和成本产生了重大影响.

结论:

  • 开发的地理空间框架有效地将大型盆地划分为优化的二氧化碳储存子盆地.
  • 这种方法大大缩短了管道网络,降低了成本,提高了CCS项目的可行性.
  • 工作流程为CCS建模提供了更现实的基础,支持部署的知情决策.