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Updated: Jun 5, 2025

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
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Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole

Published on: August 26, 2019

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第四代管道TM 优势流转移:美国首次报告了安全性和可行性的经验

Ahmad Sweid1, Ahmad Chahine2, Stephanie Hage1

  • 1Department of Neurosurgery, University of Chicago, Chicago, IL, USA.

Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences
|December 5, 2024
PubMed
概括

在这个初始的美国系列中,PipelineTM Vantage设备在治疗内动脉瘤方面证明了安全和可行的使用. 没有发生手术期间的并发症,在复杂的破裂动脉瘤病例中发生了一次术后事件.

关键词:
动脉瘤是一个动脉瘤.血栓塞栓是什么意思 血栓塞栓是什么意思流量转移支架 支架 支架 支架

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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
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Rapidly Varying Flow

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Gradually Varying Flow01:29

Gradually Varying Flow

Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
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Underflow Gates

Underflow gates are vital for controlling water flow in irrigation canals. The three main types of underflow gates — vertical, radial, and drum gates — serve different purposes while ensuring effective flow management. Vertical gates move up and down, generating a free-flowing water jet; radial gates pivot to regulate the flow; and drum gates rotate for precise adjustments. The flow through these gates is influenced by downstream conditions, resulting in free or drowned outflow.Free and...
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Design Example: Flow of Oil Through Circular Pipes

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...
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