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相关概念视频

Typical Model Studies01:30

Typical Model Studies

442
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.
442
Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

628
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
628
Rapidly Varying Flow01:24

Rapidly Varying Flow

141
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
141
Laminar Flow: Problem Solving01:24

Laminar Flow: Problem Solving

260
Laminar flow occurs when a fluid moves smoothly in parallel layers with minimal mixing and turbulence. In fluid mechanics, ensuring laminar flow within a pipe is essential for precise control of flow characteristics, especially in engineering applications. The key factor in determining whether flow remains laminar is the Reynolds number, a dimensionless quantity that depends on the fluid's velocity, density, viscosity, and the pipe's diameter. A Reynolds number of 2100 or lower...
260
Design Example: Flow of Oil Through Circular Pipes01:25

Design Example: Flow of Oil Through Circular Pipes

185
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...
185
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

310
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.
310

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相关实验视频

Updated: Sep 14, 2025

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

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基于软件的模拟,用于管道优势流量转移器的程序前评估:方法和验证研究.

João Victor Sanders1, Marion Oliver1, Laura Obradó2

  • 1Advocate Health, Brain and Spine Institute, Chicago, Illinois, USA.

Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences
|July 23, 2025
PubMed
概括
此摘要是机器生成的。

安克拉斯软件准确地预测了内动脉瘤的流量转移器部署. 该工具有助于精确大小,改善PipelineTM Vantage栓塞装置与盾牌技术TM的治疗结果.

关键词:
流量转移器是一个流量转移器.这是内血管内血管的内血管.内动脉瘤 内动脉瘤模拟模拟是指一个模拟模拟.

更多相关视频

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
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Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

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Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
09:37

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

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相关实验视频

Last Updated: Sep 14, 2025

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

11.7K
Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
11:12

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

Published on: October 17, 2013

13.9K
Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
09:37

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

Published on: August 26, 2019

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科学领域:

  • 神经外科 神经外科
  • 医疗器械技术 医疗器械技术
  • 放射学 放射学是一门学科.

背景情况:

  • 流量转移器 (FD) 在治疗内动脉瘤 (IA) 方面至关重要.
  • 准确的FD大小测量对于成功的动脉瘤封闭和并发症预防至关重要.
  • 安基拉斯软件为FD提供设备特定的尺寸.

研究的目的:

  • 评估Ankyras软件在预测部署PipelineTM Vantage 栓塞装置与盾牌技术TM (PVST) 的性能.

主要方法:

  • 分析了使用PVST治疗的10名患者的3D旋转血管图像 (3DRA).
  • 使用Ankyras软件模拟动脉瘤并模拟FD大小.
  • 将模拟的FD长度和扩展与实际部署后的测量进行比较.

主要成果:

  • 安克拉斯软件在模拟的飞行器长度上实现了92.05%的平均精度,超过了供应商标记的长度精度 (78.71%).
  • 在模拟和真实FD长度之间观察到强烈的相关性 (R2=0.9818).
  • 预测FD扩张的平均准确率为86.28%.

结论:

  • 安克拉斯软件展示了作为一个可靠的PVST大小测量工具的潜力.
  • 在扩张预测准确度的进一步改进可以提高模拟精度.