Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Boundary Layer Characteristics01:18

Boundary Layer Characteristics

52
When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
52
Wind Turbine Machine Models01:24

Wind Turbine Machine Models

100
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
100
General External Flow Characteristics01:26

General External Flow Characteristics

96
The study of external flow is essential for creating structures and objects that interact efficiently and safely with moving fluids, such as air or water. When a body is immersed in a flowing fluid, it experiences two primary forces: drag, which opposes motion along the flow direction, and lift, which acts perpendicular to the flow. The shape, size, and orientation of the object influence these forces.Streamlined and Blunt Bodies in External FlowObjects in fluid flow are classified as...
96
Design Example: Calculating Safe Diameter for Wind-Exposed Disc01:17

Design Example: Calculating Safe Diameter for Wind-Exposed Disc

38
Assessing safety in wind-exposed installations is crucial to preventing potential failures. This example explores the calculation and design adjustments needed to mount a circular disc on a building facade, where wind forces are a primary concern. A 4-meter diameter disc was initially designed as an aesthetic feature facing winds at a velocity of 25 meters per second, with an air density of 1.25 kilograms per cubic meter. Given these conditions, the drag force on the disc was determined using...
38
Laminar and Turbulent Flow01:07

Laminar and Turbulent Flow

8.4K
Fluid dynamics is the study of fluids in motion. Velocity vectors are often used to illustrate fluid motion in applications like meteorology. For example, wind—the fluid motion of air in the atmosphere—can be represented by vectors indicating the speed and direction of the wind at any given point on a map. Another method for representing fluid motion is a streamline. A streamline represents the path of a small volume of fluid as it flows. When the flow pattern changes with time, the...
8.4K
Plane Potential Flows01:23

Plane Potential Flows

365
Plane potential flows simplify fluid motion by assuming the fluid to be irrotational and incompressible. These characteristics allow these flows to be described by a velocity potential function, ϕ, representing the flow speed in a given direction, and a stream function, ψ, that visualizes the flow path, both governed by Laplace's equation. These parameters help in estimating flow patterns, velocity distributions, and pressure fields around various hydraulic structures.
Uniform...
365

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Kinetic and Thermodynamic Analysis of Algal Lipid Extraction and Physicochemical Characterization for Biodiesel Production.

ACS omega·2026
Same author

Synergistic Valorization of <i>Hevea brasiliensis</i>-Derived Spent Mushroom Substrate and <i>Elaeis guineensis</i> Fibers for Energy-Efficient Biocomposite Thermal Insulation Panels.

Biomimetics (Basel, Switzerland)·2026
Same author

Fractional dynamics and optical soliton propagation in mono-mode fibers via the Fokas system.

Scientific reports·2026
Same author

Assessment of UHF Frequency Range for Failure Classification in Power Transformers.

Sensors (Basel, Switzerland)·2024
Same author

Biodiesel production and characteristics from waste frying oils: sources, challenges, and circular economic perspective.

Environmental science and pollution research international·2024
Same author

The influence of different downstream plate length towards the flow-induced vibration on a square cylinder.

Scientific reports·2023
Same journal

Peripheral B-cell receptor repertoire predicts immune-related adverse events following immune checkpoint inhibitor therapy in advanced renal cell carcinoma.

Scientific reports·2026
Same journal

Effects of black soldier fly (Hermetia illucens L.) larvae zoocompost on the mineral element content of blue honeysuckle berries.

Scientific reports·2026
Same journal

Investigation on absorption refrigeration performance of R1243zf with imidazolium ionic liquid as the working pairs.

Scientific reports·2026
Same journal

DeepTriage-CN: integrating clinical text with vital signs for emergency department admission prediction in an aging population.

Scientific reports·2026
Same journal

Gold nanoparticles as dual-action antiviral agents: disruption of SARS-CoV-2 viral envelopes and RNA integrity.

Scientific reports·2026
Same journal

Comparison of capillary microsampling and venous blood for multi-pathogen serosurveillance.

Scientific reports·2026
查看所有相关文章

相关实验视频

Updated: Jun 3, 2025

Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods
09:17

Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods

Published on: April 23, 2018

10.6K

根据使用风洞实验的代表性几何模型,在树冠层内垂直的风形状分布.

S A Zaki1, Y M H'ng2, A F Mohammad2

  • 1Department of Mechanical Precision Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra , 54100, Kuala Lumpur, Malaysia. sheikh.kl@utm.my.

Scientific reports
|January 8, 2025
PubMed
概括
此摘要是机器生成的。

建筑布局和风向显著影响热带城市校园内的风速分布. 这项研究分析了高层建筑周围的风流,揭示了影响风模式的关键因素.

关键词:
覆盖层是天花板层.现实的几何模型模型热带气候是一个热带气候.风形状分布的分布方式风洞实验是一项风洞实验.

更多相关视频

Wind Tunnel Experiments to Study Chaparral Crown Fires
09:27

Wind Tunnel Experiments to Study Chaparral Crown Fires

Published on: November 14, 2017

9.6K
Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.7K

相关实验视频

Last Updated: Jun 3, 2025

Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods
09:17

Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods

Published on: April 23, 2018

10.6K
Wind Tunnel Experiments to Study Chaparral Crown Fires
09:27

Wind Tunnel Experiments to Study Chaparral Crown Fires

Published on: November 14, 2017

9.6K
Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.7K

科学领域:

  • 城市气候学 城市气候学
  • 环境工程 环境工程
  • 流体动力学 流体动力学

背景情况:

  • 城市环境,特别是热带校园,由于高层建筑物而经历复杂的风流模式.
  • 了解风速分布对于行人舒适,建筑设计和城市地区空气质量至关重要.

研究的目的:

  • 调查热带城市校园的树冠高度内的平均和流风速分布.
  • 分析高层建筑及其布局对垂直风形状的影响.
  • 检查风向和建筑几何学对风流动力学的影响.

主要方法:

  • 风洞实验使用一个热带城市校园的代表性几何模型进行.
  • 在两个特定的高层建筑物 (Menara Razak和Residensi Tower) 周围分析了垂直风势.
  • 收集和分析了不同风向 (22.5°和202.5°) 的平均风速 (u),根平均平方 (u_rms) 和斜率 (SK) 的数据.

主要成果:

  • 发现建筑的布局显著影响了校园内的风速分布.
  • 靠近风流方向影响了风流与建筑物的相互作用.
  • 目标建筑的高度 (H) 决定了流影响的程度,影响到Menara Razak的H和Residensi Tower的1.5H.

结论:

  • 城市校园中的建筑物布局是决定风速在树冠水平分布的关键因素.
  • 风向对风如何与城市结构相互作用起着重要作用.
  • 建筑高度会影响流效应的空间范围,影响周围的微气候.