Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Steady, Laminar Flow Between Parallel Plates

Steady, Laminar Flow Between Parallel Plates

Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.

Steady, Laminar Flow in Circular Tubes

Steady, Laminar Flow in Circular Tubes

Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...

Design Example: Creating a Hydraulic Model of a Dam Spillway

Design Example: Creating a Hydraulic Model of a Dam Spillway

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.

Steady Flow of a Fluid Stream

Steady Flow of a Fluid Stream

Consider a control volume, such as a pipe with solid boundaries, through which fluid flows and changes direction due to the impulse exerted by the resulting force from the pipe walls. In steady flow, the mass of fluid entering the control volume at a given time, t, with velocity v1, is equal to the mass leaving after infinitesimal time dt, with velocity v2.
During this process, the momentum of the fluid within the control volume remains constant over the time interval dt. By applying the...

Laminar Flow

Laminar Flow

Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:

Bewley Lattice Diagram

Bewley Lattice Diagram

The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

[Study on effect of coptidis rhizoma on red blood cells of normal mice and its antioxidant property].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica·2013

Same author

General framework to histogram-shifting-based reversible data hiding.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2013

Same author

The prevalences of Neisseria gonorrhoeae and Chlamydia trachomatis infections among female sex workers in China.

BMC public health·2013

Same author

[Study on allocation rules of common nutrients in Scutellaria baicalensis in different phenological periods by ICP-OES].

Guang pu xue yu guang pu fen xi = Guang pu·2013

Same author

Sesterterpenoids.

Natural product reports·2013

Same author

14-3-3 sigma is a useful immunohistochemical marker for diagnosing ovarian granulosa cell tumors and steroid cell tumors.

International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists·2013

Search research articles

Related Experiment Video

Updated: Jan 19, 2026

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Published on: May 14, 2016

Lattice Boltzmann Method Modeling of Flow Structures and Level Fluctuations in a Continuous Casting Process.

Peng Zhao^1,2, Bin Yang¹, Rongxun Piao²

¹National Engineering Laboratory for Vacuum Metallurgy, Kunming University of Science and Technology, Kunming 650093, P. R. China.

|September 21, 2019

Summary

Simulations using the Lattice Boltzmann Method (LBM) reveal that oscillating jets from the submerged entry nozzle (SEN) significantly impact mold flow and free surface fluctuations. Increased casting speed amplifies fluctuations, while greater SEN depth reduces them.

More Related Videos

Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption

Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption

Published on: November 3, 2023

Surrogate Model Development for Digital Experiments in Welding

Surrogate Model Development for Digital Experiments in Welding

Published on: March 28, 2025

Related Experiment Videos

Last Updated: Jan 19, 2026

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Published on: May 14, 2016

Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption

Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption

Published on: November 3, 2023

Surrogate Model Development for Digital Experiments in Welding

Surrogate Model Development for Digital Experiments in Welding

Published on: March 28, 2025

Area of Science:

Fluid dynamics
Materials processing

Background:

Mold flow and free surface fluctuations are critical in continuous casting.
Understanding turbulent flow dynamics is essential for process optimization.

Purpose of the Study:

To simulate and analyze transient flow and free surface fluctuations in a continuous casting mold.
To investigate the role of jet behavior and coherent structures on mold dynamics.

Main Methods:

Three-dimensional Lattice Boltzmann Method (LBM) for transient flow simulation.
Verification of the LBM model using literature data.
Analysis of coherent structures and free surface behavior.

Main Results:

Oscillating jets from the submerged entry nozzle (SEN) are key to turbulent flow development.
Coherent vortex rings and ribs form during jet diffusion, with asymmetrical vortex behavior at mold walls.
Asymmetric flow directly influences free surface fluctuations, causing alternating peak and trough patterns.

Conclusions:

Jet behavior from the SEN is a primary driver of mold turbulence and surface instability.
Casting speed and SEN immersion depth are critical parameters influencing free surface fluctuation magnitude and velocity.
The study quantifies the impact of operational parameters on mold fluid dynamics.