Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Turbulent Flow01:24

Turbulent Flow

Turbulent flow is characterized by unpredictable fluctuations in velocity and pressure, which result in a chaotic fluid movement distinct from the orderly patterns of laminar flow. While laminar flow is governed by smooth, parallel layers with minimal mixing, turbulent flow exhibits highly irregular, three-dimensional patterns. This behavior arises due to instabilities in the fluid's velocity profile, and amplifies as the flow velocity increases. Minor disturbances, known as turbulent spots,...
Laminar and Turbulent Flow01:07

Laminar and Turbulent Flow

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 streamlines...
Laminar Flow01:27

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:
Steady, Laminar Flow Between Parallel Plates01:17

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.
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
Magnetic Fields01:27

Magnetic Fields

A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
A magnetic field is defined by the force that a charged particle experiences...

You might also read

Related Articles

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

Sort by
Same author

Beyond the Beam: Multimodal Imaging and Surveillance of Post-Radiotherapy Changes in the Breast.

Life (Basel, Switzerland)·2026
Same author

Radiomic Characterization of Adrenal Incidentalomas on NECT: Retrospective Exploratory Study and Systematic Review.

Journal of imaging·2026
Same author

Non-invasive ultrasound assessment of chronic liver disease: current position and future directions for a "one-stop" liver ultrasound approach.

Insights into imaging·2026
Same author

MRI for Acute Pelvic Pain in Pediatric Females After Inconclusive Ultrasound: Diagnostic Performance of Non-Contrast-Enhanced and Contrast-Enhanced Protocols.

Diagnostics (Basel, Switzerland)·2026
Same author

A visual imagery paradigm for BCI strategies using imagined flickering patterns.

Scientific reports·2026
Same author

Association Between ADA (Age-D-dimer-Albumin) Score and Chest CT Severity Score in COVID-19 Pneumonia.

Journal of personalized medicine·2026

Related Experiment Video

Updated: Jun 8, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability
06:42

Magnetically Induced Rotating Rayleigh-Taylor Instability

Published on: March 3, 2017

Low-frequency turbulence in a linear magnetized plasma.

B N Rogers1, Paolo Ricci

  • 1Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire 03755, USA. barrett.rogers@dartmouth.edu

Physical Review Letters
|September 28, 2010
PubMed
Summary

Three-dimensional simulations reveal plasma turbulence in a linear device. The Kelvin-Helmholtz instability drives plasma transport across magnetic fields, leading to simple scaling laws for plasma profiles.

More Related Videos

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
07:17

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry

Published on: August 1, 2017

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
11:20

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses

Published on: July 2, 2012

Related Experiment Videos

Last Updated: Jun 8, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability
06:42

Magnetically Induced Rotating Rayleigh-Taylor Instability

Published on: March 3, 2017

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
07:17

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry

Published on: August 1, 2017

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
11:20

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses

Published on: July 2, 2012

Area of Science:

  • Plasma physics
  • Magnetohydrodynamics
  • Computational physics

Background:

  • Understanding plasma turbulence is crucial for fusion energy and astrophysical plasmas.
  • Linear plasma devices provide a controlled environment to study fundamental plasma phenomena.
  • Previous studies often relied on simplified models or 2D simulations.

Purpose of the Study:

  • To investigate plasma turbulence in a linear device using advanced 3D global two-fluid simulations.
  • To identify and characterize the dominant instabilities driving plasma transport.
  • To develop scaling laws for plasma profiles based on simulation results.

Main Methods:

  • Utilized three-dimensional global two-fluid simulations.
  • Focused on plasma parameters relevant to the Large Plasma Device.
  • Analyzed the behavior of instabilities including Kelvin-Helmholtz, sheath-driven, and resistive drift waves.

Main Results:

  • Identified three key instabilities: Kelvin-Helmholtz, sheath-driven, and resistive drift wave.
  • Demonstrated that the Kelvin-Helmholtz instability is the primary driver of cross-field plasma transport.
  • Derived simple scaling laws that accurately describe the resulting plasma profiles.

Conclusions:

  • Global two-fluid simulations provide valuable insights into plasma turbulence in linear devices.
  • The Kelvin-Helmholtz instability plays a dominant role in turbulent transport.
  • The derived scaling laws can aid in the design and interpretation of experiments on devices like the Large Plasma Device.