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

Laminar and Turbulent Flow01:07

Laminar and Turbulent Flow

11.1K
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...
11.1K
Turbulent Flow01:24

Turbulent Flow

727
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...
727
Turbulent Flow: Problem Solving01:09

Turbulent Flow: Problem Solving

412
Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures enhance...
412
Psychodynamic Perspectives on Personality01:27

Psychodynamic Perspectives on Personality

1.6K
The psychodynamic perspective in psychology asserts that most personality functions operate unconsciously, outside of awareness. This means that the motives and emotions driving behavior often remain hidden, automatically buried in the unconscious mind as a defense mechanism to shield us from psychological distress. According to this theory, the unconscious mind contains thoughts, memories, and emotions that are too disturbing to face directly.
Psychodynamic theorists argue that unconscious...
1.6K
Social Cognitive Perspective on Personality01:30

Social Cognitive Perspective on Personality

1.0K
Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
1.0K
Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

375
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
375

You might also read

Related Articles

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

Sort by
Same author

Turbulence without Walls: Whither the Zeroth Law of Turbulence?

Physical review letters·2025
Same author

Hierarchical network of thermal plumes and their dynamics in turbulent Rayleigh-Bénard convection.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Bounded dissipation law and profiles of turbulent velocity moments in wall flows.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Phenomenology of transition to quantum turbulence in flows of superfluid helium.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Hybrid quantum algorithms for flow problems.

Proceedings of the National Academy of Sciences of the United States of America·2023
Same author

Saturation and Multifractality of Lagrangian and Eulerian Scaling Exponents in Three-Dimensional Turbulence.

Physical review letters·2023
Same journal

Tau protein as a regulator of mitochondrial function and dynamics.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

A scalable, dividing cell model for the robust propagation and quantification of human sporadic Creutzfeldt-Jakob disease prions.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Epigenetic regulation of mesenchymal BMP signaling directs postnatal organ innervation.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Single-shot wide-field biochemical imaging at 1 kHz frame rate.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Morphogenesis and topological evolution of a frustrated nematic liquid crystal under confinement.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

B cell-intrinsic CXCR3 drives efficient generation of ectopic pulmonary germinal center responses to influenza A virus infection.

Proceedings of the National Academy of Sciences of the United States of America·2026
See all related articles

Related Experiment Video

Updated: Feb 1, 2026

BioMEMS and Cellular Biology: Perspectives and Applications
16:30

BioMEMS and Cellular Biology: Perspectives and Applications

Published on: October 1, 2007

10.2K

Turbulent mixing: A perspective.

Katepalli R Sreenivasan1

  • 1School of Mathematics, Institute for Advanced Study, Princeton, NJ 08540 katepalli.sreenivasan@nyu.edu.

Proceedings of the National Academy of Sciences of the United States of America
|December 15, 2018
PubMed
Summary
This summary is machine-generated.

This study explores passive scalar turbulent mixing, focusing on its post-mixing state. We examine how flow Reynolds and Schmidt numbers influence mixing, highlighting challenges and fundamental physics.

Keywords:
anomalous featuresmodel studiesramp modelturbulent mixinguniversal features

More Related Videos

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.3K
Author Spotlight: Enhancing Lipid Nanoparticle Formation Through Turbulent Mixing in Confined Geometries
08:10

Author Spotlight: Enhancing Lipid Nanoparticle Formation Through Turbulent Mixing in Confined Geometries

Published on: August 23, 2024

6.0K

Related Experiment Videos

Last Updated: Feb 1, 2026

BioMEMS and Cellular Biology: Perspectives and Applications
16:30

BioMEMS and Cellular Biology: Perspectives and Applications

Published on: October 1, 2007

10.2K
Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.3K
Author Spotlight: Enhancing Lipid Nanoparticle Formation Through Turbulent Mixing in Confined Geometries
08:10

Author Spotlight: Enhancing Lipid Nanoparticle Formation Through Turbulent Mixing in Confined Geometries

Published on: August 23, 2024

6.0K

Area of Science:

  • Fluid Dynamics
  • Turbulence Research
  • Chemical Engineering

Background:

  • Mixing is crucial in daily life, ecology, and technology.
  • Turbulent flow significantly impacts mixing, yet its mechanisms are less understood than smooth flows.
  • Passive scalar mixing, where the substance doesn't affect the flow, is a fundamental model.

Purpose of the Study:

  • To investigate the post-mixing state of passive scalar turbulent mixing.
  • To analyze the influence of flow Reynolds number and scalar Schmidt number on mixing.
  • To elucidate the fundamental physics and challenges in quantifying turbulent mixing.

Main Methods:

  • Focus on the continuum point of view for mixing completion.
  • Analysis of advection by underlying flow at various scales.
  • Examination of passive scalar behavior within turbulent flows.

Main Results:

  • The post-mixing state depends on flow Reynolds and Schmidt numbers.
  • Identified fundamental aspects making quantitative analysis of turbulent mixing difficult.
  • Summarized ideas and model studies for appreciating turbulent mixing physics.

Conclusions:

  • Turbulent mixing is complex, with universal and anomalous features.
  • Understanding passive scalar mixing provides insights into broader mixing phenomena.
  • Further research is needed to quantitatively address turbulent mixing challenges.