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.

Laminar and Turbulent Flow

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...

Couette Flow

Couette Flow

Couette flow represents the flow of fluid between two parallel plates, with one plate fixed and the other moving with a constant velocity. This configuration allows for a simplified analysis using the Navier-Stokes equations, which govern fluid motion under conditions of viscosity and incompressibility. For Couette flow, the assumptions include a steady, laminar, incompressible flow with a zero-pressure gradient in the flow direction. This flow type is beneficial for understanding shear-driven...

Distribution of Molecular Speeds

Distribution of Molecular Speeds

The motion of molecules in a gas is random in magnitude and direction for individual molecules, but a gas of many molecules has a predictable distribution of molecular speeds. This predictable distribution of molecular speeds is known as the Maxwell-Boltzmann distribution. The distribution of molecular speeds in liquids is comparable to that of gases but not identical and can help to understand the phenomenon of the boiling and vapor pressure of a liquid. Consider that a molecule requires a...

Mechanisms of Heat Transfer II

Mechanisms of Heat Transfer II

In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...

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,...

You might also read

Related Articles

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

Sort by

Same author

Optimal trajectories for Bayesian olfactory search in turbulent flows: The low information limit and beyond.

Physical review fluids·2025

Same author

Synthetic Lagrangian turbulence by generative diffusion models.

Nature machine intelligence·2025

Same author

Search for Light Dark Matter in Low-Energy Ionization Signals from XENONnT.

Physical review letters·2025

Same author

First Search for Light Dark Matter in the Neutrino Fog with XENONnT.

Physical review letters·2025

Same author

First Indication of Solar ^{8}B Neutrinos via Coherent Elastic Neutrino-Nucleus Scattering with XENONnT.

Physical review letters·2024

Same author

The XENONnT dark matter experiment.

The European physical journal. C, Particles and fields·2024

Search research articles

Related Experiment Video

Updated: May 23, 2026

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

Convection in multiphase fluid flows using lattice Boltzmann methods.

L Biferale¹, P Perlekar, M Sbragaglia

¹Department of Physics and INFN, University of Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy.

Physical Review Letters

|April 3, 2012

Summary

High-resolution simulations reveal boiling multiphase flows enhance heat transfer and create asymmetric temperature profiles due to nucleating bubbles. These bubbles significantly alter fluid dynamics, leading to non-Gaussian distributions in velocity and temperature fields.

More Related Videos

Optimization of An Air-Based Heat Management System for Dusty Particulate Matter-Covered Lithium-Ion Battery Packs

Optimization of An Air-Based Heat Management System for Dusty Particulate Matter-Covered Lithium-Ion Battery Packs

Published on: November 3, 2023

Related Experiment Videos

Last Updated: May 23, 2026

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

Optimization of An Air-Based Heat Management System for Dusty Particulate Matter-Covered Lithium-Ion Battery Packs

Optimization of An Air-Based Heat Management System for Dusty Particulate Matter-Covered Lithium-Ion Battery Packs

Published on: November 3, 2023

Area of Science:

Multiphase flow physics
Computational fluid dynamics
Heat transfer phenomena

Background:

Convection is crucial in many natural and industrial processes.
Understanding boiling multiphase flows requires advanced simulation techniques.
Phase coexistence significantly impacts flow dynamics and heat transfer.

Purpose of the Study:

To investigate the effects of nucleating bubbles on convection in multiphase flows.
To analyze the development of non-Oberbeck-Boussinesq effects during boiling.
To quantify the impact of phase coexistence on heat transfer and flow field statistics.

Main Methods:

High-resolution numerical simulations using a novel lattice Boltzmann method algorithm.
Systematic variation of phase diagram properties.
Comparison of simulations with and without phase coexistence at Rayleigh number Ra~10^7.

Main Results:

Nucleating bubbles induce non-Oberbeck-Boussinesq effects and asymmetric mean temperature profiles.
Heat transfer and its fluctuations are enhanced in the presence of bubbles.
Small-scale velocity and temperature fields exhibit non-Gaussian profiles due to bubble presence.

Conclusions:

Phase coexistence in boiling flows fundamentally alters convective heat transfer and flow dynamics.
The lattice Boltzmann method provides a robust tool for simulating complex multiphase boiling phenomena.
Numerical simulations highlight the significant impact of bubble dynamics on macroscopic and microscopic flow properties.