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

Types of Friction Problems01:27

Types of Friction Problems

1.0K
Friction is an essential concept in physics, engineering, and everyday life. It is the force that opposes the relative motion or tendency of such motion between two surfaces in contact. One of the most common types of friction encountered in various applications is dry friction. Dry friction problems can be broadly categorized into three types, each with unique characteristics and challenges.
The first type of dry friction problem involves situations where there is no apparent impending motion....
1.0K
Dry Friction01:30

Dry Friction

1.1K
Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
1.1K
Frictional Force01:07

Frictional Force

10.7K
When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
10.7K
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

1.1K
Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
1.1K
Static and Kinetic Frictional Force01:05

Static and Kinetic Frictional Force

26.4K
One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...
26.4K
Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

1.0K
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.
1.0K

You might also read

Related Articles

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

Sort by
Same author

Early Factors Related to Healthcare Utilization by Infection Status among Combat Injured.

Military medicine·2025
Same author

Provider Differences in Costs, Utilization, and Quality of Primary Care for Traumatic Brain Injury in the Military.

Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research·2025
Same author

Economic Burden of Alzheimer Disease and Related Dementias by Race and Ethnicity, 2020 to 2060.

JAMA network open·2025
Same author

Decision and economic evaluation of abortion availability in the United States military.

American journal of obstetrics and gynecology·2024
Same author

Prenatal opioid use as a predictor of postpartum suicide attempts among reproductive-age women enrolled in Oregon Medicaid.

BMC women's health·2024
Same author

Establishing an Integrative Oncology Service: Essential Aspects of Program Development.

Current oncology reports·2024

Related Experiment Video

Updated: Mar 30, 2026

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
11:51

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions

Published on: February 22, 2018

9.2K

Effective Wall Friction in Wall-Bounded 3D Dense Granular Flows.

Riccardo Artoni1, Patrick Richard1

  • 1LUNAM Université, IFSTTAR, MAST, GPEM, F-44340 Bouguenais, France.

Physical Review Letters
|November 10, 2015
PubMed
Summary

Numerical simulations reveal new granular shear flow regimes driven by sidewall friction. These findings link slip velocity and granular temperature to effective sidewall friction, offering new scaling laws for granular materials.

More Related Videos

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids
10:28

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids

Published on: January 3, 2014

15.6K
Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes
08:42

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes

Published on: April 10, 2017

20.7K

Related Experiment Videos

Last Updated: Mar 30, 2026

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
11:51

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions

Published on: February 22, 2018

9.2K
Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids
10:28

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids

Published on: January 3, 2014

15.6K
Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes
08:42

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes

Published on: April 10, 2017

20.7K

Area of Science:

  • Physics
  • Geophysics
  • Material Science

Background:

  • Granular shear flows are fundamental to geophysical and industrial processes.
  • Understanding sidewall effects is crucial for modeling granular material behavior.

Purpose of the Study:

  • To investigate novel regimes in granular shear flows confined by frictional sidewalls.
  • To characterize sidewall friction and its relationship with bulk flow properties.

Main Methods:

  • Numerical simulations of granular shear flows.
  • Analysis of strain localization, dissipation, and friction at sidewalls.

Main Results:

  • Observed novel flow regimes due to competition between sidewall and bulk dissipation.
  • Characterized effective sidewall friction (coefficient and force orientation).
  • Identified interdependence between sidewall friction, slip, and force fluctuations.

Conclusions:

  • Proposed a scaling law for slip velocity and granular temperature.
  • Developed a subsequent scaling law for effective sidewall friction.