Viscous Damper

A viscous damper is a mechanical device that reduces vibration and unwanted motion by converting kinetic energy into heat through fluid resistance. When a piston moves inside a fluid-filled cylinder, the fluid is forced through restricted passages or orifices, producing a force that opposes motion and increases with movement speed. In engineering, viscous dampers help control oscillations in structures, vehicles, machinery, and mechanical systems exposed to impacts, dynamic loads, or seismic activity. Their performance depends on factors such as fluid viscosity, piston velocity, orifice geometry, and operating temperature, making them important for improving stability, comfort, fatigue life, and structural resilience.

Viscous Damper - Related Videos

Research

JoVE Journal - Engineering

Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches

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2025

This study combines numerical analysis software with response surface methodology (RSM) to systematically explore the optimization design method for friction plates of hydro-viscous clutches.

3D Printing of In Vitro Hydrogel Microcarriers by Alternating Viscous-Inertial Force Jetting

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Cited by 5 •

2021

Presented here is a mild 3D printing technique driven by alternating viscous-inertial forces to enable the construction of hydrogel microcarriers. Homemade nozzles offer flexibility, allowing easy replacement for different materials and diameters. Cell binding microcarriers with a diameter of 50-500 µm can be obtained and collected for further culturing.

Education

JoVE Science Education - Environmental Sciences

Igneous Volcanic Rock

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2023

Source: Laboratory of Alan Lester - University of Colorado Boulder Igneous rocks are the products of cooling and crystallization of magma. Volcanic rocks are a particular variety of igneous rock, forming as a consequence of magma breaching the surface, then cooling and crystallizing in the subaerial environment. Magma is molten rock that typically ranges in temperature from approximately 800 °C to 1,200 °C (Figure 1). Magma itself is produced within the Earth via three primary melting...

Hot Wire Anemometry

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2023

Source: Ricardo Mejia-Alvarez and Hussam Hikmat Jabbar, Department of Mechanical Engineering, Michigan State University, East Lansing, MI Hot-wire anemometers have a very short time-response, which makes them ideal to measure rapidly fluctuating phenomena such as turbulent flows. The purpose of this experiment is to demonstrate the use of hot-wire anemometry.

Ex Vivo Electroporation of Chick Embryo Cerebellar Slices: A Method to Introduce Plasmid DNA Encoding Green Fluorescent Protein to Visualize Granular Cell Development

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2025

In this video, we perform electroporation of chick embryo cerebellum slices with reporter gene plasmids. The technique facilitates visualization of the development and migration of granule cell precursors to form granular layer.

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