Sentences with phrase «mechanical vibrations of»

«Optomechanics is an area of research in which extremely minute forces exerted by light (for example: radiation pressure, gradient force, electrostriction) are used to generate and control high - frequency mechanical vibrations of microscale and nanoscale devices,» explained Gaurav Bahl, an assistant professor of mechanical science and engineering at Illinois.

The magnetic field compresses the metamaterial, but does not constrain it, enabling an acoustic or mechanical wave to perturb the material and generate unique properties, including negative modulus and negative density that blocks sound waves and mechanical vibrations of certain frequencies from passing through.

This particular kind of PCN has been shown, by another EPFL scientist, Tobias Kippenberg, to produce mechanical vibrations of different frequencies when it interacts with light.

By taking clever advantage of the interplay between light, electrons on the surface of metals, and heat, researchers at the National Institute of Standards and Technology (NIST) have for the first time created a plasmomechanical oscillator (PMO), so named because it tightly couples plasmons — the collective oscillations of electrons at the surface of a metal nanoparticle — to the mechanical vibrations of the much larger device it's embedded in.

Therefore, when an acoustic or mechanical wave contacts the material, it perturbs it, generating the unique properties that block sound waves and mechanical vibrations of certain frequencies from passing through.

The experimental design draws from his recent research in the field of optomechanics, which Savona describes as «the art of conceiving systems in which light interacts, in highly controlled and highly tailored way, with a mechanical vibration of some sort.»

Not exact matches

Quanser The Toronto - area company is primarily focused on health and academic markets, but its haptic technology — which replicates the sense of touch through mechanical vibration — is being used in commercial home robots.

USC Viterbi School of Engineering Assistant Professor Qiming Wang and Ph.D. student Kun - Hao Yu, along with MIT Professor Nicholas Fang and University of Missouri Professor Guoliang Huang, have developed 3 - D printed metamaterials capable of blocking sound waves and mechanical vibrations.

One experiment tested the effects of electricity harnessed from mechanical vibrations on a New Mexican — grown chili pepper (not enough to cook it thoroughly, it turned out); another examined how high up a cell phone and a satellite phone could go before they stopped receiving text messages.

Imagine a single particle, only one - tenth the diameter of a bacterium, whose miniscule jiggles induce sustained vibrations in an entire mechanical device some 50 times larger.

Nanoscale rods of the material wobble in response to mechanical stress — such as the vibrations produced by sound — and generate an electric field.

The result may lead to ultrasensitive force detectors and to ways of controlling an object's mechanical vibrations as deftly as we now control electricity and light.

With the help of Ron Miles, professor of mechanical energy at Binghamton University, whose lab has a special quiet room without vibrations, Menda, Miles and undergraduate co-author Katherine Walden» 14, ran experiments with a special cage that allowed them to eliminate vibrations.

Such a system is capable of detecting the mechanical vibrations in a very short period of time as well as being sensitive enough to detect minimum displacements and over a very broad range of vibrational amplitudes.

Following their 2012 paper, Mayboroda and Filoche looked for ways to extend the landscape function from mechanical vibrations to the quantum world of electron waves.

They have accomplished this by harnessing gradients of surface energy and by utilizing light, temperature, electric force and mechanical vibration.

Appel and Cocroft say future research will focus on how vibrations are sensed by the plants, what features of the complex vibrational signal are important, and how the mechanical vibrations interact with other forms of plant information to generate protective responses to pests.

... When the foot touches the ground, there is a wave of signals that are generated, and they are delivered to the arms of the subject through a shirt that contains small mechanical vibration devices.

This mechanical vibration can be thought of as a musical note from a tuning fork, but in optomechanics it involves tiny devices specifically designed for this purpose.

An optomechanical system acts in such a way that, whatever the state of the photon, it is transferred to the state of a mechanical vibration.»

The phenomenon has been seen widely in analogue record players that guide a needle through the grooves of a record to generate mechanical vibrations.

Abstract: Imagine a single particle, only one - tenth the diameter of a bacterium, whose miniscule jiggles induce sustained vibrations in an entire mechanical device some 50 times larger.

Minimization of mechanical aging effects such as flow induced vibration, metal fatigue and the like.

A team from the University of Southern California has created metamaterials that can be remotely switched between active control and passive states, and block sound waves and mechanical vibrations.

«These mechanical vibrations can, in turn, «talk» to liquids within the hollow device and provide optical readout of the mechanical properties,» said Bahl, who is first author of the paper, «Brillouin cavity optomechanics with microfluidic devices,» published this week in Nature Communications.

Hyderabad, India About Blog This is blog where all the fields of Mechanical Engineering are presented like Mechanical Projects, Mechanical softwares, Mechanical definitions, CATIA and ANSYS Tutorials, Mechanical Vibrations etc..

[7] Another notable mechanical difference was the propeller shaft, two - piece instead of one - piece in order to dampen torsional vibrations, intensified by the increased engine output.

But there's some kind of mechanical transmission between these elements which amplifies these vibrations.»

It would've ate up my new tires and vibration is never good for a mechanical equipment, alot of people cut corners and pay for other problems.

This stimulation causes mechanical distortion of the crystals, resulting in vibration and production of sound waves (i.e., mechanical energy).32

Additionally, the mechanical action and vibration of vacuuming stimulate the flea pupae to emerge quicker, shortening the life cycle, making control easier.

Rub your hands together, that is mechanical energy moving the molecules of your skin into vibration, heating up your skin.

Rub your hands together, that is mechanical energy moving the molecules of your skin into vibration, creating heat by heating them up.

Rub your hands together, that is mechanical energy moving the whole molecules of matter of your skin into vibration.

This is not true, except perhaps in the plasma state, gases have a limited number of natural mechanical vibration frequencies or wavelengths due to their particular physical structure.

«Heat», on the other hand is the mechanical energy of motion or vibration etc of atoms or molecules, and Electromagnetic radiation does not need any molecular material to propagate.

A group of retired NASA scientists and engineers led by Dr. Harold H. Doiron, a mechanical engineer who is best known for his work on eliminating unstable vibrations in liquid propellant rockets, has decided that these models simply can't be used to make rational decisions about earth's future climate.

Vibration will cause irreversible damage to the mechanical hard disk, so the HP Omen in the mechanical hard disk on both sides of the use of the shock effect is very good protective pad.

This means that the device is capable of withstanding harsh conditions such as extreme weather, mechanical shocks and vibrations, and intense solar radiation.

Safety personnel must have the ability to lift 25 lbs., work in estreme temperatures of heat or cold around noise, vibration, chemicals, flammable materials, and mechanical and electrical hazards.

While performing the duties of this job, the employee is frequently exposed to fumes or airborne particles, moving mechanical parts and vibration.

Complete online guide for Vibration and Acoustic fundamentals of mechanical systems.

RELEVANT COURSE WORK: Fluid Mechanics, Heat Transfer, Material Science, Thermodynamics, Machine Design, Gas Dynamics, Mechanical Vibrations, Design of thermal system, Mechanics and Solid of Materials, Controls System, Mechanism Analysis, Total Quality Management, Advanced Statistics.: --

Statics, Dynamics, Engineering Analysis, Mechanics of Materials, Fluid Mechanics, Dynamics of Machinery, Measurement and Instrumentation, Mechanical Engineering Thermodynamics, Industrial Processes, Elements of Material Engineering, Machine Design, Mechanical Vibrations, Thermal Systems Laboratory, Heat and Mass Transfer

Complete online guide for Vibration and Acoustic fundamentals of mechanical systems.

Hyderabad, India About Blog This is blog where all the fields of Mechanical Engineering are presented like Mechanical Projects, Mechanical softwares, Mechanical definitions, CATIA and ANSYS Tutorials, Mechanical Vibrations etc..