internal vibration

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• Molecular vibration — A molecular vibration occurs when atoms in a molecule are in periodic motion while the molecule as a whole has constant translational and rotational motion. The frequency of the periodic motion is known as a vibration frequency, and the typical… …   Wikipedia

• Torsional vibration — is angular vibration of an object commonly a shaft along its axis of rotation. Torsional vibration is often a concern in power transmission systems using rotating shafts or couplings where it can cause failures if not controlled. In ideal power… …   Wikipedia

• Noise, vibration, and harshness — (NVH), also known as noise and vibration (N V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, Harshness is a subjective… …   Wikipedia

• Noise, Vibration, and Harshness — Noise, Vibration, and Harshness, also known as Noise and Vibration, abbreviated to NVH and N V respectively, is the name given to the field of measuring, and modifying, the noise and vibration characteristics of vehicles, particularly cars and… …   Wikipedia

• Eckart conditions — The Eckart conditions, [ C. Eckart, Some studies concerning rotating axes and polyatomic molecules , Physical Review,vol. 47, pp. 552 558 (1935).] named after Carl Eckart, sometimes referred to as Sayvetz conditions, [Aaron Sayvetz, The Kinetic… …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …   Wikipedia

• Dreamcast light guns — The Dreamcast video game console had several light guns between the years of 2000 and 2003. The light gun will work with a CRT TV or a CRT VGA monitor in 640x480 mode. Contents 1 Dreamcast Gun 2 StarFire LightBlaster 3 Dream Blaster …   Wikipedia

• Rotational-vibrational coupling — occurs when the rotation frequency of an object is close to or identical to a natural internal vibration frequency. The animation on the right shows a simple example. The motion depicted in the animation is for the idealized situation that the… …   Wikipedia

• Georges Brassens — Infobox Musical artist Name = Georges Brassens Img capt = Img size = Landscape = Background = solo singer Birth name = Alias = Born = Birth date|df=yes|1921|10|22, Sète, France Died = Death date and age|df=yes|1981|10|29|1921|10|22, Saint Gély du …   Wikipedia

• Body load — is a term employed by users of psychoactive drugs, and especially users of psychedelics, to describe specific tactile sensations brought on by drug use. Generally, body load is an unpleasant physical sensation that is difficult to describe either …   Wikipedia