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Testing at the physical environmental conditions (shock, vibration, temperature, altitude, humidity, etc.) that simulate those encountered over the operational life of the component. Random vibration and temperature cycling have proven to be the most successful forms of ESS in terms of effective flaw precipitation.
Vibration (from Latin vibrāre 'to shake') is a mechanical phenomenon whereby oscillations occur about an equilibrium point.Vibration may be deterministic if the oscillations can be characterised precisely (e.g. the periodic motion of a pendulum), or random if the oscillations can only be analysed statistically (e.g. the movement of a tire on a gravel road).
The norm describes the test procedure for airborne equipment. 8.0 Vibration: Aircraft type dependent test checks the effects of vibration and the equipment's ability to operate during all vibration scenarios. 9.0 Explosion proofness: These tests subject the test article to an environment under vacuum, with a gaseous mixture of combustibles.
Dongling Vibration (Chinese: 东菱振动; pinyin: Dōnglíng Zhèndòng) is a top-level vibration test equipment manufacture company. [1] [2] [3] Founded in 1995 in Suzhou, P.R China, it has over 250 employees, most of whom work in its headquarters in Suzhou, P.R. China, which is called Dongling Science and Technology Park.
A shaker is a device used in vibration testing to excite the structure, either for endurance testing or modal testing. Sample layout of a modal testing system.
The Rumble Pak (Japanese: 振動パック, Hepburn: Shindō Pakku) is a removable device from Nintendo that provides force feedback while playing video games. Games that support the Rumble Pak cause it to vibrate in select situations, such as when firing a weapon or receiving damage, to immerse the player in the game.