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  2. Shock wave - Wikipedia

    en.wikipedia.org/wiki/Shock_wave

    In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a medium, but is characterized by an abrupt, nearly discontinuous, change in pressure, temperature, and ...

  3. Water hammer - Wikipedia

    en.wikipedia.org/wiki/Water_hammer

    Water hammer. Effect of a pressure surge on a float gauge. Hydraulic shock (colloquial: water hammer; fluid hammer) is a pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly: a momentum change. It is usually observed in a liquid but gases can also be affected.

  4. Ludwieg tube - Wikipedia

    en.wikipedia.org/wiki/Ludwieg_tube

    A Ludwieg tube is a wind tunnel that produces supersonic flow for short periods of time. A large evacuated dump tank is separated from the downstream end of a convergent-divergent nozzle by a diaphragm or fast acting valve. The upstream end of the nozzle connects to a long cylindrical tube, whose cross-sectional area is significantly larger ...

  5. Shock Wave (film) - Wikipedia

    en.wikipedia.org/wiki/Shock_Wave_(film)

    Shock Wave. (film) Shock Wave is a 2017 Hong Kong action film written and directed by Herman Yau, produced by and starring Andy Lau. [1] Released on 20 April 2017 in Hong Kong and 28 April 2017 in all China, the film is Yau and Lau's third collaboration as director and star respectively after 1991's Don't Fool Me and 1999's Fascination Amour.

  6. Shock Wave 2 - Wikipedia

    en.wikipedia.org/wiki/Shock_Wave_2

    Cantonese. Budget. US$40 million. Box office. US$226.4 million[note 1] Shock Wave 2 is a 2020 Hong Kong-Chinese action film written and directed by Herman Yau, produced by and starring Andy Lau. The film is a standalone sequel to the 2017 film Shock Wave, featuring a new storyline and characters. In the film, Lau plays a former bomb disposal ...

  7. Ultrasonic cleaning - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_cleaning

    Ultrasonic cleaning is a process that uses ultrasound (usually from 20 to 40 kHz) to agitate a fluid, with a cleaning effect. Ultrasonic cleaners come in a variety of sizes, from small desktop units with an internal volume of less than 0.5 litres (0.13 US gal), to large industrial units with volumes approaching 1,000 litres (260 US gal).

  8. Desalination - Wikipedia

    en.wikipedia.org/wiki/Desalination

    Wave powered desalination systems generally convert mechanical wave motion directly to hydraulic power for reverse osmosis. [58] Such systems aim to maximize efficiency and reduce costs by avoiding conversion to electricity, minimizing excess pressurization above the osmotic pressure, and innovating on hydraulic and wave power components. [ 59 ]

  9. Shock tube - Wikipedia

    en.wikipedia.org/wiki/Shock_tube

    A simple shock tube is a tube, rectangular or circular in cross-section, usually constructed of metal, in which a gas at low pressure and a gas at high pressure are separated using some form of diaphragm. See, for instance, texts by Soloukhin, Gaydon and Hurle, and Bradley. [9][10][11] The diaphragm suddenly bursts open under predetermined ...

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