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  2. Water hammer - Wikipedia

    en.wikipedia.org/wiki/Water_hammer

    This pressure wave can cause major problems, from noise and vibration to pipe rupture or collapse. It is possible to reduce the effects of the water hammer pulses with accumulators, expansion tanks, surge tanks, blowoff valves, and other features. The effects can be avoided by ensuring that no valves will close too quickly with significant flow ...

  3. Expansion tank - Wikipedia

    en.wikipedia.org/wiki/Expansion_tank

    An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer [ citation needed ] and absorbs excess water pressure caused by thermal expansion .

  4. Noise control - Wikipedia

    en.wikipedia.org/wiki/Noise_control

    Using a combination of sound absorption materials, arrays of microphones and speakers, and a digital processor, a restaurant operator can use a tablet computer to selectively control noise levels at different places in the restaurant: the microphone arrays pick up sound and send it to the digital processor, which controls the speakers to output ...

  5. Hydropneumatic device - Wikipedia

    en.wikipedia.org/wiki/Hydropneumatic_device

    Hydropneumatic water hammer preventers are chambers of sufficient volume to allow an extension of time in which a given flow may be accelerated or decelerated without sudden large change in pressure. See also expansion tank. When shock waves of an incompressible fluid within a piping system exist, especially at a high velocity, there is a high ...

  6. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    This makes the graphs more distinct and easy to analyse. There are other ways to detect leakage, while reducing costs for exploratory excavation. Ground geo-phones with signal filtering are very useful to pinpoint leakage locations. An escaping pressurized water jet underground can create a faint noise which will be muffled on its way to the ...

  7. Hydronic balancing - Wikipedia

    en.wikipedia.org/wiki/Hydronic_balancing

    Hydronic balancing. Hydronic balancing, also called hydraulic balancing, is the process of optimizing the distribution of water in a building's hydronic heating or cooling system by equalizing the system pressure.

  8. Neighbors fed up with pickleball noise: Sound study dispute ...

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  9. Thermostatic mixing valve - Wikipedia

    en.wikipedia.org/wiki/Thermostatic_mixing_valve

    Thermostatbatterie = thermostatic mixing valve WW-Zulauf = Warmwasser-Zulauf = Hot water input KW-Zulauf = Kaltwasser-Zulauf = Cold water input

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