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Hydraulophones use water-flow sound-producing mechanisms. They have a user interface, which is blocking water jets to produce sound. Those described in Mann's paper, Hydraulophone design considerations [3] use water jets striking perforated spinning disks, shafts, or valves, to create a pulsating water flow, similar to a siren disk. A single ...
Output of a computer model of underwater acoustic propagation in a simplified ocean environment. A seafloor map produced by multibeam sonar. Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries.
There are several different explanations for the name, all involving it being the first water to be found by desperately thirsty parties. Canadian River : The etymology is unclear. The name may have come from French-Canadian traders and hunters who traveled along the river, or early explorers may have thought that the river flowed into Canada.
The ryūsuion is the sound of the first few water drops at the beginning of washing hands. The suitekion describes both the sound of a lot of water falling at the same time during washing hands and the slower drops at the end of the washing. A superior suikinkutsu has water drops originating from different spots on the surface of the jar ...
Ring flow field Ring sound. The word "ring" here refers to a toroidal shape. The flow from a circular orifice impinging on a toroidal ring of the same diameter as the orifice will result in a tone; it is called a ring tone. It is similar to the hole tone described above, except that because the plate was replaced by a ring, a fundamental change ...
Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
A hydrophone can also detect airborne sounds but is insensitive of them because it is designed to match the acoustic impedance of water, a denser fluid than air. Sound travels 4.3 times faster in water than in air, and a sound wave in water exerts a pressure 60 times more than what is exerted by a wave of the same amplitude in air.
The guqin ([kùtɕʰǐn] ⓘ; Chinese: 古琴) is a plucked seven-string Chinese musical instrument.It has been played since ancient times, and has traditionally been favoured by scholars and literati as an instrument of great subtlety and refinement, as highlighted by the quote "a gentleman does not part with his qin or se without good reason," [1] as well as being associated with the ...
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