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2. Ultrasonic nozzle - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_Nozzle

   An atomized spray produced from an ultrasonic nozzle is subjected to a heated substrate typically ranging from 300–400 degrees C. [23] Due to the high temperatures of the spray chamber, extensions to the ultrasonic nozzle (as pictured and labeled – High Temperature Ultrasonic Nozzle) [citation needed] such as a removable tip (tip is hidden ...

3. Underwater acoustics - Wikipedia

   en.wikipedia.org/wiki/Underwater_acoustics

   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.

4. Underwater acoustic communication - Wikipedia

   en.wikipedia.org/wiki/Underwater_acoustic...

   Underwater acoustic communication is a technique of sending and receiving messages in water. [1] There are several ways of employing such communication but the most common is by using hydrophones . Underwater communication is difficult due to factors such as multi-path propagation , time variations of the channel, small available bandwidth and ...

5. Spray nozzle - Wikipedia

   en.wikipedia.org/wiki/Spray_nozzle

   Spray nozzles can have one or more outlets; a multiple outlet nozzle is known as a compound nozzle. Multiple outlets on nozzles are present on spray balls, which have been used in the brewing industry for many years for cleaning casks and kegs. [2] Spray nozzles range from those for heavy duty industrial uses to light duty spray cans or spray ...

6. Echo sounding - Wikipedia

   en.wikipedia.org/wiki/Echo_sounding

   The speed of sound will vary slightly depending on temperature, pressure and salinity; and for precise applications of echosounding, such as hydrography, the speed of sound must also be measured, typically by deploying a sound velocity probe in the water. Echo sounding is a special purpose application of sonar used to locate the bottom.

7. In-water surface cleaning - Wikipedia

   en.wikipedia.org/wiki/In-water_surface_cleaning

   In-water cleaning, also known as in-water surface cleaning, is a collection of methods for removing unwanted material in-situ from the underwater surface of a structure.. This often refers to removing marine fouling growth from ship hulls, but also has applications on civil engineering structures, pipeline intakes and similar components which are impossible or inconvenient to remove from the ...

8. Oily water separator (marine) - Wikipedia

   en.wikipedia.org/wiki/Oily_water_separator_(marine)

   The main concern was to save water, protect fish, and have clean water for agricultural usage. The WPA also helped to start the process of building water treatment plants. This is to guard against sewage from polluting drinking water. In 1972 the WPA was amended to include more requirements in order to insure that the water is chemically sound.

9. Sound (nautical) - Wikipedia

   en.wikipedia.org/wiki/Sound_(nautical)

   In nautical terms, the word sound is used to describe the process of determining the depth of water in a tank or under a ship. Tanks are sounded to determine if they are full (for cargo tanks) or empty (to determine if a ship has been holed) and for other reasons.