bow wave

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bow wave

[′bau̇ ‚wāv]
(fluid mechanics)
A shock wave occurring in front of a body, such as an airfoil, or apparently attached to the forward tip of the body.

bow shock wave

bow shock waveclick for a larger image
A shock wave that forms when the aircraft is flying at a speed faster than the speed of sound. A bow wave is a shock wave in front of a body, such as an airfoil, or is apparently attached to the forward tip of the body.

compression wave

compression waveclick for a larger image
A shock wave that forms on the surface of an airfoil moving through the air at supersonic speeds. The reverse phenomenon is an expansion wave. Also called bow wave. See also bow shock wave and expansion wave.
References in periodicals archive ?
We show the first unambiguous evidence of ionospheric bow waves as electron content disturbances over central/eastern United States, with AaAaAeAc1/4 1 h duration, 300 6 400 km wavelength and 280 m/s phase speed emanati from and tailing the totality region," they wrote in (http://onlinelibrary.
At altitudes where water vapor and ozone can efficiently convert the sun's ultraviolet radiation to heat, the sudden temperature change was expected to cause bow waves.
The steep increase in acquisition costs beyond 2013-2017 suggests that a classic bow wave is being created by DoD.
With the Defense Department now facing a precipitous drop in new equipment purchases over the next two years, the green-eyeshade crowd already is predicting a huge bow wave for 2018 and beyond, which could be the biggest one yet.
We build the sea surface with the spilling breakers and the ship bow waves firstly, the details of the model meet Ref.
Combined with the spilling breakers and the ship bow waves, the complex ship-sea geometric model is fully established.
The silvers lay in dark pods, sometimes moving, their upstream passage marked by nervous water, bow waves, or dorsals and tails breaking the water.
On overcast days, fly fishers can entice between 50 and 100 takes on "Wogs" chugged and kersploosbed across the glassy surface: A black head suddenly appears in a bow wave behind the high-riding fly; you splurp the Wog and gasp as the head and jaws engulf it.
Although clouds covered the Sun just before the expected arrival of the bow waves, his data produce a very nice sine wave.
Though the mechanisms that produce such emissions will--like virtually every other aspect of the encounters--require much additional study, the Sakigake team infers that the signals result from "moving shock or bow waves in the coma region of the comet, due to time-dependent variations in the solar wind.
They were taken out to the end of the derelict Lloyd's Hailing Station pier in North Shields by a speedboat - but the owner left them stranded in the path of bow waves from giant North Sea ferries.
My friend tells me that trout create huge bow waves as they chase the Peach Doll.