sound barrier

(redirected from sound barriers)
Also found in: Dictionary, Thesaurus.

sound barrier:

see aerodynamicsaerodynamics,
study of gases in motion. As the principal application of aerodynamics is the design of aircraft, air is the gas with which the science is most concerned. Although aerodynamics is primarily concerned with flight, its principles are also used in designing automobile
..... Click the link for more information.
.

Sound barrier

Any solid obstacle that is relatively opaque to sound that blocks the line of sight between a sound source and the point of reception of the sound.

sound barrier

[′sau̇nd ‚bar·ē·ər]
(aerospace engineering)

sound barrier

Any solid obstacle which is relatively opaque to sound that blocks the line of sight between a sound source and the point of reception of the sound.

sound barrier

A so-called barrier to flight encountered by an airplane designed for subsonic speeds when it reaches transonic speeds and meets the turbulence incident of diverse degrees of compressibility. An intense buffet and the loss of controls to a varying degree may also be experienced at this speed. Also called a transonic barrier.

sound barrier

a hypothetical barrier to flight at or above the speed of sound, when a sudden large increase in drag occurs
References in periodicals archive ?
She said installing sound barriers for the existing road network, an estimated budget of e1/450 mln is needed.
Whereas, according to the Ministry, a total amount of e1/450 mln is needed, the Minister said that the government has only budged e1/42 mln for sound barrier works in their three-year plan.
To explore the influence of the process of train passing on the sound barrier, numerous studies about impulsive wind pressure have been conducted [2-7].
Previous studies about the sound barrier have achieved significant achievements, letting us have a good understanding of the vibration response characteristics of the sound barrier.
WORCESTER -- For about 40 years, Nicholas Alexanian and his neighbors on Melrose Street have been trying to get the state to put up a sound barrier along the section of Interstate 290 that runs adjacent to their street.
Concrete is the ultimate sound barrier. Residents can enjoy complete privacy between floors.''
One French company is making sound barriers out of old tires, which are cut in two and placed in perforated steel enclosures.
The products reported here will provide competitive economics and high sound barrier properties compared to conventional rubber products.
As new and existing residential areas and high volume highways in the United States continue to intermingle, sound barriers placed between highways and residential neighborhoods provide an effective tool in traffic noise control.
"I recognize that sound barrier construction in Shrewsbury along I-290 is important to many families and directly impacts their quality of life," Mrs.
In addition to railroad ties and bridges, solid sawn timbers are used to make posts for signs, guardrails, and sound barriers. Information on these products is scanty, and more research is needed in this area.
Naughton Jr., D-Clinton, was able to get an amendment in the $800 million Transportation Bill that would pay for sound barriers.