Sonic boom

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Sonic boom

A sonic boom is a sound associated with shock waves created when an object travels through the air faster than the speed of sound. Sonic booms generate enormous amounts of sound energy, sounding similar to an explosion or a thunderclap to the human ear. The crack of a supersonic bullet passing overhead, the crack of a bullwhip, and the snapping of a rolled up towel are all examples of small sonic booms. Sonic booms due to large supersonic aircraft can be particularly loud and startling, tend to awaken people, and may cause minor damage to some structures. This led to the prohibition of routine supersonic flight overland. Although sonic booms cannot be completely prevented, research suggests that with careful shaping of the vehicle, the nuisance due to sonic booms may be reduced to the point that overland supersonic flight may become a feasible option. A sonic boom does not occur only at the moment an object crosses the sound barrier and neither is it heard in all directions emanating from the supersonic object. Rather, the boom is a continuous effect that occurs while the object is traveling at supersonic speeds and affects only observers who are positioned at a point that intersects a region in the shape of a geometrical cone behind the object. As the object moves, this conical region also moves behind it and when the cone passes over observers, they will briefly experience the "boom".

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• Sonic Boom > Air Force > Fact Sheet Display

  Sonic boom is an impulsive noise similar to thunder. It is caused by an object moving faster than sound -- about 750 miles per hour at sea level. An aircraft traveling through the atmosphere continuously produces air-pressure waves similar to the water waves caused by a ship's bow. When the aircraft exceeds the speed of sound, these pressure waves combine and form shock waves which travel forward from the generation or "release" point. [...] The sound heard on the ground as a "sonic boom" is the sudden onset and release of pressure after the buildup by the shock wave or "peak overpressure." The change in pressure caused by sonic boom is only a few pounds per square foot -- about the same pressure change we experience on an elevator as it descends two or three floors -- in a much shorter time period. It is the magnitude of this peak overpressure that describes a sonic boom. [...] Characteristics The energy range of sonic boom is concentrated in the 0.1 - 100 hertz frequency range that is considerably below that of subsonic aircraft, gunfire and most industrial noise. Duration of sonic boom is brief; less than a second -- 100 milliseconds (.100 seconds) for most fighter-sized aircraft and 500 milliseconds for the space shuttle or Concorde jetliner .

• Sonic Boom (TV series) - Wikipedia

  Sonic Boom is an animated sitcom produced by Sega of America, Inc. and Technicolor Animation Productions (formerly OuiDo! Productions in season 1) in collaboration with Lagardère Thématiques and Jeunesse TV, respectively for Cartoon Network, Canal J, and Gulli, It is loosely based on the Sonic the Hedgehog video game series by Sega, the fifth animated television series based on the franchise, and the first to be produced in both computer animation and high-definition. [...] Sonic Boom made its international debut on Cartoon Network "Cartoon Network (Australia and New Zealand)") in Australia and New Zealand on April 4, 2015. In the United Kingdom and Ireland, the series premiered on Boomerang "Boomerang (British and Irish TV channel)") on June 1, 2015, and premiered on Pop "Pop (British and Irish TV channel)") on 25 August 2018.[citation needed] The series is also airing on Cartoon Network "Cartoon Network (Asia)") in Singapore and Malaysia, on Cartoon Network "Cartoon Network (India)") in India as Sonic Boom Dhamaal Aur Dhoom, on Okto (later Okto on 5 "Channel 5 (Singaporean TV channel)")) in Singapore, and on Minika GO Channel in Turkey.[citation needed] It also aired on Boomerang "Boomerang (TV network)") in the United States from October 8, 2015, to [...] On February 19, 2015, Cartoon Network announced in a press statement that Sonic Boom, along with 10 other shows, was to return for the 2015–2016 TV season. This was subsequently confirmed by executive producer Bill Freiberger in a fan commentary to not be an indicator of a renewal or second season at this time. However, on October 10, 2015, Lagardère Entertainment Rights announced a second season which premiered on October 29, 2016. It was announced on November 10, 2016, that the remainder of season two would air on Boomerang "Boomerang (TV network)") while Cartoon Network airs reruns of the series. Season 1 of Sonic Boom was released in Japan as a Netflix-exclusive on July 1, 2017, under the title Sonic Toon (ソニックトゥーン).

• Sonic Boom (TV Series 2014–2017)

  Sonic Boom (2014-2017) is a television adaptation of Sega's iconic Sonic the Hedgehog franchise, known for its quirky take on the familiar world and characters.

• What is a sonic boom—and is it dangerous? | National Geographic

  A sonic boom is the noise created by an aircraft or some other object when it surpasses the speed of sound. Typically clocking in at 110 decibels, sonic booms are indeed about as loud as thunder or an explosion. And they’re increasingly common along central Florida’s Space Coast as SpaceX continues to test its rockets. But what exactly causes a sonic boom—and is it dangerous to be near one? To understand, you first need to think about air a bit like liquid. This NASA image depicts the interaction of shock waves—heard as sonic booms—produced by two U.S. aircrafts traveling approximately 30 feet apart at supersonic speeds. The colorized composite image was made using what's called the schlieren photography technique. Photograph by NASA, Nat Geo Image Collection [...] Photograph by NASA, Nat Geo Image Collection ## What causes a sonic boom? Sonic booms can be made by objects as small as bullets and whips or by natural phenomena like volcanic eruptions, meteor showers, and earthquakes. But they’re most associated with aircraft. Why is that? When something—a space shuttle, say—accelerates to high speeds, it creates ripples of air molecules and sound that radiate outward in every direction, like a pebble dropped into a lake. However, as that object speeds up, the waves at the nose of the spacecraft start to pile up and compress rather than ripple outward. Meanwhile, waves of air and sound continue to push away from the sides and back of the ship, like the wake coming off a passing speed boat. [...] # What is a sonic boom—and is it dangerous? These blasts—which are increasingly common along the Space Coast in central Florida—can be heard whenever an object breaks the sound barrier. Here’s why. A U.S. Air Force F-22 Raptor executes a supersonic flyby over the flight deck of an aircraft carrier in the Gulf of Alaska in 2009. Sonic booms can be made by objects as small as bullets and by natural phenomena like volcanic eruptions. But they're most associated with aviation. Photograph by Ronald Dejarnett, U.S. Navy/Handout/Reuters/Redux ByJason Bittel Published June 14, 2023 •6 min read If you hear what sounds like a thunderclap, but there isn’t a cloud in the sky, the source of the noise might just be a sonic boom.

• [PDF] create sonic booms - NASA Facts

  NASA Facts National Aeronautics and Space Administration Dryden Flight Research Center P.O. Box 273 Edwards, California 93523 Voice 661-276-3449 FAX 661-276-3566 pao@dfrc.nasa.gov FS-2003-11-016 DFRC Sonic Booms Summary A sonic boom is the thunder-like noise a person on the ground hears when an aircraft or other type of aerospace vehicle flies overhead faster than the speed of sound or supersonic. Air reacts like a fluid to supersonic objects. As objects travel through the air, the air molecules are pushed aside with great force and this forms a shock wave much like a boat creates a bow wave. The bigger and heavier the aircraft, the more air it displaces. The Cause The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the [...] outward and rearward in all directions and extend to the ground. As the cone spreads across the landscape along the flight path, they create a continu­ ous sonic boom along the full width of the cone's base. The sharp release of pressure, after the buildup by the shock wave, is heard as the sonic boom. The change in air pressure associated with a sonic boom is only a few pounds per square foot -- about the same pressure change experienced riding an elevator down two or three floors. It is the rate of change, the sudden onset of the pressure change, that makes the sonic boom audible. All aircraft generate two cones, at the nose and at the tail. They are usually of similar strength and the time interval between the two as they reach the ground is primarily dependent on the size of the

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