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  2. Inlet cone - Wikipedia

    en.wikipedia.org/wiki/Inlet_cone

    An inlet cone, as part of an Oswatitsch-type inlet used on a supersonic aircraft or missile, is the 3D-surface on which supersonic ram compression for a gas turbine engine or ramjet combustor takes place through oblique shock waves. Slowing the air to low supersonic speeds using a cone minimizes loss in total pressure (increases pressure recovery).

  3. Shock wave - Wikipedia

    en.wikipedia.org/wiki/Shock_wave

    In this case, the gas ahead of the shock is stationary (in the laboratory frame) and the gas behind the shock can be supersonic in the laboratory frame. The shock propagates with a wavefront which is normal (at right angles) to the direction of flow. The speed of the shock is a function of the original pressure ratio between the two bodies of gas.

  4. Lockheed Martin X-59 Quesst - Wikipedia

    en.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST

    The Lockheed Martin X-59 Quesst ("Quiet SuperSonic Technology"), sometimes styled QueSST, is an American experimental supersonic aircraft under development by Skunk Works for NASA's Low-Boom Flight Demonstrator project. [2] Preliminary design started in February 2016, with the X-59 planned to begin flight testing in 2021.

  5. Fragmentation (weaponry) - Wikipedia

    en.wikipedia.org/wiki/Fragmentation_(weaponry)

    In contrast, a high-explosive shell contains a relatively large and energetic secondary charge of high explosive (known as a burster charge) which, when ignited by the fuse, produces a powerful supersonic shock wave that shatters the entire shell casing into many fragments that fly in all directions. [8]

  6. Shock diamond - Wikipedia

    en.wikipedia.org/wiki/Shock_diamond

    Shock diamonds are the bright areas seen in the exhaust of this statically mounted Pratt & Whitney J58 engine on full afterburner.. Shock diamonds (also known as Mach diamonds or thrust diamonds, and less commonly Mach disks) are a formation of standing wave patterns that appear in the supersonic exhaust plume of an aerospace propulsion system, such as a supersonic jet engine, rocket, ramjet ...

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Detonation - Wikipedia

    en.wikipedia.org/wiki/Detonation

    When used in explosive devices, the main cause of damage from a detonation is the supersonic blast front (a powerful shock wave) in the surrounding area. This is a significant distinction from deflagrations where the exothermic wave is subsonic and maximum pressures for non-metal specks of dust are approximately 7–10 times atmospheric ...

  9. AOL-reviewed: The Renpho eye massager has almost 17,000 five ...

    www.aol.com/lifestyle/renpho-eyeris-review...

    Read my full review below to find out! Amazon. RENPHO Eyeris 1 Eye Massager with Heat. The RENPHO eye massager offers five different modes including vibration, compression and heated massage and ...