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The hypersonic effect is a phenomenon reported in a controversial scientific study by Tsutomu Oohashi et al., [3] which claims that, ...
Hypersonic XLC, a roller coaster in Virginia, U.S. HSQLDB, previously known as the Hypersonic SQL Project, a relational database management system; Hyper Sonic, a super transformation in the video game Sonic 3 & Knuckles; Hyper Sonic (film), a 2002 direct-to-video film starring Antonio Sabàto, Jr. and Adam Baldwin
The film had a significant effect on popular culture worldwide. The film led the way for the growth in popularity of anime outside Japan as well as Japanese popular culture in the Western world. Akira is considered a forerunner of the second wave of anime fandom that began in the early 1990s and has gained a massive cult following since then.
Simulation of hypersonic speed (Mach 5) While the definition of hypersonic flow can be quite vague and is generally debatable (especially because of the absence of discontinuity between supersonic and hypersonic flows), a hypersonic flow may be characterized by certain physical phenomena that can no longer be analytically discounted as in supersonic flow.
The Silbervogel was the first design for a hypersonic weapon and was developed by German scientists in the 1930s, but was never constructed. [6]The ASALM (Advanced Strategic Air-Launched Missile) was a medium-range strategic missile program developed in the late 1970s for the United States Air Force; the missile's development reached the stage of propulsion-system testing, test-flown to Mach 5 ...
The Hypersonic effect apparently originates with a single research group whose results contain some contradictions and whose results have apparently never been independently reproduced. On the other hand, there is ample reproducible research indicating that ultrasonics are inaudible to humans.
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At hypersonic speeds, this effect becomes much more pronounced, due to the exponential reliance on the Mach number. Since the boundary layer becomes so large, it interacts more viscously with the surrounding flow. The overall effect of this interaction is to create a much higher skin friction than normal, causing greater surface heat flow.