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Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles

 
TheToolMan
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03/08/2016 02:24 PM
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Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles
Carter revealed during a speech in California that part of the $71.8 billion for weapons research and development this year will fund “new hypersonic missiles that can fly over five times the speed of sound.”

Days earlier, the general in charge of Air Force weapons research, Maj. Gen. Thomas Masiello, revealed that two technology prototypes of hypersonic strike weapons, a scramjet powered cruise missile and a hypersonic glider, could be ready in four years.

“We’re looking for more singles, base hits, versus trying to go for a home run,” Masiello said of hypersonic missile development during a conference Feb. 26. The effort will build on several tests in recent years of a Boeing X-51 scramjet hypersonic missile.

The X-51 had one successful flight out of three tests and reached speeds of over Mach 5, or 3,836 miles per hour.

An Army hypersonic missile test designed to glide to its target after launch on a booster rocket blew up shortly after launch in August 2014. That missile concept is part of the Pentagon’s “prompt global strike” program that will receive $181 million this year.

Masiello said past X-51 tests should not prompt an end to hypersonic arms development. “You have to build an environment that allows failure because if you don’t you’re not going to be pushing the boundaries of technology,” he said.

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Anonymous Coward
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03/08/2016 02:35 PM
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Re: Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles
Hypersonic regime is aerodynamically interesting. Not only you have high-supersonic flow and shockwaves to deal with, but you also get a number of chemical reactions induced by the extreme kinetic energy of the projectile. In other words, the surface of the projectile/missile/plane becomes a supersonic flow reactor. It's horribly complicated to model even on a supercomputer. The computing power is not the issue, but the complex non-linear equations that govern the aerodynamic flow. Non-linearity means that everything affects everything and even small changes in the initial values or boundary conditions (e.g. shape of the projectile) will result in drastically changed flow far away from the perturbation.
Anonymous Coward
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03/08/2016 02:37 PM
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Re: Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles
SLAMs would be hard to neutralize
Anonymous Coward
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03/08/2016 02:42 PM
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Re: Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles
Hyper sonic cool....why even have a military with Hypes sonic we can go right from the factory to the target ......
JJBYYZ :>
TheToolMan  (OP)

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03/08/2016 02:45 PM
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Re: Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles
Hypersonic regime is aerodynamically interesting. Not only you have high-supersonic flow and shockwaves to deal with, but you also get a number of chemical reactions induced by the extreme kinetic energy of the projectile. In other words, the surface of the projectile/missile/plane becomes a supersonic flow reactor. It's horribly complicated to model even on a supercomputer. The computing power is not the issue, but the complex non-linear equations that govern the aerodynamic flow. Non-linearity means that everything affects everything and even small changes in the initial values or boundary conditions (e.g. shape of the projectile) will result in drastically changed flow far away from the perturbation.
 Quoting: Anonymous Coward 69538569


MORE POWER!!!

ttspinning
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TheToolMan  (OP)

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03/08/2016 02:46 PM
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Re: Hypersonic Arms Race Heats Up as U.S. Builds High-Speed Missiles
Hyper sonic cool....why even have a military with Hypes sonic we can go right from the factory to the target ......
JJBYYZ :>
 Quoting: Anonymous Coward 17732560


That would be called "Just in Time Delivery"
"My mom said the only reason men are alive is for lawn care and vehicle maintenance."





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