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 7/10 Very Good --- blog.wired.com http://blog.wired.com/wiredscience/atom.xml
| Wired.com weighs in on the latest science news, including space, biology, disease, drugs and alcohol, geology, math, neuroscience, and physics. ... |
Monday, May 12, 2008 --- 71 days ago http://blog.wired.com/wiredscience/2008/05/nasa-and-jaxa-c.html
Last week NASA announced that they would begin working with the Japanese Aerospace Exploration Agency (JAXA) on a joint program to model sonic booms -- a key technology in the effort to create a viable supersonic commercial aircraft in the 2030-2035 time frame (you have to start somewhere).
A breakthrough in lowering the intensity of the sonic boom could allow for supersonic transport over land without "disturbance to the public." JAXA's target is to reduce the intensity of the sonic boom by 50%. The agency is planning to fly an uncrewed demonstrator vehicle, the Silent Supersonic Technology Demonstrator or S-Cube, up to Mach 1.4 in 2012 as a proof of concept.
The goal of the program is to produce an economically viable, environmentally comparable, quiet hypersonic airplane. Such a jet would be capable of transporting passengers from LA to Tokyo in half the time of a conventional jetliner. NASA's press release says that they hope that this collaboration with
be the first step of future aerospace research collaborations with
Japan including potential involvement with the S-Cube technology
demonstrator test program.
NASA is home to a unique collection of supersonic wind tunnels suitable for supporting supersonic research. NASA Glenn has two, and NASA Langley and Ames each have one. In Graham Warwick's Avation Week Blog he notes that NASA's previous Hight Speed Research program was phased out in 1999.
NASA and ... |
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