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Scramjet Success in Australia

Posted by chrisd on from the faster-than-a-speeding-uh-sr71 dept.

glengyron writes "Australia's ABC reports today that a University of Queensland team have successfully tested a supersonic scramjet (air-breathing supersonic combustion ramjet engine). Read more here or here. Great to see after previous problems. Does the future of air travel still include those breakfast egg-roll things?"

1 of 237 comments (clear)

  1. Re:A little more info by tony_gardner · · Score: 5, Insightful

    Unfortunately, the diagram is not totally correct. It's possible to have scramjets with duct convergences, and ramjets without duct convergences. The difference lies in the fact that in a ramjet the air becomes subsonic, and in a scramjet the air does not become subsonic.
    Making the air subsonic provides a great deal of control over the combustion process, thus the problem with scramjets.