Cleansing fire

David Jones

Nature, 1998, vol. 392, issue 6677, 662-662

Abstract: Daedalus's ground-effect ramjet, or gramjet, was invented to fly low over a flat track, compressing the air in front of it, heating it underneath with burners, and gaining thrust from exhaust gases expanding against the upward-sloping rear surface. He now wants to run them over water, to clean up oil slicks: the gramjet would burn some of the oil and oxidize some of the rest, and the detergents thus created would disperse the remaining oil to leave a perfectly clean wake. A thick enough slick might even provide enough fuel for the gramjet to run for free.

Date: 1998
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DOI: 10.1038/33564

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