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Active cooling of leading edges


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hcobb
PostPosted: Dec 21, 2011 - 02:57 AM Reply with quote Back to top
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To keep from being a red hot supercruiser, the F-22 uses active cooling of its leading edges. Is this fuel or some other liquid?
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madrat
PostPosted: Dec 21, 2011 - 05:46 AM Reply with quote Back to top
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It would have to be fuel, there certainly is plenty of heat gradient there to work with.
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popcorn
PostPosted: Dec 21, 2011 - 06:23 AM Reply with quote Back to top
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hcobb wrote:
To keep from being a red hot supercruiser, the F-22 uses active cooling of its leading edges. Is this fuel or some other liquid?


Is this actually confirmed? I understood special coatings are employed to distort the planes IR image.
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hcobb
PostPosted: Dec 21, 2011 - 05:33 PM Reply with quote Back to top
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Read: http://www.northropgrumman.com/analysis ... tealth.pdf
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