United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 182
- rougli. 2. The smoked surface dissipated about 10 per cent less heat than the fairly rough one. 3. Oiling the polished surface had very little effect on its heat transfer. 4. The roughened surface was not much different in its heat transfer from the originalsurface. MeonSpeecf Through… … I 2 3 AirHow Through Tube - grn./sec The considerable difference in heat transfer between the fairly rough and the highly polishedsurfaces may be accounted for by the fact that roughness allows a blanket of more or less stagnant 154 ANNUAL REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS. air to…
Aeronautics
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