An investigation of aircraft heaters XXXIII : experimental determination of thermal and hydrodynamical behavior of air flowing along finned plates

I. M. K. Boelter, R. Leasure, F. E. Romie
naca-tn-2072
Mar 1950


An experimental investigation has been performed on the thermal and hydrodynamical behavior of air flowing along a steam-heated plate to which were attached cylindrical fins five-sixteenth inch in diameter and five-eighths inch long. Local values of unit thermal conductance per row of fins were obtained for air flowing in a, variable-width, rectangular duct, variation of hydraulic diameter.

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