The drag of airplane radiators with special reference to air heating : comparison of theory and experiment (1939)
NASA Technical Reports Server (NTRS) · leaf 48
N.A.C.A. Technical Memorandum No. 896 Figs. 19,20,21 … Figure 19.- Change in radiator drag A cw due to heating for equal Tjae in heated and unheated stage. Acw> 0 s drag increase due to qoe heating, cw^ « drag coefficient 1 of unheated core,r7ae = v^/vq s flow coefficient. qo3 • Aachen test data — Computed according to qo2 present report Figure 20.-…
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