The drag of airplane radiators with special reference to air heating : comparison of theory and experiment (1939)
NASA Technical Reports Server (NTRS) · leaf 47
18af18b Pigs. N.A..C.A. Technical Memorandum No. 896 … Figure 18a.- Chart defining influence quantity large temperature range (hot and cold radiator adjusted to equal airflow tj&e) . Figure 18b.- Chart defining influence quantity <p^\ small temperature range (hot and cold radiator adjusted to equal airflow 77ae) .
NASA Technical Reports Server (NTRS)
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