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맨큐의 경제학 6판, 맨큐의 거시경제학 7판, 열전달 5판 11장 Heat_5e_SM_Chap11-- Heat and Mass Transfer: Fundamentals & Applications 5th Edition Yunus A. Cengel & Afshin J. Ghajar McGraw-Hill, 2015 11-1C Heat exchangers are classified according to the flow type as parallel flow, counter flow, and cross-flow arrangement. In parallel flow, both the hot and cold fluids enter the heat exchanger at the same …