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Summary:It is an object to provide a heat exchanger which allows efficient heat exchange between a first fluid and a second fluid which flows inside the heat exchanger. A heat exchanger 11 includes a heat exchanger main body 31 which is housed inside a case 12 where a first fluid flows and which houses a second fluid therein. The heat exchanger main body 31 has a plurality of first passages 34 which are disposed such that the first fluid flows across the inside of the heat exchanger main body 31. In a side view from one direction, the heat exchanger main body 31 has a shape which is left-right symmetric about the central axis of the case 12 and of which the upstream side protrudes farther in the upstream direction toward the center. The first passages 34 extend parallel to the central axis of the case 12, and are formed to be longer as they are disposed closer to the center of the heat exchanger main body 31.
Bibliography:Application Number: KR20157021524