| 摘要 |
PROBLEM TO BE SOLVED: To provide cooled air having a low relative humidity by mixing under- floor cool air and indoor air in the case that an electronic instrument within a room having a raised floor structure is cooled. SOLUTION: A cooling method for the electronic instrument 11 cools the electronic instrument 11 by blowing air-conditioned cooling air 9 under the floor in the room having the raised floor structure. A windward side located under the floor is closed, a leeward side is opened, and a top side is in communication with the interior of the room. An air mixing means 31 for mixing indoor air and under-floor blowing air is provided. The indoor air is induced into the air mixing means 31 by passage of the under-floor cool air to mix the indoor air and the under-floor air under the floor, and the instrument 11 is air-cooled by the mixed air from under the floor.
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