| 摘要 |
PROBLEM TO BE SOLVED: To efficiently process exhaust heat by preventing exhaust heat wraparound.SOLUTION: An air conditioning system includes a line of a plurality of racks housing a device and arranged opposite to each other across a passage to supply air from the front of the device and to exhaust heated air from the rear, and an air conditioner, in which cooling air blown out of the air conditioner cools the device and is then sucked again into the air conditioner from above the line of racks. In the air conditioning system, an air curtain generation unit for forming an air curtain upward is provided at an upper end of a hot aisle side of the line of the racks, a return air opening is provided on a ceiling in a manner to face the air curtain generation unit, and a suction air quantity by a fan of the air conditioner is made larger than a blowout air quantity of the air curtain generation unit to form an aisle with air at an upper part at the hot aisle side. |
