Pleasant Air Conditioning - Kaikankuukichowa

Japanese: 快感空気調和 - かいかんくうきちょうわ
Pleasant Air Conditioning - Kaikankuukichowa

...Originally, air conditioning was used in factories to maintain consistent product quality, and the first full-scale air conditioner is said to have been installed in a printing factory in Brooklyn, America in the early 20th century.
[Air conditioning method]
Air conditioning can be broadly divided into pleasure air conditioning, which aims to create a comfortable environment for the people in the room, and industrial air conditioning, which maintains conditions suitable for the items handled in the room and the work involved in processing them. Naturally, the appropriate indoor conditions will differ depending on the use of the room, but the room temperature can be maintained at the target value by sending cool air to a room that would become hot if left alone, and warm air to a room that would become cold. If the humidity exceeds the target value, dry air can be sent, if it is below, humid air can be sent, and if the dust or gas concentration exceeds the allowable value, low-concentration (clean) air can be sent.

*Some of the terminology used in relation to "pleasant air conditioning" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…元来,空気調和は工場において製品の品質を均一に保つことを目的として利用されたものであり,本格的な空気調和機は20世紀初頭アメリカでブルックリンの印刷工場に設置されたのが最初とされている。
[空気調和の方法]
 空気調和は在室者にとって快適な環境をつくろうとする快感空気調和と,その室内で扱われる物品やそれを加工する作業に適した状態を維持する産業空気調和に大別される。室の用途が異なれば当然それに適した室内状態も異なるが,そのままほうっておいたら暑くなってしまう室には温度の低い空気を,寒くなってしまう室には温度の高い空気を送って室温を目標値に保つことができ,湿度が目標値を上回る場合は乾いた空気を,下回る場合は湿分の多い空気を,また塵埃やガスの濃度が許容値を超えるときには濃度の低い(清浄な)空気を送ればよい。…

※「快感空気調和」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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