…So, most modern aircraft, except for simple light aircraft and helicopters, maintain the air pressure inside the cabin higher than the outside atmospheric pressure to maintain the low-altitude air pressure when flying at high altitudes. This is called pressurization, and the pressurized part is called a pressurized cabin. In transport aircraft, the fuselage itself is an airtight pressurized fuselage, and the cross section is often a circle or a combination of arcs that are advantageous for withstanding the pressure difference between the inside and outside of the fuselage (Figure). … *Some of the terminology that refers to "pressurized cabin" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…そこで現在の航空機は,軽飛行機のうちの簡単なものやヘリコプターを除くほとんどが,高空を飛行中は,室内の気圧を外の大気圧より上げて低高度の気圧に保つようにしている。これを与圧といい,与圧する部分を与圧室pressurized cabinと呼ぶ。輸送機などは胴体のほぼ全部を与圧室とする必要があるので,胴体そのものを気密構造の与圧胴体とし,横断面は内外の圧力差に耐えるのに有利な円形または円弧を組み合わせた形が多い(図)。… ※「pressurized cabin」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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