...This is a test carried out when designing ice-breaking cargo ships, ice-breaking tankers, ice-sea structures, etc. (3) Cavitation test Cavitation, which has harmful effects such as damage to the propeller blades and vibration of the hull, often occurs in the propellers of large ships. In a cavitation test, the propeller is rotated in a circulating water tank (cavitation tank), and the occurrence of cavitation is observed and the blade surface pressure is measured. This test is intended to develop a propeller shape that is not adversely affected by cavitation, and to conduct basic research on the occurrence and damage of cavitation. ... *Some of the terms used in cavitation testing are explained below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…砕氷貨物船,砕氷タンカー,氷海構造物などの設計の際に行われる試験である。(3)キャビテーション試験 大型船のプロペラでは,プロペラ翼の損傷,船体振動などの有害な影響を及ぼすキャビテーションが発生することが多い。キャビテーション試験は,回流型の水槽(キャビテーション水槽)中でプロペラを回転させ,キャビテーションの発生の観察,翼面圧力の計測などを行い,キャビテーションによる悪影響のないプロペラ形状の開発や,キャビテーションの発生や損傷に関する基礎的な研究を行うための試験。… ※「キャビテーション試験」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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