Mach number of uniform flow - Mach number of a celestial body

Japanese: 一様流のマッハ数 - いちようりゅうのまっはすう
Mach number of uniform flow - Mach number of a celestial body

…The Mach number defined in this way is called the local Mach number. In contrast, the Mach number far upstream of the wing is called the mainstream Mach number, or the uniform flow Mach number. Now, if the mainstream Mach number is gradually increased from 0, the local Mach number at the maximum speed point on the upper surface of the wing will reach 1 before it reaches 1. …

*Some of the terminology that refers to the "uniform flow Mach number" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このようにして定義されるマッハ数を局所マッハ数と呼ぶ。これに対して翼のずっと上流におけるマッハ数を主流のマッハ数,あるいは一様流のマッハ数と呼ぶ。 いま,主流のマッハ数を0から徐々に大きくしていくと,それが1になる前に翼の上面の最大速度の点における局所マッハ数は1になる。…

※「一様流のマッハ数」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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