Kelvin's circulation theorem

（重定向自Kelvin Circulation Theorem）

In fluid mechanics, Kelvin's circulation theorem (named after William Thomson, 1st Baron Kelvin who published it in 1869) states In a barotropic ideal fluid with conservative body forces, the circulation around a closed curve (which encloses the same fluid elements) moving with the fluid remains constant with time. Stated mathematically:

单词	Kelvin Circulation Theorem
释义	Kelvin Circulation Theorem 英语百科 Kelvin's circulation theorem （重定向自Kelvin Circulation Theorem） In fluid mechanics, Kelvin's circulation theorem (named after William Thomson, 1st Baron Kelvin who published it in 1869) states In a barotropic ideal fluid with conservative body forces, the circulation around a closed curve (which encloses the same fluid elements) moving with the fluid remains constant with time. Stated mathematically:
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