湍流粘性系數 的英文怎麼說
中文拼音 [liúniánxìngxìshǔ]
湍流粘性系數
英文
coefficient of eddy viscosity- 湍 : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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If the two - equation turbulence models employ a linear relationship between the reynolds stress and the mean strain - rate tensors, this relationship is known as the generalized boussinesq model, the two - equation models can be extended for a wider range of applicability by developing more advanced nonlinear algebraic relations between the stress tensor and the mean - velocity gradient and the turbulent scales, this is known as explicit algebraic stress models ( easm )
另一個是構成模型,即決定應力張量、應變率張量和兩個湍流尺度因子之間的函數關系式,它決定了雷諾應力。如果構成模型是線性的,則為boussinesq渦粘模型( evm ) ,如果構成模型是非線性的代數關系式,則為顯式代數應力模型( easm ) 。
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