inner flow field的用法和樣例：
例句
- The flow fields of the impellers were calculated by solving three-dimensional Navier-Stokes equations.
對這兩個離心壓氣機葉輪內部流場進行了三維粘性計算，給出了計算結果。 - In this article, six kinds of reverse Brayton cycles of helium are studied analytically and the flow field of the header of their heat exchangers is simulated numerically.
本文正是基於上述考慮，選取了六種氦氣逆布雷頓製冷循環模式，並對其進行了熱力學分析，詳細地討論並對比了各個循環模式的用能情況，同時還對迴路中採用的換熱器封頭內部流場進行了數值模擬。
