After the runner layout and gate size were decided, it could adjust runner size iteratively based on the of flow simulation results.

利用流动模拟结果，在流道布置及浇口尺寸确定后对分流道尺寸进行优化。

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Whilst being fairly compact in size, the construction of a Michell turbine requires substantial structures since a small runner can still produce output power comparable to a Mack truck.

虽然目前的规模相当紧凑，一个米歇尔涡轮建设需要大量的结构，因为一个小运动员仍然可以产生输出功率相当于一个麦克卡车。

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"The size of your feet change, and shoes don't fit you right, " says Thom David, a barefoot runner from Oceanside, Calif.

WSJ: Barefoot Jocks Keep Gym Members on Their Toes