“head coefficient”的概念、定义、翻译、参考文献-科学参考

单词	head coefficient
释义	head coefficient Chemical Engineering A dimensionless group used in the scale-up of centrifugal pumps: $C_{H} = \frac{g H}{N^{2} D^{2}}$ where H is the head developed, g is the gravitational acceleration, and N and D are the rotational speed and diameter of the impeller.
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