With the pitch ratio increased, Strouhal number, lift coefficient, power spectrum’s peak value, vortex street frequency and drag coefficient increased too. And the characteristic number of different row is different.
节距比增大,斯特罗哈数、升力系数、功率谱峰值、涡街频率以及时均阻力系数均随之增大,且各管排的特性参数值不同。
参考来源 - 气液两相圆柱绕流旋涡脱落特性的数值模拟The vortex shedding process in the wake behind the cylinder is described in detail, the relation of Strouhal number and Reynolds number chart is got, and further the topological structure of the vortex is analyzed by topology method.
详细分析了圆柱尾流中旋涡周期性脱落的过程，通过计算得出了不同间隙比下近壁圆柱绕流的旋涡脱落周期及其相应的斯特鲁哈数，并给出了斯特鲁哈数与间隙比雷诺数的关系曲线，而后用拓扑分析方法对流场旋涡的拓扑结构进一步做了分析。
参考来源 - 有限水深横流中近壁水平圆柱绕流的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Strouhal number in two-phase flow reduces with the increase of the void friction.
两相流斯特拉赫数随含气率的增加而减小。
Reynolds number effects on Strouhal number are very important in the study on Reynolds number of bridge decks.
斯特罗哈数的雷诺数效应是桥梁断面雷诺数效应研究中的一个重要问题。
On the basis of a huge quantity of measured data obtained is a universal relation of the gas liquid Strouhal number for the above cited case.
在测得大量数据的基础上，得出了此时气液两相斯托拉赫数的通用关系式。
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