Results show that the two-phase Strouhal number is a variable and is affected by void fraction, body size and flow rate etc.

• 结果表明，气液两相斯特罗哈数在两相工况下为一变数，在来流截面含气率小于10%25时，与来流截面含气率、涡街发生体的迎流面宽度、来流流速等因素有关；