1·Void fraction is one of the basic parameters in steam liquid two phase flows. To date, the study of methods for calculating subcooled boiling void fraction mainly focused on high mass flow rates.
空泡率是汽液两相流动的基本参数之一，而已有过冷沸腾空泡率计算方法研究以高质量流速为主，且大量文献报道现有空泡率模型难以适用于低流速过冷沸腾工况。