The results show that the quality of carbon dioxide was much lower than other refrigerants when annular flow occurs and the heat transfer rate changed abruptly through the dryout point.

• 结果表明，与传统制冷剂相比，二氧化碳出现环状流以及发生干涸时的干度值要低得多，并且干涸点前后其表面传热系数变化极大。