water-to-steam ratio 冷却倍率
Some vital points to be heeded concerning steam temperature regulation and coal water ratio in supercritical boiler are mentioned.
提出了超临界锅炉汽温调节和煤水比调节应注意的几个主要问题。
A condensation ratio coefficient is introduced to obtain the steam volume under water level in the drum.
引入凝结比例系数，简化了汽包液面下汽容积的求取。
The developed device can respond to the change of vapor-to-water ratio directly, and can be used in small working space in the steam with high temperature and pressure.
研制的测量装置直接对汽液两相流的比例变化产生响应，能够应用于高温高压及狭窄工作空间的输汽环境中。
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