汽轮机末级湿度测量方法研究现状及其发展

Situation and Development of Steam Wetness Measurement in Turbine Exhaust Casing

湿蒸汽参数的准确测量，对汽轮机的经济性和安全性具有重大意义。对这一课题的研究进展以及研究现状进行了讨论，并着重介绍了加热法和光学法。同时还介绍了此课题研究的最新动态。

Measured wetness of saturated steam plays an important role in the thermal efficiency and safety of condensing turbine. In this paper, the historical and current developments of this technology are introduced. Among the many methods for measuring the wetness of flowing wet steam, the heating method and optical method are discussed in more detail. In the mean time, this paper presents some new trands in the future.