Experimental investigation on the improvement of a speed measuring pump for a marine steam turbine unit

被引：0

作者：

Liu, Quan-En ^{[1
]}

Liu, Jiang ^{[1
]}

Song, Cheng-Lin ^{[1
]}

Qiu, Zu-Fa ^{[1
]}

机构：

[1] Harbin No. 703 Research Institute, Harbin, Post Code: 150036, China

来源：

Reneng Dongli Gongcheng/Journal of Engineering for Thermal Energy and Power | 2002年 / 17卷 / 04期

关键词：

Leakage (fluid) - Marine applications - Pumps - Seals;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The theoretical calculation of oil leakage of a speed-measuring pump with either plate-type or floating-type seal construction has been performed and the oil leakage as influenced by the seal gap change in these two types of seal construction compared and identified. On this basis the authors have come up with an improved version. A test was conducted of the speed-measuring pump with a floating type seal construction and reliable conclusions obtained. All the above has provided a theoretical and experimental basis for the improvement of an over-speed protection device for a main steam turbine.

引用

页码：391 / 392

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