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THE DIAGNOSIS OF TURBINE COMPONENT DEGRADATION - CASE HISTORIES

机译：涡轮组件劣化的诊断 - 案例历史

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In this paper several cases of steam and gas turbine components wearing-out are described. The wearing-out of the steam path components were identified during operation of the machine and verified during overhaul. The diagnosis of the wearing out principally of the blades and seals was carried out before the overhauls. The diagnosis results were useful to indicate major problems to the personal of the plants. The estimation of degrees of wearing-out of the steam turbine components was conducted applying a simplified flow equation [1] considering three key pressures. As far as the gas turbine is concerned the output capacity and pressures, temperature and air and gas flow were measured and analyzed. The results obtained during on-line analysis were confirmed by measurements of the dimensions of wearied-out components during the overhaul which were treated as an input data to a program which calculated losses. Also, the results obtained from a special computer program proved the usefulness of the applied methods.
机译：在本文中，描述了几种蒸汽和燃气轮机部件磨损的情况。在机器的操作期间识别蒸汽路径部件并在大修期间验证。主要是刀片和密封件的佩戴的诊断在横向之前进行。诊断结果对于指示植物的个人问题是有用的。考虑三个键压进行了简化的流动方程[1]，进行了蒸汽轮机部件的磨损程度的估计。就燃气轮机而言，涉及输出能力和压力，测量和分析温度和空气流动和气体流动。在直行分析期间获得的结果通过测量在大修期间的疲劳部件的尺寸进行了测量，这被视为对计算损失的程序的输入数据。此外，从特殊计算机程序获得的结果证明了应用方法的有用性。

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