NDLI: Reliability design method for steam turbine blades

Content Provider	Springer Nature Link
Author	Shi, Jinyuan
Copyright Year	2008
Abstract	Based on theories of probability and statistics, and taking static stresses, dynamic stresses, endurance strength, safety ratios, vibration frequencies and exciting force frequencies of blades as random variables, a reliability design method for steam turbine blades is presented. The purport and calculation method for blade reliability are expounded. The distribution parameters of random variables are determined after analysis and numerical calculation of test data. The fatigue strength and the vibration design reliability of turbine blades are determined with the aid of a probabilistic design method and by interference models for stress distribution and strength distribution. Some blade reliability design calculation formulas for a dynamic stress design method, a safety ratio design method for fatigue strength, and a vibration reliability design method for the first and second types of tuned blades and a packet of blades on a disk connected closely, are given together with some practical examples. With these methods, the design reliability of steam turbine blades can be guaranteed in the design stage. This research may provide some scientific basis for reliability design of steam turbine blades.
Starting Page	363
Ending Page	368
Page Count	6
File Format	PDF
ISSN	16737393
Journal	Frontiers of Energy and Power Engineering in China
Volume Number	2
Issue Number	4
e-ISSN	16737504
Language	English
Publisher	SP Higher Education Press
Publisher Date	2008-10-15
Publisher Institution	Chinese Universities
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	steam turbine blade vibration fatigue strength reliability design Power Engineering
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology

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