Affiliation:
1. Rolls-Royce Military Aero Engines Limited Filton, Bristol
Abstract
Statistical failure analysis of aero gas turbines presents many special problems. Various difficulties must be overcome, including the paucity and form of available data with its heavily censored nature, selecting the right analysis method, the validity of the underlying modelling assumptions and the correct interpretation of the results. This paper outlines the formal Rolls-Royce approach to quantifying numerical risk for safety and reliability, and the pivotal role played by the Weibull distribution. It reviews the generic forms of the censored failure data obtained from test and service environments. The limitations of the current analysis techniques are reviewed.
Subject
Mechanical Engineering,Aerospace Engineering
Reference9 articles.
1. Bazovsky I Reliability Theory and Practice, 1961, p. 58 (Prentice-Hall, Englewood Cliffs, New Jersey).
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