Life-Cycle Analysis of Aircraft Turbine Engines

by J. R. Nelson

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Presents a methodology enabling the weapon-system planner to acquire early visibility of cost magnitudes, proportions, and trends associated with a new engine's life cycle, and to identify "drivers" that increase cost and can have the effect of lowering capability. Later in the life cycle, logistics managers can use the methodology and the feedback it produces for more effective system management. The procedure followed was to develop a theoretical framework for each phase of the life cycle; to collect and analyze data for each phase; to develop parametric cost-estimating relationships (CERs) for each phase; to use the CERs in examples to ascertain behavior and obtain insights into cost magnitudes, proportions, and trends, and to identify cost-drivers and their effects; and to examine commercial experience for cost data and operational and maintenance practices that could be profitable for the Air Force.

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