Mechanisms of Sand and Dust Erosion in Gas Turbine Engines
- 30 June 1969
- report
- Published by Defense Technical Information Center (DTIC)
Abstract
Dust erosion damage of military gas turbines is a serious problem in many current service areas. The subject program is designed to gain an improved understanding of the various mechanisms of dust erosion, as a basis for possible future development of turbine materials with improved innate erosion resistance. A materials science approach to the problem is emphasized, to observe, measure, and study erosion phenomena at the target surface. The object is to define working physical and mathematical models of the erosion processes, from consideration of both erosion data and phenomenological information gathered. The report describes three functional tasks: (1) the execution of the erosion test program, including the design and construction of special test equipment, (2) the analysis of erosion data and development of physical and mathematical models to define erosion mechanisms, and (3) organization of the erosion data in forms useful to the design engineer and the materials development specialist.Keywords
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