Implications of engine deterioration for creep life
World developments have led the armed forces of many countries to become more aware of how their increasingly-stringent financial budgets are spent. One major expenditure for military authorities is upon aero-engines. Deterioration of an engine generally results in a lower specific thrust and higher specific fuel-consumption for the same spool speeds and turbine-entry temperatures. In order to meet the thrust requirement for the same aircraft's performance, the engines are run at higher spool speeds and/or turbine-entry temperatures. This results in greater rates of fuel consumption, and a shorter life (due to the greater creep damage and low-cycle fatigue incurred). Possessing a better knowledge, of the impacts of engine deterioration on an aircraft's operational performance as well as its fuel and residual life-expectancy, helps the users to improve engine utilization.
Year of publication: |
1998
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Authors: | Naeem, M. ; Singh, R. ; Probert, D. |
Published in: |
Applied Energy. - Elsevier, ISSN 0306-2619. - Vol. 60.1998, 4, p. 183-223
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Publisher: |
Elsevier |
Saved in:
Online Resource
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