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Implications of engine deterioration for creep life

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  • Naeem, M.
  • Singh, R.
  • Probert, D.

Abstract

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.

Suggested Citation

  • Naeem, M. & Singh, R. & Probert, D., 1998. "Implications of engine deterioration for creep life," Applied Energy, Elsevier, vol. 60(4), pages 183-223, August.
    • Handle: RePEc:eee:appene:v:60:y:1998:i:4:p:183-223
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    References listed on IDEAS

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    1. Naeem, M. & Singh, R. & Probert, D., 1998. "Implications of engine deterioration for fuel usage," Applied Energy, Elsevier, vol. 59(2-3), pages 125-146, February.
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    Cited by:

    1. Kiaee, Mehrdad & Tousi, A.M., 2021. "Vector-based deterioration index for gas turbine gas-path prognostics modeling framework," Energy, Elsevier, vol. 216(C).
    2. Naeem, M. & Singh, R. & Probert, D., 2001. "Consequences of aero-engine deteriorations for military aircraft," Applied Energy, Elsevier, vol. 70(2), pages 103-133, October.
    3. Aretakis, N. & Roumeliotis, I. & Doumouras, G. & Mathioudakis, K., 2012. "Compressor washing economic analysis and optimization for power generation," Applied Energy, Elsevier, vol. 95(C), pages 77-86.

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