Active Predictive Control of Turbine Tip Clearance for Aero-Engine

Kai Peng; Ding Fan; Ran Ran Wu; Yu Qiang Teng

doi:10.4028/www.scientific.net/AMM.672-674.1531

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 672-674Active Predictive Control of Turbine Tip Clearance...

Active Predictive Control of Turbine Tip Clearance for Aero-Engine

Abstract:

Active control of turbine blade tip clearance continues to be a concern in design and control of gas turbines. Ever increasing demands for improved efficiency and higher operating temperatures require more stringent tolerances on turbine tip clearance. In this paper, a turbine tip clearance control apparatus and a model of turbine tip clearance are proposed. The active clearance control (ACC) of aero-engine turbine tip clearance is evaluated in a lapse-rate take-off transient, along with the comparative and quantitative analysis. The results show that the resultant active tip clearance control system has favorable steady-state and dynamic performance and benefits of increased efficiency, reduced specific fuel consumption, and additional service life.

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Periodical:

Applied Mechanics and Materials (Volumes 672-674)

Pages:

1531-1534

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.672-674.1531

Citation:

Cite this paper

Online since:

October 2014

Authors:

Kai Peng*, Ding Fan, Ran Ran Wu, Yu Qiang Teng

Keywords:

Active Clearance Control (ACC), Aero-Engine, Aircraft, Engine Health Management (EHM), Turbine Tip Clearance

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* - Corresponding Author

References

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