Some Recent Advances in the Understanding and Prediction of Turbomachine Subsonic Stall Flutter

Author:

Chi R. M.1,Srinivasan A. V.1

Affiliation:

1. Applied Mechanics Research, United Technologies Research Center, East Hartford, Conn. 06108

Abstract

In this paper, some recent advances in the understanding and prediction of subsonic flutter of jet engine fan rotor blades are reviewed. Among the topics discussed are (i) the experimental evidence of mistuning in flutter responses, (ii) new and promising unsteady aerodynamic models for subsonic stall flutter prediction, (iii) an overview of flutter prediction methodologies, and (iv) a new research effort directed toward understanding the mistuning effect on subsonic stall flutter of shrouded fans. A particular shrouded fan of advanced design is examined in the detailed technical discussion.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Cited by 7 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Machine Learning Based Sensitivity Analysis of Aeroelastic Stability Parameters in a Compressor Cascade;International Journal of Turbomachinery, Propulsion and Power;2021-09-15

2. On the Importance of Engine-Representative Models for Fan Flutter Predictions;Journal of Turbomachinery;2018-07-26

3. Influence of Intake on Fan Blade Flutter;Journal of Turbomachinery;2015-08-01

4. Mechanisms for Wide-Chord Fan Blade Flutter;Journal of Turbomachinery;2011-04-27

5. Mechanisms and Prediction Methods for Fan Blade Stall Flutter;Journal of Propulsion and Power;2001-09

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