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폐음향 경계조건을 갖는 가스터빈 연소기의 연소불안정 해석

A Combustion Instability Analysis of a Gas Turbine Combustor Having Closed Acoustic Boundaries at Both Ends


Combustion instability is a major issue in design of gas turbine combustors for efficient operation with low emissions. Combustion instability is induced by the interaction of the unsteady heat release of the combustion process and the change in the acoustic pressure in the combustion chamber. In an effort to develop a technique to predict self-excited combustion instability of gas turbine combustors, a new stability analysis method based on the transfer matrix method is developed. The method views the combustion system as a one-dimensional acoustic system with a side branch and describes the heat source as the input to the system. This approach makes it possible to use not only the advantages of the transfer matrix method but also well established classic control theories. The approach is applied to a gas turbine combustion system, which shows the validity and effectiveness of the approach.

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참고문헌 (8)

  1. Culick, F. E. C., 1989, Combustion instabilities in liquid-fueled propulsion systems-an overview, AGARD Conf. Proceedings, No. 450. 
  2. Dowling, P. E. and Stow, S. R., 2003, Acoustic analysis of gas turbine combustors, J. of Propulsion and Power, Vol. 19, No. 5, pp. 751-764. 
  3. Munjal, M. L., 1987, Acoustics of Ducts and Mufflers, Wiley, New York, pp. 121-130. 
  4. Kim, J. and Soedel, W., 1990, Development of general procedure to formulate four pole parameters by modal expansion and its application to three dimensional cavities, ASME Trans. J. of Vibration and Acoustics, Vol. 112, pp. 452-459. 
  5. Kadam, P. and Kim, J., 2007, Experimental formulation of four poles of three-dimensional cavities, Journal of Sound and Vibration, Vol.307, pp. 578-590. 
  6. Phillips, C. L. and Harbor, R. D., 2000, Feedback Control Systems, 4th ed., Prentice-Hall, Upper Saddle River, NJ. 
  7. Richards, G. A., Straub, D. L. and Robey, E. H., 2003, Passive control of combustion dynamics in stationary gas turbines, Journal of Propulsion and Power, Vol. 19, No. 5, pp. 795-810. 
  8. Cha, D. J., Kim, J. H. and Joo, Y. J., 2009, Analysis of the combustion instability of a model gas turbine combustor by the transfer matrix method, Journal of Mechanical Science and Technology, Vol. 23, pp. 1602-1612. 

이 논문을 인용한 문헌 (2)

  1. 2011. "" International journal of air-conditioning and refrigeration, 19(3): 231~238 
  2. Han, Hwa-Taik ; Lee, Dae-Young ; Kim, Seo-Young ; Choi, Jong-Min ; Kim, Su-Min ; Kwon, Young-Chul ; Baik, Yong-Kyu 2011. "Recent Progress in Air-Conditioning and Refrigeration Research : A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2010" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 23(6): 449~469 


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