Pressure-Gain Combustion: Part I—Model Development-Reference-Cited by-同舟云学术

Pressure-Gain Combustion: Part I—Model Development

Published:1996-07-01 Issue:3 Volume:118 Page:461-468
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Narayanaswami L.¹,Richards G. A.²

Affiliation:

1. Embry-Riddle Aeronautical University, Daytona Beach, FL 32114

2. U.S. Department of Energy, Morgantown Energy Technology Center, Morgantown, WV 26507-0880

Abstract

A model for aerodynamically valved pulse combustion is presented. Particular emphasis is placed on using the model equations to identify characteristic length and time scales relevant to the design of pressure-gain combustors for gas turbine applications. The model is a control volume description of conservation laws for several regions of the pulse combustor. Combustion is modeled as a bimolecular reaction. Mixing between the fresh charge and the combustion products is modeled using a turbulent eddy time estimated from the combustor geometry and flow conditions. The model equations identify two characteristic lengths, which should be held constant during combustor scaleup, as well as certain exceptions to this approach. The effect of ambient operating pressure and inlet air temperature is also discussed.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/118/3/461/5888935/461_1.pdf

Reference19 articles.

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2. Broadwell J. E. , and BreidenthalR. E., 1982, “A Simple Model of Mixing and Chemical Reaction in a Turbulent Shear Layer,” J. Fluid Mech., Vol. 125, pp. 397–410.

3. Geiling, D. W., ed., 1993, Proc. Joint Contractors Meeting: FE/EE Advanced Turbine Systems Conference, FE Fuel Cells and Coal-Fired Heat Engines Conference, DOE/METC-93/6132, NTIS/DE93011308.

4. Gemmen, R. S., Richards, G. A., and Janus, M. C., 1994, “Development of a Pressure-Gain Combustor for Improved Cycle Efficiency,” presented at the ASME Cogen-Turbo Power Meeting, Portland, Oregon, Oct. 25–27.

5. Hawthorne W. R. , 1994, “Reflections on United Kingdom Aircraft Gas Turbine History,” ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER, 116, pp. 495–510.

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