Evaluation of Advanced Two-Phase Flow and Combustion Models for Predicting Low Emission Combustors

Author:

Klose G.1,Schmehl R.1,Meier R.1,Maier G.1,Koch R.1,Wittig S.1,Hettel M.2,Leuckel W.2,Zarzalis N.2

Affiliation:

1. Institut fu¨r Thermische Stro¨mungsmaschinen, Universita¨t Karlsruhe (TH) Karlsruhe 76128, Germany

2. Engler-Bunte-Institut, Universita¨t Karlsruhe (TH), Karlsruhe 76128, Germany

Abstract

The development of low-emission aero-engine combustors strongly depends on the availability of accurate and efficient numerical models. The prediction of the interaction between two-phase flow and chemical combustion is one of the major objectives of the simulation of combustor flows. In this paper, predictions of a swirl stabilized model combustor are compared to experimental data. The computational method is based on an Eulerian two-phase model in conjunction with an eddy dissipation (ED) and a presumed-shape-PDF (JPDF) combustion model. The combination of an Eulerian two-phase model with a JPDF combustion model is a novelty. It was found to give good agreement to the experimental data.

Publisher

ASME International

Subject

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

Reference10 articles.

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2. Ishii, M., 1975, Thermo-Fluid Dynamic Theory of Two Phase Flow, Eyrolles, 1975.

3. Schmehl, R., Klose, G., Maier, G., and Wittig, S., 1998, “Efficient Numerical Calculation of Evaporating Sprays in Combustion Chamber Flows,” 92nd Symp. on Gas Turbine Combustion, Emissions and Alternative Fuels, RTO Meeting Proceedings 14.

4. Schmehl, R., Klose, G., Koch, R., and Wittig, S., 1998, “Droplet Evaporation and Transport,” Technical Report, BRITE/EURAM Low NOx Phase III, Institut fu¨r Thermische Stro¨mungsmaschinen, Universita¨t Karlsruhe (TH).

5. Lilleheie, N. I., Byggstyl, S., and Magnussen, B. F., 1989, “Calculations of a Methane Turbulent Diffusion Flame Using Detailed Chemical Kinetics in the Eddy Dissipation Concept,” Technical Report, SINTEF/Norwegian Institute of Technology Division.

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