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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuels

Investigation of Two Advanced Cooling Mixing Concepts for a Rich Quench Lean Combustor

[+] Author and Article Information
O. Diers, J. Koopman, M. Fischer, C. Hassa

German Aerospace Center, Institute of Propulsion Technology, 51170 Köln, Germany

J. Eng. Gas Turbines Power 124(4), 784-791 (Sep 24, 2002) (8 pages) doi:10.1115/1.1473823 History: Received December 01, 2000; Revised March 01, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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References

Verdier, L., 1997, “The European Low NOx Emission Combustor Technology Initiative,” Aerodays Conference.
Briehl, D., Schultz, D. F., and Ehlers, R., 1983, “A Variable Geometry Combustor Used to Study Primary and Secondary Zone Stoichiometry,” ASME Paper 83-GT-00-9.
Novick,  A. S., Troth,  D. L., and Yacobucci,  H. G., 1982, “Design and Preliminary Results of a Fuel Flexible Industrial Gas Turbine Combustor,” ASME J. Eng. Gas Turbines Power, 104, pp. 368–376.
Hasegawa, T., Sato, M., and Ninomiya, T., 1997, “Effect of Pressure on Emission Characteristics in LPG-Fueled 1500°C-Class Gas Turbine,” ASME Paper 97-GT-277.
Griebel, P., Fischer, M., Hassa, C., Magens, E., Nannen, C., Winandy, A., Chryszostomou, A., Meier, U., and Stricker, W., 1997, “Experimental Investigation of an Atmospheric Rich Quench Lean Combustor Sector for Aeroengines,” ASME Paper 97-GT-146.
Zarzalis, N., Hohmann, S., Hettel, M., Merkle, K., Klose, G., Meier, R., Koch, R., Wittig, S., Carl, M., Behrendt, T., Hassa, C., Meier, U., Lückerath, R., and Stricker, W., 2000, “Rich-Lean Combustor Development,” submitted to Aerospace Science & Technology.
Liscinsky, D. S., True, B., and Holdeman, J. D., 1993, “Experimental Investigation of Crossflow Jet Mixing in a Rectangular Duct,” AIAA Paper 93-2037.
Doerr, Th. and Hennecke, D. K., 1993, “The Mixing Process in the Quenching Zone of the Rick-Lean-Combustion Concept,” AGARD-CPP 536.
Migueis, C. E., 1996, “Untersuchung zur Optimierung einer fett-mager gestuften Ringbrennkammer,” DLR FB 96-33.
Holdeman,  J., Srinivasan,  R., Coleman,  E., Meyers,  E., and White,  C., 1987, “Effects of Multiple Rows and Noncircular Orifices on Dilution Jet Mixing,” J. Propul. Power 3, pp. 219–226.
Schütz, H., Eickhoff, H., Theisen, P., and Koopman, J., 1997, “Analysis of the Mixing Zone of an Air Staged Combustor,” ISABE Paper 97-7225.
Amsden, A. A., O’Rourke, P. J., and Butler, T. D., 1989, “KIVA II: A Computer Program for Chemically Reacting Flows With Sprays,” Los Alamos Laboratory Report LA-11560-MS.
Hassa, C., Behrendt, T., and Griebel, P., 1996, “LDA-Messungen in Einem Atmosphärischen Fett-Mager-Brennkammersektor für Flugtriebwerke, Lasermessmethoden in der Strömungstechnik,” 5 , Fachtagung der GALA, Shaker Verlag, Aachen, pp. 35.1–7.
Fischer, M., Griebel, P., Magens, E., and Winandy, A., 1996 “CARS Temperature Measurements in a Rich Quench Lean Combustion Chamber for Aeroengines,” DLR IB-325-11-96.
Stursburg, K., Behrendt, T., Heinze, J., and Hassa, C., 1999, “Druckeinfluβ auf die magere Stabilitätsgrenze, KEROMIX Abschluβbericht,” DLR-IB-325-09-99.

Figures

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Side view of combustor first configuration
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Side view of second configuration
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Measurement planes and upper side of first configuration, axial plane positions in mm behind the nozzle exit
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Measurement planes and lower side of liner second configuration, axial plane positions in mm behind the nozzle exit
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TFN, RFTN, NO, and combustion efficiency average of measurement of planes at x=48, 78, 95, and 108 mm
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Interpolated vector plot of measured velocities in nozzle center area
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Thermocouple temperatures in nozzle center plane
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Calculated temperature distribution of first configuration
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Mass and arithmetically averaged EI_TFN for several primary zone air fuel ratios (AFR)
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Axial development of nitrogen emission indices (upper: EI_TFN, middle: EI_RTFN, lower: EI_NO), calculated with molecular weight of NO2 for a primary zone AFR of 8.4
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Interpolated velocity vectors, axial velocity as gray scale, histograms with axial velocities in nozzle area (upper: position over primary zone cooling air orifice, lower: position over secondary air inlet hole)
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Flame tube boundary and mixing hold configuration for modified mixing hold design

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