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http://dx.doi.org/10.6108/KSPE.2018.22.4.044

Design of Venturi Dump Surface for Pre-filming Airblast Injector  

Shin, Dongsoo (Department of Aerospace and Mechanical Engineering, Graduate School, Korea Aerospace University)
Choi, Myunghwan (Department of Aerospace and Mechanical Engineering, Graduate School, Korea Aerospace University)
Radhakrishnan, Kanmaniraja (Department of Aerospace and Mechanical Engineering, Graduate School, Korea Aerospace University)
Koo, Jaye (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Jung, Seungchai (Hanhwa Aerospace R&D Center)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.22, no.4, 2018 , pp. 44-54 More about this Journal
Abstract
In a spray experiment using a venturi mounted on a lean premixed LPP injector, droplets appear to have non-uniform distributions. To solve this problem, the exit angle of the venturi was changed to form a dump surface on the nozzle neck. The dump surface improved the atomization performance and minimized droplet loss while forming recirculation zone in the venturi exit. In order to solve the non-uniform spray of the injector, the flow characteristics inside the venturi and SMD of the spray are compared. Finally, an optimum venturi shape is selected to minimize the spray loss and improve the spray performance.
Keywords
Lean Premixend Prevaporized; Pre-filming Airblast Injector; Venturi; Dump Surface;
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  • Reference
1 Lefebvre, A.H., Gas Turbine Combustion: Alternative Fuels and Emissions, 3rd ed., CRC press, Florida, F.L., USA, Ch.1, 2010.
2 "Annual Report of the Council 2012," retrieved 10 Sep. 2017 from http://www.icao.int/publications/Documents.
3 Lee, C.M., Chang, C., Herbon, J.T. and Kramer, S.K., "NASA Project Develops Next Generation Low-Emissions Combustor Technologies," 51th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Grapevine, T.X., U.S.A., AIAA 2013-0540, Jan. 2013.
4 Yamamoto, T., Shimodaira, K., Kurosawa, Y. and Yoshida, S., "Combustion Characteristics of Fuel Staged Combustor for Aeroengines at LTO Cycle Conditions," In Proceedings of ASME Turbo Expo 2011: Turbine Technical Conference and Exposition, Vancouver, British Columbia, Canada, pp. 951-958, Jun. 2011.
5 Lazik, W., Doerr, T., Bake, S., Bank, R.v.d. and Rackwitz, L., "Development of Lean-Burn Low-NOx Combustion Technology at Rolls-Royce Deutschland," In ASME Turbo Expo 2008: Power for Land, Sea, and Air, Berlin, Germany, pp. 797-807, Jun. 2008.
6 Burkhalter, M.W., "Atomization and Mixing Performance of Swirl-Venturi Lean Direct Injection," MS thesis, Department of Mechanical Engineering, Iowa University, Iowa City, I.A., U.S.A., 2014.
7 Dhanuka, S.K., Temme, J.E. and Driscoll, J., "Unsteady Aspects of Lean Premixed Prevaporized Gas Turbine Combustors: Flame-Flame Interactions," Journal of Propulsion and Power, Vol. 27, No. 3, pp. 631-641, 2011.   DOI
8 Oberleithner, K., Stohr, M., Im, S.H., Arndt, C.M. and Steinberg, A.M., "Formation and Flame-Induced Suppression of the Precessing Vortex Core in a Swirl Combustor: Experiments and Linear Stability Analysis," Combustion and Flame, Vol. 162, No. 8, pp. 3100-3114, 2015.   DOI
9 Choi, M.H., Shin, D.S., Son, M. and Koo, J.Y., "Spray Characteristics of Jet According to Position of Injector Hole in Crossflow," 48th KSPE Spring Conference, Jeju, Korea, pp. 905-911, May 2017.
10 Han, Y.M., Ko, Y.S., Yang, S.S. and Lee, D.S., "A Design of Low Emission Combustor for an Aero-Gas Turbine Engine with a Lean Fuel Module," KSAS Fall Conference, Korea, pp. 661-668, Nov. 2000.
11 Lefebvre, A.H., "An Improved Fuel Injection System for Gas Turbine Engines," US3283502, Nov. 1966.
12 Choi, S.M., "Research and Development Trend of Gas Turbine Combustor in Korea," 45th KOSCO SYMPOSIUM, Pohang, Korea, pp. 287-289, Nov. 2012.
13 Jung, S.C., Kim, S.H., Park, H.H. and Ryu, S.Y., "CFD Simulation of a Prefilming Air Blast Fuel Nozzle," 48th KSPE Spring Conference, JeJu, Korea, pp. 251-253, May 2017.
14 Lefebvre, A.H., "Airblast Atomization," Progress in Energy and Combustion Science, Vol. 6, No. 3, pp. 233-261, 1980.   DOI
15 Lefebvre, A.H. and Miller, D., "The Development of an Air Blast Atomizer for Gas Turbine Application," CoA. Report AERO No. 193, Cranfield, Bedford, England, Jun. 1966.
16 Jasuja, A.K., "Behaviour of Aero-Engine Airblast Sprays in Practical Environment," In Proc. 10th International Conference on Liquid Atomization and Spray Systems, Kyoto, Japan, ICLASS06-287, Aug. 2006.
17 Rizkalla, A.A. and Lefebvre, A.H., “The Influence of Air and Liquid Properties on Airblast Atomization,” Journal of Fluids Engineering, Vol. 97, No. 3, pp. 316-320, 1975.   DOI
18 Batarseh, F.Z.M., "Spray Generated by an Airblast Atomizer: Atomization, Propagation and Aerodynamics Instability," Ph.D. Dissertation, Department of Mechanical Engineering, Technische Universitat, Darmstadt, Germany, 2009.
19 Gepperth, S., Guildenbecher, D., Koch, R. and Bauer, H.J., "Pre-filming primary atomization: Experiments and modeling," In 23rd European Conference on Liquid Atomization and Spray Systems (ILASS-Europe 2010), Brno, Czech Republic, Sep. 2010.
20 Matsuura, K., Suzuki, K. and Kurosawa, Y., "Effects of Ambient Pressure on Sprays Characteristics a High Shear Type Aero-Engine Airblast Fuel Injector," ILASS Europe 2008, Como Lake, Italy, Sep. 2008.
21 Yamamoto, T., Shimodaira, K., Kurosawa, Y., Matsuura, K., Iino, J. and Yoshida, S., "Research and Development of Staging Fuel Nozzle for Aeroengine," Proceedings of ASME Turbo Expo 2009, Orlando, F.L., U.S.A., pp. 639-646, Jun. 2009.
22 Sun, H., Chue, T.H., Lai, M.C. and Tacina, R.R., "Atomization and Vaporization Characteristics of Airblast Fuel Injection Inside a Venturi Tube," 29th Joint Propulsion Conference and Exhibit, Monterey, C.A., U.S.A., pp. 17, Jun. 1993.
23 Im, K.S., Kim, H., Lai, M.C. and Tacina, R., “Parametric study of the swirler/ venturi spray injectors,” Journal of Propulsion and Power, Vol. 17, No. 3, pp. 717-727, 2001.   DOI
24 Ercegovic, D.B., "Effect of Swirler-Mounted Mixing Venturi on Emissions of Flame-Tube Combustor Using Jet A Fuel," NASA TP-1393, 1979.
25 Simmons, H.C., Robert, R.C., and Mihkel, O., "Air-Atomizing Fuel Nozzle," US3980233, Sep. 1976.
26 Francis, R.N.A., "Investigation of Fuel Nozzle Technologies to Reduce Gas Turbine Emissions," Ph.D. dissertation, Department of Aerospace Studies, Toronto University, Toronto, Ontario, Canada, 2015.
27 Abernethy, R.B., Benedict, R.P. and Dowdell, R.B., "ASME Measurement Uncertainty," Journal of Fluids Engineering, Vol. 107, No. 2, pp. 161-164, 1985.   DOI
28 Foust, M.J., Thomsen, D., Stickles, R., Cooper, C. and Dodds, W., "Development of the GE Aviation Low Emissions TAPS Combustor for Next Generation Aircraft Engines," 50th AIAA Science Meeting including the New Horizons Forum and Aerospace Exposition, Nashville, T.N., U.S.A., AIAA-2012-0936, Jan. 2012.