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Prof. Yeshayahou Levy


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Prof. Yeshayahou Levy

Faculty:

Aerospace Engineering


Main energy field:

Energy Conservation


About:

PhD – 1981 – Imperial College, London, Mechanical Engineering
MSc – 1977 – Technion, Aeronautical Engineering
BSc – 1974 – Technion, Aeronautical Engineering

Head, Turbo and Jet Engine Laboratory, Technion.


Research Area in Energy:

Combustion Process, Emissions


Research Interests:

Biomass-Based Fuels – Chemical kinetics and Combustion of bio fuels. Photovoltaics – Dry cooling methods for high power concentrated PV systems.

Wind Power – Small wind turbine laboratory (under construction).

Advanced Combustion and Energy Savings – Flameless combustion for Low NOx emission and high efficiency.

Efficient Buildings – In house solar illumination.

Diagnostics: Spectral analysis of concentrated solar systems – Combined 3 dimensional spectral analysis using large solar tracking system.


Selected Publications:

Published papers:

M.J. Melo, J.M.M. Sousa, M. Costa and Y. Levy, “Experimental Investigation of a Novel Combustor Model for Gas Turbines”, J. of Propulsion and Power, Vol 25 No. 3, 609 – 617 May – June 2009.

Costa, M., Melo, M. J., Sousa, J. M. M. and Levy, Y., “Spray Characteristics of Angled Liquid Injection into Subsonic Crossflows”, AIAA Journal, vol.44 no.3 pp. 646-653, 2006.

Levy, Y. and Arfi, P. “NOX Production in Vitiated Combustion Systems”, Clean Air: International Journal on Energy for a Clean Environment, Vol. 7 , pp 255-268, 2006.

Levy, Y. and Arfi, P. “Turbulence-Chemistry Interactions Calculations for Improved NOx Predictions”, Clean Air: International Journal on Energy for a Clean Environment, Vol. 6 , pp 195-224, 2005.

Levy, Y., Sherbaum V., and Arfi, P. “Basic Thermodynamics of FLOXCOM, the Low-NOx Gas Turbines Adiabatic Combustor”, Applied Thermal Engineering, Vo. 24, pp. 1593-1605, 2004.

D.L. Bulzan, Y. Levy, S.K. Aggarawal and S. Chitre: “Measurements and Prediction of Liquid Spray from an Air Assist Nozzle”, Atomization and Sprays, Vol. 2, 1992, pp. 445-462.

Y. Levy: “Pressurized Fluidized Bed Combustion using Oil Shale for Gas Turbine Operation”, Journal of the Institute of Energy, Vol. LXI, Sept. 1988, pp. 157-164.

Conference publications:

Y. Levy, V. Sherbaum, V. Ovcharenko, V. Nadvani, “Study Of Two Miniature Air-Assist Atomizers With Radial And Axial Air Swirlers” paper # GT 2006-90711, presented at the ASME Turbo Expo 2006, Power for Land, Sea and Air May 8-11, Barcelona, Spain, 2006.

Levy, Y., Sherbaum, V. and Erenburg, V., “Fundamentals of Low-NOx Gas Turbine Adiabatic Combustor”, GT2005-68321, presented at the ASME Turbo Expo 2005 Reno-Tahoe, Nevada, USA.

Levy, Y, Sherbaum, V., Ovcharenko, V., Sotsenko, Y.and Zlochin, I., “Low Pressure Power Augmentation for Industrial Gas Turbine Application”, GT2005-68320, presented at the ASME Turbo Expo 2005 Reno-Tahoe, Nevada, USA.

Levy, Y. “Principle and Practice of the Low NOx FLOXCOM Gas Turbine Combustor”, presented at the “Flameless Combustion” Workshop, Lund, Sweden, June19-21,2005.

Levy, Y., Sherbaum, V. Nadvany, V., Nekhamkine, U., “System Ignition Study in Small Jet Engine”. presented in the 44th Israel Annual Conference on Aerospace Engineering, Feb. 2004.

Melo, J., Yadav, A., Sousa J. M. M., Costa, M., Coelho, P. J. and Levy, Y. “Experimental and Numerical Investigation of a Flameless Oxidation Combustor”, 21st International Congress of Theoretical and Applied Mechanics. Warsaw, Poland, August 15 – 21, 2004.

Levy, Y., Sherbaum, V. and Ehrenberg, V., “Chemical Aspects of the Flameless Oxidation Applied for Gas Turbine Combustor”, 21st International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, August 15-21, 2004.

Levy, Y. and Arfi, P., “ NOX Production In Vitiated Combustion Systems”, 7th Int. Conf. on Technologies and Combustion for a Clean Environment (Cleanair), Lisbon, July, 2003.

Levy, Y. Sherbaum, V. and Arfi, P., “FLOXCOM – Low-NOx Flameless Oxidation Combustor For High Efficiency Gas Turbines, Proceedings of the 1st Int. Conf. on Industrial Gas Turbine technologies, July 10 – 11 – 2003, Brussels.

Y. Levy, A. Nagel and S. Rosenberg, “Analysis of Primary Zone of Confined Coaxial Partially Pre-Mixed Combustor Using Optical Diagnostics and CFD Calculations”, 42nd Israel Annual Conference on Aerospace Engineering, Feb. 2002.

Y. Levy, V. Sherbaum, V. Nadvany, “Modified Vaporizer for Small Jet Engine Combustor”, the 42nd Israel Annual Conference on Aerospace Engineering, Feb. 2002.

Lee, Y., Kushari, A., Lubarsky, E., Zinn, B.T. Rozenberg, S. and Levy, Y. “Control of Combustion Iinstabilities and Emissions Using an Internally Mixed Liquid Atomizer with a Vaporizer”, AIAA-2002-0617, 2002.

Levy Y., Lipkin S., Nadvany V. and Sherboim V., “Fuel atomization in small jet engines”, GT-2002-30586, the TURBO EXPO 2002, 3-6 June 2002, Amsterdam

Levy, Y. and Arfi, P., “Turbulence-Chemistry Interactions Calculations for Improved NOx Predictions”, 6th Int. Conf. on Technologies and Combustion for a Clean Environment (Cleanair), Porto, July, 2001.

D. Lior and Y. Levy, “Orbiting Combustion Nozzle Engine”, 33rd AIAA/ASME/SAE/ ASEE Joint Propulsion Conference & Exhibit, July 6-9, 1997, Seattle, AIAA 97–3292.