Publications

Journals

  1. Lovett, J.A., AHMED, K.A., Klusmeyer, A., Smith, A.G., Lubarsky, E., Menon, S., Zinn, B.T., “Influence of Fuel Distribution on the Flame Structure of Bluff-Body Stabilized Flames,” Journal of Engineering for Gas Turbines and Power, Vol. 136, 2014.
  2. Ali, M., AHMED, K.A., Kumar, R., Alvi, F., “Flowfield Characteristics of Oblique Shocks Generated Using Microjet Arrays,” International Journal of Flow Control, Vol. 47, No. 11, 2014.
  3. AHMED, K.A., Forliti, D.J., “Fluidic Flame Stabilization in a Planar Combustor Using a Transverse Slot Jet,” AIAA Journal, Vol. 47, No. 11, 2009, pp. 2770-2775.
  4. AHMED, K.A., Ali, M., Alvi, F., “Mixing Characteristics of Transverse Microjet Arrays in a Supersonic Backward-Facing Step Flow,” AIAA Journal, Volume 52, No. 12, 2014.
  5. AHMED, K.A., Forliti, D.J., Moody, J., and Yamanaka, R., “Flowfield Characteristics of a Confined Transverse Slot,” AIAA Journal, Vol. 46, No. 1, 2008, pp. 94-103.
  6. AHMED, K.A., Forliti, D.J., Moody, J., “The Effect of Slot Jet Size on the Confined Transverse Slot Jet,” Experiments in Fluids, Vol. 45, No. 1, 2008, pp. 13-26.
  7. Carr, Z.R., AHMED, K.A., Forliti, D.J., “Spatially-Correlated Precision Error in Digital Particle Image Velocimetry Measurement of Turbulent Flows,” Experiment in Fluids, Vol. 47, No. 1, 2009, pp. 95-106.
  8. AHMED, K.A., Forliti, D.J., “Premixed Flame Stabilization using a Wall-bounded Bluff Body: Influence of Equivalence Ratio and Boundary Layer Tripping,” Combustion Science and Technology, under review.
  9. Geikie, M., AHMED, K.A., “Lagrangian Mechanisms of Flame Extinction for Lean Turbulent Premixed Flames,” Combustion and Flame, in press.
  10. Geikie, M., Sosa, J., Voet, M., AHMED, K.A., Kapat, J., “Jet in Crossflow Mixing at Different Injection Angles and Blowing Ratios,” Journal of Fluids Engineering, under review.
  11. McGarry, J., AHMED, K.A., “Flame-Turbulence Interaction of Laminar Premixed Deflagrated Flame,” Combustion and Flame, under review.
  12. AHMED, K.A., Forliti, D.J., “Premixed Flame Stabilization using a Wall-bounded Bluff Body: Influence of Equivalence Ratio and Boundary Layer Tripping,” Journal of Engineering for Gas Turbines and Power, under review.
  13. AHMED, K.A., Wiley, A., Lourenco, L. “Structured Light-Field Focusing for Flowfield Diagnostics,” Experiments in Fluids, under review.
  14. Chambers, J., AHMED, K.A., “Turbulent Flame Augmentation using a Fluidic Jet for Deflagration-to-Detonation,” Energy and Fuels, under review.
  15. AHMED, K.A., Forliti, D.J., “Mechanisms Influencing Turbulent Flame Structures of Fluidic Flame Holding,” Combustion and Flame, under review.
  16. AHMED, K.A., Wiley, A., Lourenco, L., “Structured Light-Field Focusing for Flowfield Diagnostics,” Experiments in Fluids, under prep.

Papers & Proceedings

  1. Chambers, J., McGarry, J., AHMED, K.A., “Turbulent Deflagrated Flame Interaction with a Fluidic Jet Flow for Deflagration-to-Detonation Flame Acceleration,” 68th APS DFD, Boston, MA 22-24 Nov., 2015.
  2. Chambers, J., McGarry, J., AHMED, K.A., “Fluidic Jet Augmentation of a Turbulent Flame for Deflagration-to-Detonation,” 54th AIAA Aerospace Sciences Meeting, San Diego, 4-8 Jan., 2016.
  3. Geikie, M., Sosa, J., Fernandez, C., AHMED, K. & Kapat, J. “Laser Induced Fluorescence Investigation of Single Row Film Cooling at Various Inclination Angles and Blowing Ratios” 54th AIAA SciTech 2016, San Diego, CA, 4-8 Jan., 2016.
  4. McGarry, J., AHMED, K.A., “Laminar Deflagrated Flame Interaction with A Fluidic Jet Flow for Deflagration-to-Detonation Flame Acceleration,” 51st AIAA/SAE/ASEE Joint Propulsion Conference, AIAA Propulsion and Energy Forum and Exposition, Orlando, FL, 27-29 July, 2015.
  5. MacDonald, M., AHMED, K.A., “Velocity-Induced Flame Extinction Dynamics of Lean Premixed Bluff-Body Stabilized Flames,” 51st AIAA/SAE/ASEE Joint Propulsion Conference, AIAA Propulsion and Energy Forum and Exposition, Orlando, FL, 27-29 July, 2015.
  6. Wiedow, B., AHMED, K.A., “Performance Characteristics of Fluidic-Based Thrust Augmentation Using a Slot Jet for Unmanned Aerial Vehicle Propulsion,” 51st AIAA/SAE/ASEE Joint Propulsion Conference, AIAA Propulsion and Energy Forum and Exposition, Orlando, FL, 27-29 July, 2015.
  7. MacDonald, M., AHMED, K.A., “Flame Extinction Dynamics of Lean Premixed Bluff-Body Stabilized Flames,” 53rd AIAA Aerospace Sciences Meeting, Kissimmee, FL, 5-9 Jan., 2015.
  8. Hughes, C.N., Dutta, D., Bashirzadeh, Y., AHMED, K.A., Qian, S., “Measuring Shear Stress with a Microfluidic Sensor to improve Aerodynamic Efficiency,” 53rd AIAA Aerospace Sciences Meeting, Kissimmee, FL, 5-9 Jan., 2015.
  9. Lovett, J.A., AHMED, K.A., Klusmeyer, A., Smith, A.G., Lubarsky, E., Menon, S., Zinn, B.T., “Influence of Fuel Distribution on the Flame Structure of Bluff-Body Stabilized Flames,” Proceedings of ASME Turbo Expo, San Antonio, TX, 3-7 June, 2013.
  10. AHMED, K.A., Ali, M., Alvi, F., “Mixing Characteristics of Transverse Microjet Arrays in a Supersonic Backward-Facing Step Flow,” 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando, FL, 4-7 Jan., 2011.
  11. Ali, M., AHMED, K.A., Kumar, R., Alvi, F.,Forliti, D.J., “Flowfield Characteristics of Oblique Shocks Generated Using Microjet Arrays,” 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando, FL, 4-7 Jan., 2011.
  12. AHMED, K.A., Forliti, D.J., “Turbulent Flame Structures and Flame-Generated Vorticity Influence on Combustor Performance Employing Fluidic Flame Holding,” 48th AIAA Aerospace Sciences Meeting and Exhibit, Orlando, FL, 4-7 Jan., 2010.
  13. AHMED, K.A., Forliti, D.J., “On the Mechanisms of Combustion Rate Enhancement of the Fluidic Dump Combustor,” Advanced Propulsion Review, Monterey, CA, 9-11 June, 2009.
  14. AHMED, K.A., Forliti, D.J., “Performance of Combustors Employing Fluidic Flame Holding,” International Symposium on Recent Advances in Combustion and Noise Control for Propulsion, Kauai, HI, 10-12 December, 2008.
  15. AHMED, K.A., Forliti, D.J., “Combustor Flowfield Measurements of a Transverse Jet Flame Holder,” 47th AIAA Aerospace Sciences Meeting and Exhibit, Orlando, FL, 5-8 Jan., 2009.
  16. AHMED, K.A., Forliti, D.J., “Flame Holding and Combustion Characteristics of a Geometrical Flame Holder,”ASME Heat Transfer, Jacksonville, FL., 10-14 Aug., 2008.
  17. Forliti, D.J., AHMED, K.A., “Flame Stabilization in a Model Ramjet Combustor Using a Transverse Slot Jet,” 46th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, 7-10 Jan., 2008
  18. Forliti, D.J., AHMED, K.A., “Flame Stabilization and Flowfield Characteristics of a Fluidic Dump Combustor,” Proceedings of the 20th ONR Propulsion Conference, Arlington, VA, 12-14 December, 2007.
  19. Forliti, D.J., AHMED, K.A., “Induced Recirculation using Planar Jet Injection for Flame Stabilization,” Proceedings of the 19th ONR Propulsion Conference, Orange County, CA, 18-20 December, 2006.

Conference Presentations

  1. AHMED, K.A., Forliti, D.J., “Experimental Studies of Confined Premixed Flames Stabilized using Bluff Bodies and Transverse Jets,” Sandia National Laboratory Technical Seminar, Livermore, CA, 13 April, 2009.
  2. AHMED, K.A., Carr, Zakery, Forliti, D.J., “Operating Characteristics of a Fluidic Premixed Dump,” 60th APS DFD, Salt Lake City, UT 18-20 Nov., 2007.
  3. Carr, Zakery, AHMED, K.A., Forliti, D.J., “Flow Field Measurements of a Fluidic Dump Combustor,” 60th APS DFD, Salt Lake City, UT 18-20 Nov., 2007.
  4. AHMED, K.A., Forliti, D.J., “Flame Stabilization in a Model Ramjet Combustor Using a Transverse Slot Jet,” MAE Praxair seminar, SUNY at Buffalo, NY, 18 Oct., 2007.
  5. AHMED, K.A., Moody, J., Forliti, D.J., “Flow Field Features of the Induced Recirculation Zone using Planar Jet Injection,” 59th APS DFD, Tampa, FL, 19-21 Nov., 2007.
  6. Moody, J., AHMED, K.A., Forliti, D.J., “A Parametric Study of the Induced Recirculation Zone using Single/Double Planar Jet Injection,” 59th APS DFD, Tampa, FL, 19-21 Nov., 2007.

Patents

  1. “Focusing Systems and Methods for Flow Visualization” K. AHMED, L. Lourenco, A. Wiley, Patent 61/498,809, 2011.
  2. “Shear Stress Sensor” C. Hughes, S. Qian, K. AHMED, Patent 61/918,045, 2014.