Prof.Dr. ABDULLAH ULAŞ
FACULTY OF ENGINEERING
PublicationsResearchMembership & Awards
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Education

  Bachelor's, Middle East Technical University, Mechanical Eng.
  Master's, The Pennsylvania State University, Mechanical Eng.
  Doctorate, The Pennsylvania State University, Mechanical Eng.

Publications (INTERNATIONAL)

Journal Papers

  A.1 Lu, Y.-C., Ulas, A., Boyer, E., and Kuo, K. K., Determination of Temperature Profiles of Self-Deflagrating RDX by UV/Visible Absorption Spectroscopy and Fine-Wire Thermocouples. "Combustion Science and Technology", 123, (1997), p.147-163.
  A.2 Ulas, A. and Kuo, K. K., Effect of Aging on Ignition Delay Times of a Composite Solid Propellant Under CO2 Laser Heating. "Combustion Science and Technology", 127, (1997), p.319-331.
  A.3 Ulaş, A., Kuo, K.K. and Gotzmer, C., Ignition and Combustion of Boron Particles in Fluorine-Containing Environments. "Combustion and Flame", 127, (2001), p.1935-1957.
  A.4 Ulas, A., Lu, Y.-C., and Kuo, K. K., Ignition and Combustion Characteristics of RDX-Based Pseudo Propellants. "Combustion Science and Technology", 175, (2003), p.695-720.
  A.5 Ulas, A., Risha, G. A., and Kuo, K. K., Ballistic Properties and Burning Behaviour of an Ammonium Perchlorate/Guanidine Nitrate/Sodium Nitrate Airbag Solid Propellant. "Fuel", 85, (2006), p.pp. 1979-1986.
  A.6 Ulas, A., Risha, G. A., and Kuo, K. K., An Investigation of the Performance of a Boron/Potassium-Nitrate Based Pyrotechnic Igniter. "Propellants, Explosives, Pyrotechnics", 31, (2006), p.pp. 311-317.
  A.7 Ulas, A., Passive Flow Control in Liquid-Propellant Rocket Engines with Cavitating Venturi. "Flow Measurement and Instrumentation", 17, (2006), p.pp. 93-97.
  A.8 Ulas, A. and Kuo, K.K., Laser-Induced Ignition of Solid Propellants for Gas Generators. "Fuel", 87, (2008), p.639-646.
  A.9 Püskülcü, G. and Ulas, A., 3-D Grain Burnback Analysis of Solid Propellant Rocket Motors: Part 1- Ballistic Motor Tests. "Aerospace Science and Technology", 12, (2008), p.579-584.
  A.10 Püskülcü, G. and Ulas, A., 3-D Grain Burnback Analysis of Solid Propellant Rocket Motors: Part 2- Modeling and Simulations. "Aerospace Science and Technology", 12, (2008), p.585-591.
  A.11 Cengiz, F. and Ulas, A.,, Numerical Prediction of Steady-State Detonation Properties of Condensed-Phase Explosives. "Journal of Hazardous Materials", 172, (2009), p.1646-1651.
  A.12 Ak, M.A., Ulas, A., Sümer, B., Yazici, B., Yildirim, C., Gönc, L.O., Orhan, F.E., An Experimental Study on the Hypergolic Ignition of Hydrogen Peroxide and Ethanolamine. "Fuel", 90, (2011), p.395–398.
  A.13 Aydemir, E., Ulas, A., A Numerical Study On The Thermal Initiation of A Confined Explosive in 2-D Geometry. "Journal Of Hazardous Materials", 186, (2011), p.396-400.
  A.14 Ulas, A. and Cengiz, F., Calculation of Detonation Properties of Gaseous Explosives Using Generalized Reduced Gradient Nonlinear Optimization. "Propellants, Explosives, Pyrotechnics", 36, (2011), p.314–319.
  A.15 Aydemir, E., Ulas, A., and Serin, N., Thermal Decomposition and Ignition Of PBXN-110 Plastic-Bonded Explosive. "Propellants, Explosives, Pyrotechnics", 37, (2012), p.308-315.
  A.16 Narin, B., Ozyoruk, Y., and Ulas, A., Two Dimensional Numerical Prediction of Deflagration-To-Detonation Transition in Porous Energetic Materials. "Journal of Hazardous Materials", 273, (2014), p.44–52.
  A.17 Suzan Koç, Abdullah Ulas, Nil Yılmaz, Characterization of BPN Pyrotechnic Composition Containing Micro- and Nanometer-Sized Boron Particles. "Propellants, Explosives, Pyrotechnics", (2015), p.735-742.
 

Conference Papers

  A.1 Lu, Y.-C., Ulas, A., Kuo, K. K., and Freyman, T., Absorption Spectroscopy of Solid Propellant Flames. "31st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit", (1995).
  A.2 Ulas, A., Lu, Y.-C., Kuo, K. K., and Freyman, T., Measurement of Temperatures and NO and OH Concentrations of Solid Propellant Flames Using Absorption Spectroscopy. "32nd JANNAF Combustion Subcommittee Meeting", (1995), p.461-470.
  A.3 Ulas, A. and Kuo, K. K., Ignition Characteristics of Aged Composite Solid Propellants Under CO2 Laser Heating. "Propulsion Engineering Research Center 9th Annual Symposium on Propulsion", (1997).
  A.4 Brossard, C., Ulas, A., Yeh, C.-L., and Kuo, K. K., Ignition and Combustion of Isolated Aluminum Particles in the Post-Flame Region of a Flat-Flame Burner. "16th International Colloquium on the Dynamics of Explosions and Reactive Systems", (1997).
  A.5 Ulas, A., Lu, Y.-C., and Kuo, K. K., Ignition Delay and Flame Structure Measurements of RDX-Based Pseudo Propellants. "24th International Pyrotechnic Seminar", (1998), p.531-542.
  A.6 Ulas, A., Kuo, K. K., and Yeh, C.-L., Ignition and Combustion of Single Boron Particle In Fluorine/Oxygen Containing Environments. "35th JANNAF Combustion Subcommittee Meeting", (1998), p.549-563.
  A.7 Risha, G. A., Ulas, A., Kuo, K. K., and Koch, D. E., Characterization of Combustion Behavior of TAL-1308 Solid Propellant. "35th JANNAF Combustion Subcommittee Meeting", (1998), p.305-319.
  A.8 Risha, G. A., Ulas, A., Kuo, K. K., and Koch, D. E., Characterization of Output Mass and Energy Fluxes of a Pyrotechnic Igniter. "35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit", (1999).
  A.9 Risha, G. A., Ulas, A., Kuo, K. K., and Koch, D. E., Combustion Behavior of TAL-1308 Composite Solid Propellant for Airbag Applications. "35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit", (1999).
  A.10 Risha, G.A., Ulaş, A., Boyer, E., Kumar, S. and Kuo, K.K., Combustion of HTPB-Based Solid Fuels Containing Nano-sized Energetic Powder in a Hybrid Rocket Motor. "AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit", 37, (2001).
  A.11 Narin, B., Ozyoruk, Y., and Ulas, A., 1-D Two-Phase Reactive Model for Deflagration to Detonation Transition (DDT) Phenomenon in Porous Energetic Materials. "3rd Ankara International Aerospace Conference, AIAC-2005-014, 22-25 August 2005, METU, Ankara", (2005).
  A.12 Sarisin, M. and Ulas, A., Investigation of Combustion Control in the Vitiator of a Connected Pipe Setup for Ramjet Applications. "44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, USA", (2006), p.AIAA-2006-814.
  A.13 Sarisin, M., Ulas, A., Tinaztepe, T., and Albayrak, K., Conceptual Design of a Connected Pipe Test Facility for Ramjet Applications. "42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, USA", (2006), p.AIAA-2006-4446.
  A.14 Cengiz, F., Narin, B., and Ulas, A., GasPX: A Computer Code for The Determination of The Detonation Properties of Energetic Premixed Gaseous Mixtures. "Proc. of the 10th International Seminar: New Trends in Research of Energetic Materials", 1, (2007), p.p. 357.
  A.15 Aydemir, E., Ulas, A., Serin, N., REACON-1D: Thermal Analysis Code for Energetic Materials Using Finite Element Method. "Proc. Of the 10th International Seminar: New Trends in Research of Energetic Materials", 1, (2007), p.pp. 71.
  A.16 Narin, B., Ozyoruk, Y., and Ulas, A., Application of Parallel Processing on Two-Phase Deflagration-to-Detonation (DDT) Modeling. "Proceedings of Parallel CFD 2007 Conference", (2007).
  A.17 Cürdaneli, S., Ak, M. A., and Ulas, A., Experimental Analysis on the Measurement of Ballistic Properties of Solid Propellants. "3rd International Conference on Recent Advances in Space Technologies RAST 2007", 1, (2007).
  A.18 Boysan, M. E., Ulas, A., Toker, K. A., and Seckin, B., Comparison of Different Aspect Ratio Cooling Channel Designs for a Liquid Propellant Rocket Engine. "3rd International Conference on Recent Advances in Space Technologies RAST 2007", 1, (2007).
  A.19 Cengiz, F., Narin, B., and Ulas, A., BARUT-X: A Computer Code for Computing The Steady-State Detonation Properties of Condensed Phase Explosives. "Proc. of the 10th International Seminar: New Trends in Research of Energetic Materials", 1, (2007), p.p. 117.
  A.20 Aydemir, E., Ulas, A., and Serin, N., Transient Reactive Conduction Modeling of Cook-Off of Munitions. "The 3rd International Symposium on Energetic Materials and their Applications", (2008).
  A.21 Aydemir, E., Ulas, A., and Serin, N., Experimental Investigation of Cook-Off of Munitions. "The 3rd International Symposium on Energetic Materials and their Applications", (2008).

Book and Chapter in a Book

  A.1 Ulas, A., Lu, Y.-C., and Kuo, K. K., Determination of Temperature and OH Concentration Profiles of RDX/CAB Pseudo Propellants Using UV/Visible Absorption Spectroscopy. "Challenges in Propellants and Combustion - 100 Years After Nobel", 1, (1997), p.885-895.
  A.2 Ulaş, A., Kuo, K.K. and Gotzmer, C., Effects of Fluorine-Containing Species on the Ignition and Combustion of Boron Particles: Experiment and Theory. "Combustion of Energetic Materials", (2001).

Publications (NATIONAL)

 

Conference Papers

  A.1 Gündüz, D. E., Ulaş, A., Ak, M. A., Püskülcü, G., Yıldırım, C., Sıvı Yakıtlı Roket Motorlarında Yakıt ve Oksitleyici Debilerinin Pasif Denetimi. "8. Uluslararası Yanma Sempozyumu", 1, (2004), s.11.
  A.2 Ulaş, A., Püskülcü, G., Demiran, H. V., Gündüz, D. E., Yıldırım, C., Ak, M. A., TÜBİTAK-SAGE Yüksek Basınçlı Yanma Laboratuvarı ve Pencereli Katı Yakıt Yakıcı Düzeneği Tasarım/Üretim ve Hizmete Alma Çalişmaları. "8. Uluslararası Yanma Sempozyumu", 1, (2004), s.7.
  A.3 Ulas A., Ak, M. A., Orhan, F. E., Gunduz D. E., Gonc, L. O., Sumer, B., Puskulcu, Türkiye’nin Uzaya Bağımsız Ulaşımının Anahtarı: İlk Milli Hidrojen Peroksit-Kerosen Sıvı Yakıtlı Roket Motoru Tasarımı. "Savunma Teknolojileri Kongresi SAVTEK 2004", 1, (2004), s.10.
  A.4 Ulas, A., Roket Katı Yakıtlarında Yüksek Enerji Katkı Maddesi Olarak Bor Kullanımı. "Savunma Teknolojileri Kongresi SAVTEK 2006, 29-30 Haziran 2006, ODTU, Ankara.", (2006), s.pp. 401-412.
  A.5 Cengiz, F., Narin, B., Ulas A., Kararlı Durum ve Kimyasal Denge Koşulunda Patlama Tepkimesinin Modellenmesi ve Uygulamalar. "Savunma Teknolojileri Kongresi SAVTEK 2006 29-30 Haziran 2006, ODTU, Ankara", (2006), s.pp. 413-421.
  A.6 Narin, B., Ozyoruk, Y., and Ulas, A., One-Dimensional Two-Phase Modeling of Deflagration-To-Detonation Transition (DDT) Phenomenon in Porous Energetic Materials. "4th Ankara International Aerospace Conference", 1, (2007).
  A.7 Narin, B., Ozyoruk, Y., ve Ulas, A., Katı Enerjik Malzemelerde Yanma-Patlama Geçişinin (YPG) İki-Fazlı, İki-Boyutlu Sayısal Benzetimi. "2. Ulusal Havacılık ve Uzay Konferansı,15-17 Ekim 2008, İTÜ, İstanbul", (2008).
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