Alireza Bahramian
 Associate Professor
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https://scholar.google.com/citations?hl=en&user=THEfZqQAAAAJ

Telephone: +98(81)38411465
Email: bahramian@hut.ac.ir, bahramian@aut.ac.ir
Address: Shahid Fahmideh.St,Hamedan,IRAN
CV
Website:https://en.hut.ac.ir/en/bahramian:
Research Interests 
  • Fluid mechanics
  • Fluidization systems
  • Nanoparticle synthesis and characterization
  • Modeling and simulation
  • Energy systems
Publications
  • A. Bahramian and M. Olazar, Fluidization of Polydisperse Cohesive TiO2 Agglomerates in a Conical Fluidized Bed: Evaluation of Restitution and Friction Coefficients on the Velocity Fields using Adhesive CFD-DEM Simulation, Submitted to journal of "AIChE journal"
  • A. Bahramian, Application of the Force Balance Model and Fractal Scaling Analysis for Size Estimation of the Complex-Agglomerates in a Conical Fluidized Bed, Iranian, Chem. And Chem. Eng. (2020). doi: 10.30492/ijcce.2020.38038
  • A. Bahramian, Poly(ethylene terephthalate)-based nanocomposite films as greenhouse covering material: Environmental sustainability, mechanical durability, and thermal stability, Applied Polymer Science, 2020, DOI: 10.1002/app.49 991
  • A. Bahramian, The effect of thermal and non-thermal routes on treatment of the Mg-Al layered double hydroxide catalyst dispersed by titania nanoparticles in products distribution arising from poly(ethylene terephthalate) degradation, Polymer Degradation and Stability 179 (2020) 109243.
  • A. Bahramiana, D. D. Dionysiou, Photocatalytic Assessment of Selective Distribution of Product Arising from Methanol Oxidation on Platinum-deposited TiO2 Mesoporous Layer in a Fixed-film UV Reactor, Journal of Photochemistry & Photobiology, A: Chemistry 403 (2020) 112868.
  • B. Medi, A. Bahramian, V. Nazari, Synthesis and Characterization of Conducting Polyaniline Nanostructured Thin Films for Solar Cell Applications, The Journal of Minerals, Metals & Materials (JOM), 2020, https://doi.org/10.1007/s11837-020-04361-8
  • A. Bahramian, M. Rezaeivala, K. He, D D. Dionysiou, Enhanced visible-light photoelectrochemical hydrogen evolution through degradation of methyl orange in a cell based on coral-like Pt-deposited TiO2 thin film with sub-2 nm pores, Catalysis Today 335 (2019) 333-344.
  • A. Bahramian, Effect of Drying Temperature and Mechanical Pressure on Surface Structure and Dynamical Properties of Polyaniline Nanostructured Film, Applied Research in Chemical Polymer Engineering, 2 (2018) 3-16.
  • A. Bahramian, The Effect of Tin Weight Fraction and Annealing Condition on Electrical and Optical Properties of ITO/TiO2 Nanostructured Film, Int. J. Nanosci. Nanotechnol., 14 (2018) 307-317.
  • A. Bahramian, The mutual effects between the interparticle forces and mechanical properties on fluidization of TiO2 nanoparticle agglomerates in a conical fluidized bed: nanoindentation and pressure fluctuation analysis, J. Nanopart. Res (2018) 21:196.
  • Sh.Hamidifard, A. Bahramian, M. Rasteh, Mesh sensitivity analysis on hydrodynamics behavior of a fluidized bed containing silver oxide nanoparticle agglomerates: Transition from bubbling to slugging and turbulent flow regimes, Powder Technology 331 (2018) 28–40.
  • A. Bahramian, Molecular interactions insights underlying temperature-dependent structure of water molecules on TiO2 nanostructured film: A computational study using reactive and non-reactive force fields, Fluid Phase Equilibria 438 (2017) 53- 66.
  • A. Bahramian, M. Maleki, B. Medi, CFD Modeling of Flame Structures in a Gas Turbine Combustion Reactor: Velocity, Temperature, and Species Distribution,  International Journal of Chemical Reactor Engineering, 2017, DOI: https://doi.org/10.1515/ijcre-2016-0076
  • Sh. Niazi, M Kalbasi, A Bahramian, Full scale experimental study of an ozonation reactor: Effects of seasonal water characteristics and operating conditions on total organic carbon removal, aldehydes and ketones formation as well as disinfection efficiency, Journal of Environmental Chemical Engineering, 5 (2017) 1536-1547.\
  • Sh. Nizai, M. Kalbasi, A. Bahramian, Hydraulic and disinfection efficiency of an ozonation contactor for a municipal water treatment plant using computational fluid dynamics, The Canadian Journal of Chemical Engineering, 2017, 5 MAY 2017, DOI: 10.1002/cjce.22839
  • A. Bahramian, J. R. Grace, Fluidization of titania nanoparticle agglomerates in a bench-scale conical vessel, Powder Technology 310 (2017) 46–59.\
  • A. Bahramian, Enhanced Photocatalytic Activity of Sol-Gel Derived Coral-like TiO2 Nanostructured Thin Film, Iran J. Chem. & Chem. Eng. 35 (2016) 27-35.
  • A. Bahramian, A molecular view on a polyaniline–TiO2 nanostructured thin film: Effect of temperature and pressure on the thermal, mechanical, and dynamical properties, Thin Solid Films 592 (2015) 39–53.
  • A. Bahramian, Daryoosh Vashaee, In-situ fabricated transparent conducting nano fiber-shape polyaniline/coral-like TiO2 thin film: Application in bifacial dye-sensitized solar cells, Solar Energy Materials & Solar Cells 143 (2015) 284–295.
  • M. Rasteh, F. Farhadi, A. Bahramian, Hydrodynamic characteristics of gas–solid tapered fluidized beds: Experimental studies and empirical models, Powder Technology 283 (2015) 355–367.
  • A.  Bahramian, CFD Insight of the Flow Dynamics and Velocity Fields in a Gas Turbine Combustor with a Swirl Flame, Accepted for publish in Iranian Journal of Chemical Engineering, 2015.
  • A.  Bahramian, Hydrodynamic Characteristics of Dense Conical Fluidized Bed: CFD Simulation and Experimental Verification, Iranian Journal of Chemical Engineering, Vol. 12, No. 1 (2015) 41-58.
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  • A. Bahramian. Viscoelastic Properties of Polyaniline-emeraldine Base Nanostructured Films: Experimental Results and Computational Simulations. Accepted for Journal of Applied Polymer Science. 32 (2015) 41858.
  • A. Bahramian. "Molecular Dynamics Simulation of Surface Morphology and Thermodynamic Properties of Polyaniline Nanostructured Film", Surface & Interface Analysis. 47 (2015) 1-14.
  • A. Bahramian. "The Effect of Heat Treatment on the Surface Structure of Polyaniline Nanostructured Film: an Experimental and Molecular Dynamics Approach", Applied Surface Science, 311 (2014) 508–520.
  • A. Bahramian. "High Conversion Efficiency of Dye-sensitized Solar Cells Based on Coral-like TiO2 Nanostructured Films: Synthesis and Physical Characterization". Industrial & Engineering Chemistry Research (ACS Publications), 52 (2013) 14837−14846.
  • A. Bahramian, M. Olazar, and G. Ahmadi. "Effect of Slip Boundary Conditions on the Simulation of Micro-particle Velocity Fields in a Conical Fluidized Bed". AIChE Journal, 59 (2013) 4502-4518.
  • A. Bahramian. "Study on Growth Rate of TiO2 Nanostructured Thin Films: Simulation by Molecular Dynamics Approach and Modeling by Artificial Neural Network". Surface & Interface Analysis, 45 (2013) 1727– 1736.
  • A. Bahramian, H. Ostadi and M. Olazar. "Evaluation of Drag Models for Predicting the Fluidization Behavior of Silver Oxide Nanoparticle Agglomerates in a Fluidized Bed". Industrial & Engineering Chemistry Research (ACS Publications), 52 (2013) 7569–7578.
  • A. Bahramian and M. Olazar. "Fluidization of Micronic Particles in a Conical Fluidized Bed: Experimental and Numerical. Study of Static Bed Height Effect". AIChE Journal, 58 (2012) 730-744.
  • A. Bahramian, and M. Olazar. "Profiling Solid Volume Fraction in a Conical Bed of Dry Micrometric Particles: Measurements and Numerical Implementations. Powder Technology, 212 (2011) 181–192.
  •  E. Zaminpayma, A. Bahramian, H. Erfan Nia and M. Kalbasi. "Computer Simulation on TiO2 Nanostructure Films and Experimental Study Using Sol-gel Method" Journal of Cluster Science, 20 (2010) 641-649.
  • A. Bahramian and M. Kalbasi "CFD modeling of TiO2 Nano-Agglomerates Hydrodynamics in a Conical Fluidized Bed Unit with Experimental Validation" Iranian J. Chemistry & Chemical Engineering, 29 (2010) 1-17.
  • A. Bahramian, M. Kalbasi and M. Olazar."Influence of Boundary Conditions on CFD Simulation of Gas-particle Hydrodynamics in a conical Fluidized Bed unit", International Journal of Chemical Reactor Engineering, 7, (2009) A60.
  • M. Sasani Ghamsari and A. Bahramian. "High Transparent Sol–gel Derived Nanostructured TiO2 thin film". Materials Letters, 62 (2008) 361-364. (This paper selected as "8th Top hottest Paper" in Materials Letters 2008)
  • M. Kalbasi, A. Bahramian and J. Khorshidi. “Prediction of Minimum Spout Velocity and Moisture Distribution   of Potasium Chlorate Particles in a Spouted Bed Dryer”. Iranian J Chemistry & Chemical Engineering, 26 (2007) 1-12.
  • J. Khorshidi, M. Kalbasi, A. Bahramian and M. Sohrabi, “Application and modeling of Methane Oxidation Reaction to Formaldehyde in a Fluidized Bed Reactor.  Iranian J Chemistry & Chemical Engineering, 25 (2006) 14-21.
Publications (Conferences):
  1. A. Bahramian, A Degradation Kinetics Model of Poly(ethylene terephthalate) Waste by Glycolysis Process as Green Route, The 11th International Chemical Engineering Congress & Exhibition, Fouman, Iran, 15-17 April, 2020.
  2. Alireza Bahramian, Ahmad Ab Parvar, Elham Nouri, Morteza Jafari,  Seyed Hadi Hosseini Bidar, Vulnerability and Risk Assessment of Water Supply System against Microbial and Chemical Threats by RAMCAP Method, The 11th International Chemical Engineering Congress & Exhibition, Fouman, Iran, 15-17 April, 2020.
  3. M. Rasteh, F. Frahadi, A. Bahramian. Study on hydrodynamic behavior of TiO2 microparticles in a fluidized bed, The 6th International conference in application of CFD in industry, Esfahan, Iran, 14-17 May, 2015.
  4. A. Bahramian and M. Olazar. "Fluidization of Nanoparticle Agglomerates in a Fluidized Bed:  an Experimental Study and CFD Simulation". The 8th International Chemical Engineering Congress & Exhibition (IChEC) Kish, Iran, 24-27 February, 2014.
  5. A. Bahramian. "A Study on TiO2 Nanostructured Thin Films: Computer Simulation with Molecular Dynamics View and Experimental Work with Sol-gel Method". Asia Nano Camp. Singapore & Malaysia. 3-5 October 2011.
  6. A. Bahramian, M. Kalbasi, H. Nazif, and I. Khazaee, "Hydrodynamic Characteristics of TiO2 Nanoparticles in a conical fluidized bed and numerical simulation using CFD modeling", 17th annual (International) Conference on mechanical engineering-ISME 2009, Tehran, Iran. May 2009.
  7. E. Jamshidi Sr., A. Bahramian,  "Numerical Method (Quantize) for Prediction of Pollutant in River Simulated by Gas Chromatography Measurement", AIChE Conference, Spring National Meeting, Developing Environmental For study through Computational Chemistry and Modeling (TAZ11), New Orleans, United States, 8 April 2008.
  8. E. Jamshidi Sr., A. Bahramian,  "New Mathematical Method for Prediction of Pollutant in River Simulated by Gas Chromatography Measurement", AIChE Conference, Spring National Meeting, Developing Environmental For study through Computational Chemistry and Modeling (TAZ10), New Orleans, United States, 8 April 2008.
  9. M. Sasani Ghamsari and A. Bahramian. “Preparation of the Nanostructure TiO2 Thin Film with Dip-Coating Method” Iranian conference of physics. Proceeding of 5th Iranian Physics Conference, Shahroud, Iran. 2007.
  10. M. Kalbasi and A. Bahramian. "Hydrodynamics and drying characteristics of Potasium Chlorate particles in a spouted bed dryer", IWSID Symposium, India. 20-23rd December 2004.


 
Courses Taught
  • Undergraduate courses:
    Fluid Mechanics (I and II), Thermodynamics for Chemical Engineers (I and II), Calculation of Refinery Engineering, Principles of Management in Chemical Process, Principles of Mass and Energy Balance, Application of Mathematics in Chemical Engineering, Unit Operation, Laboratory of Fluid Mechanics
    Graduate courses:
    Advanced Fluid Mechanics, Advanced Thermodynamics, Modeling of Energy Systems, Nanotechnology and its application, Seminar
     
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Academic Experiences
  • Familiar with Engineering Software’s such as, C++, Aspen, MATLAB, Hysis, FORTRAN, Chem-Office and Office.
  • Familiar with Mechanical Engineering Software: Fluent, CFD simulation, DEM simulation, MFIX.
  • Ability to work with SEM, AFM, UV-vis, XRD, GC-MS equipment’s.
Honors and Awards
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  • 1st Top Researcher of Hamedan University of Technology (2012 and 2014, 2017, 2018, 2020, 2021)
  •  1st Top Researcher of Chemical Engineering Department (2011 -2017)
  •  The Excellent Educational Member, Department of Chemical Engineering, Hamedan University of Technology. (2012)
  • 1st Top Researcher of Hamedan University of Technology (2015, 2017, 2018, 2019, 2020, 2021, 2022)
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