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Dr. Ahmad Sedaghat

Associate Professor of Department of Mechanical Engineering

Welcome to Dr. Ahmad Sedaghat

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Office : Room 41, Department of Mechanical Engineering, Isfahan University of Technology, Isfahan 84156-83111, I. R. of Iran. Email : sedaghat@cc.iut.ac.ir Phone : +98 311 3912667 Fax : +98 311 3912628 Web Site : Dr Ahmad Sedaghat

Associate Professor

Research Fields : Renewable Energy focusing in Innovative Wind Turbines

Experimental and Computational Hydro-Aerodynamics

Experimental Heat Transfer and Nano-Fluids

Hydrodynamic Stability and Nonlinear Aeroelasticity

Combustion

Teaching

Recent Publications

Ali Mostafaeipour, Behnoosh Bardel, Kasra Mohammadi, Ahmad Sedaghat, Yagob Dinpashoh, Economic evaluation for cooling and ventilation of medicine storage warehouses utilizing wind catchers, Renewable and Sustainable Energy Reviews 38 (2014), 12–19.

Ahmad Sedaghat, Mohammad Ali Badri, Mohsen Saghafian, Iman Samani, An Innovative Treadmill-Magnus Wind Propulsion System for Naval Ships, Recent Patents on Engineering 8, 2014 (in press)

Ali Mostafaeipour, Mohsen Jadidi, Kasra Mohammadi, Ahmad Sedaghat, An analysis of wind energy potential and economic evaluation in Zahedan,Iran, Renewable and Sustainable Energy Reviews 30 (2014) 641–650.

Mostafa Hassanalian, Mohammadreza Radmanesh, Ahmad Sedaghat, Increasing flight endurance of MAVs using multiple quantum well solar cells, International Journal of Aeronautical and Space Sciences 15(2), 112-121, 2014.

Ahmad Sedaghat, Magnus type wind turbines: Prospectus and challenges in design and modelling, Renewable Energy 62 (2014) 619-628.

Ahmad Sedaghat, Mojtaba Mirhosseini, Mahdi Moghimi Zand, Aerodynamic design and economical evaluation of site specific horizontal axis wind turbine (HAWT), Energy Equipment and Systems 2 (2014) 43-55.

A. Sedaghat, A.H. Mohamadzadeh, Simulations of particle filtration and tracking in an electric field, Scientia Iranica, 2014.

Energy Vol. 8: Wind Energy, 808 Progress in Magnus Type Wind Turbine Theories

Mohammadreza Radmanesh, Iman Samani, Omid Nematollahi, Ahmad Sedaghat, Mahdi Niliahmadabadi,IUT MAV2013, Part II: Flight test results, IMAV2013, France, 2013.

Ahmad, Sedaghat, Mohammad Ali Badri,Numerical study on flow separation control over NACA0015 aerofoil using electromagnetic fields, THEORETICAL & APPLIED MECHANICS LETTERS 3, 052003 (2013).

Iman Samani, Ahmad Sedaghat, Treadmill Motion of Wing: Possibility of MAV with Vertical Take-Off, IMAV2013, France, 2013.

Ahmadi-Baloutaki, M.1, Sedaghat, A.2, Saghafian, M.3 and Badri, M. A4*, Control of Transition over Aerofoil Surfaces using Active Suction, International Journal of Flow Control, Volume 5 · Number 3+4 · 2013, pp. 187-200.

Mojtaba Ahmadi-Baloutaki, Ahmad Sedaghat, Mohsen Saghafian and Mohammad Ali Badri, A computational study on robust prediction of transition point over NACA0012 aerofoil surfaces from laminar to ..., THEORETICAL & APPLIED MECHANICS LETTERS 3, 042004 (2013)

Mojtaba Mellati Nokhandan1, Amirreza Hashemi2, Ahmad Sedaghat3, Design and simulation of an efficient winglet to enhance aerodynamic performance of a MAV, 21st Annual International Conference on Mechanical Engineering-ISME2013 7-9 May, Tehran 2013.

E. Chaparian∗, M.J. Amini, A. Sedaghat, Free turbulent flow emanating from a large plane square nozzle: A theoretical and experimental study, Scientia Iranica B (2013) 20 (2), 343–350.

Ali Mostafaeipour a,*, Ahmad Sedaghat b, Morteza Ghalishooyan c, Yagob Dinpashoh d, Mojtaba Mirhosseini e, Mohammad Sefid f, Maryam Pour-Rezaei g, Evaluation of wind energy potential as a power generation source for ..., Renewable Energy 52 (2013) 222-229

Ahmad Sedaghat1, Mohammad Ali Badri2, Mohsen Saghafian3, Iman Samani4, An Innovative Wind Propulsion System for Naval Ships, The 15th Marine Industries Conference (MIC2013) 29-31 October 2013 – Kish Island.

Ahmad Tahmasebi, Ahmad Sedaghat*, Rasool Kalbasi, Mahdi Moghimi Zand, Performance assessment of a hybrid fuel cell and micro gas turbine power system, Journal of Energy Equipment and Systems/ 1005-EES-2013 58-95.

Davood Saeidi, Ahmad Sedaghat ⇑, Pourya Alamdari, Ali Akbar Alemrajabi, Aerodynamic design and economical evaluation of site specific small vertical axis wind turbines, Applied Energy 101 (2013) 765–775.

Mohammadreza Radmanesh, Iman Samani, Omid Nematollahi, Ahmad Sedaghat, Mahdi Niliahmadabadi,IUT MAV2013, Part I: Aerodynamic design of tailless wing and body configuration, IMAV2013, France, 2013.

A. Sedaghat, S. Mokhtarian, Numerical Simulation of Rayleigh-Taylor Instability, Int J Advanced Design and Manufacturing Technology, Vol. 6/ No. 1/ March - 2013.

Iman Samani and Ahmad Sedaghat, A Novel MAV with Treadmill Motion of Wing, THEORETICAL & APPLIED MECHANICS LETTERS 3, 062002 (2013).

Ali Mostafaeipour, Ahmad Sedaghat, Ali Hazrati, Mohammadali Vahdatzad, The use of Statistical Process Control Technique in the Ceramic Tile Manufacturing: a Case Study, International Journal of Applied Information Systems (IJAIS), Volume 2– No.5, 2012.

M Memarzadeh1, M Bidabadi2, M Jadidi2*, and A Sedaghat1, Predictions of laminar flame in aluminium dust clouds with a cylindrical two-dimensional analytical model, Proc. IMechE Vol. 226 Part C: J. Mechanical Engineering Science, 2012.

Ahmad Sedaghat, Innovative Design of New Generation of Horizontal Axis Wind Turbines (HAWT), Iran Wind Energy Conference ((IWEC2012), October 9 & 10, 2012.

Ahmad Sedaghat1, Ahmad Reza Zamani2, Design of Chamber and Wells Turbine for an Oscillating Column of Water for Extracting Wave Energy from Anzali Port, The 14th Marine Industries Conference (MIC2012) 26 & 27 December 2012 – Tehran.

A. Sedaghata,∗, X. Liu b, J. Whittyc, X. Tangc, Wind power of small wind turbines in turbulent open jets, Scientia Iranica B (2012) 19 (2), 272–281.

Ahmad Sedaghat1, Ahmad Reza Zamani2, Evaluation of Wave Energy Potentials in Chahbahar port using two methods of water-wind model and wave measurements, The 14th Marine Industries Conference (MIC2012) 26 & 27 December 2012 – Tehran.

A. Sedaghat ⇑, M. Mirhosseini, Aerodynamic design of a 300 kW horizontal axis wind turbine for province of Semnan, Energy Conversion and Management 63 (2012) 87–94.

Mehdi Jahangiria, Ali Abdollahia, Ahmad Sedaghatb, Mohsen Saghafianb, Statistical analysis of wind energy in Markazi Province Case Study: Saveh Station, Proceedings of ETEC, Tehran, Iran, 20-21 November 2011

M. Ghayour, A. Sedaghat, M. Mohammadi, Wave Propagation Approach to Fluid Filled Submerged Visco-Elastic Finite Cylindrical Shells, JAST, Vol 8, No. 1, 2011, pp. 1-11.

Karrar Hajagah onoura, Mehdi Jahangiria, Ahmad Sedaghatb, Theoretical Aerodynamic analysis of six airfoils for use on small wind turbines, Proceedings ETEC Tehran, Iran, 20-21 November 2011

M. Mirhosseini, F. Sharifi, A. Sedaghat, Assessing the wind energy potential locations in province of Semnan in Iran, Renewable and Sustainable Energy Reviews 15 (2011) 449–459.

Mehdi Jahangiri1, Ali Abdollahi, Alireza Hajji Malayeri, Ahmad Sedaghat, Feasibility of installing wind turbines in Qazvin province Case study: Jarandagh station, 4th National Conference of Mechanical Engineering-NCME2011 November, 2011, Iran.

A. Saberian, M. Saghafian, M.S. Khalili, A. Sedaghat, A numerical study on slip flow heat transfer in micro-Poiseuille flow, 3rd Micro and Nano Flows Conference , Thessaloniki, Greece, 22-24 August 2011.

M. Mirhosseini1, A. Sedaghat, A.A. Alemrajabi, AERODYNAMIC MODELING OF WIND TURBINE BLADES AND LINEAR APPROXIMATIONS, SET2011, 10th International Conference on Sustainable Energy Technologies, İstanbul, TÜRKİYE, 4-7 Sep. 2011.

D. Saeidia, M. Mirhosseinia,∗, A. Sedaghata, A. Mostafaeipourb, Feasibility study of wind energy potential in two provinces of Iran: North and South Khorasan, Renewable and Sustainable Energy Reviews 15 (2011) 3558– 3569.

Mehdi Jahangiria, Ali Abdollahia, Ahmad Sedaghatb, Mohsen Saghafianb, Assessing the wind energy potential locations in province of Qazvin in Iran, Proceedings of ETEC, Tehran 20-21 Nov., 2011.

M. Mirhosseini1, M. Alaian, A. Sedaghat, A.A. Alemrajabi, AERODYNAMIC DESIGN OF A 300 KW HORIZONTAL AXIS WIND TURBINE, SET2011, 10th International Conference on Sustainable Energy Technologies, İstanbul, TÜRKİYE, 4-7 Sep. 2011.

Mostafaeipoura, A., Sedaghat, A., Dehghan-Niri, A.A., and Kalantar, V., Wind energy feasibility study for city of Shahrbabak in Iran, Renewable and Sustainable Energy Reviews 15, 2011, p. 2545-2556.

Karar Hajaghaa, Mehdi Jahangiria, Ahmad Sedaghatb, Feasibility of installing wind turbine to generate electricity power in Iran, Case Study: the Khuzestan province, Proceedings ETEC, Tehran, Iran, 20-21 Nov. 2011.

M. J. Vafaei Rostami1,∗,†, M. Saghafian1,‡, A. Sedaghat1,‡ and Mo. Miansari2, Numerical investigation of turbulent flow over a stationary and oscillatory NACA0012 airfoil using overset grids method, Int. J. Numer. Meth. Fluids 2011; 67:135–154.

S.A.A.Oloomi*1, A.Saboonchi**2, and A. Sedaghat**, Effects of Donors and Acceptors on Radiative Properties of Nanoscale Multilayer Structures at Infrared Wavelengths, Recent Researches in Mechanics, Transportation and Culture, Vouliagmeni, Athens, Greece

S. A. A. Oloomi*, A. Saboonchi and A. Sedaghat, Effects of incidence polarization on radiative properties of doped silicon multilayer structures, Scientific Research and Essays Vol. 5(14), pp. 1840-1844, 18 July, 2010.

A. Mohamadzadeh1, and A. Sedaghat2, Particle Tracking for Incompressible Flow in Electrical Field , 13th Annual & 2nd International Fluid Dynamics conference, Fd2010-26-28 Oct. Shiraz University, Shiraz, Iran.

S.A.A. Oloomi, A. Saboonchi, A. Sedaghat, Effects of Temperature on Radiative Properties of Nanoscale Multilayer with Coherent Formulation in Visible Wavelengths, Iranian Journal of Mechanical Engineering Vol. 11, No. 2, Sep. 2010.

S.A.A.Oloomi*1, A.Saboonchi**2, and A. Sedaghat**, Effects of Incidence Angle on Thermal Radiative Properties of Nanoscale Semiconductors, Recent Researches in Mechanics, Transportation and Culture, Vouliagmeni, Athens, Greece, December 29-31, 2010.

1S.A.A. Oloomi, 2A. Saboonchi and 2A. Sedaghat, Comparison Radiative Properties of Thin Semiconductor Films by Coherent and Incoherent Formulation, World Applied Sciences Journal 9 (4): 372-379, 2010.

S.A.A. Oloomi, A. Saboonchi, A. Sedaghat, Effects of Thin Films’ Number on Nano Scale Radiative Properties, World Applied Sciences Journal 11 (11): 1398-1402, 2010.

S.A.A. Oloomi, A. Saboonchi and A. Sedaghat, Parametric Study of Nanoscale Radiative Properties of Doped Silicon Multilayer Structures, World Applied Sciences Journal 8 (10): 1200-1204, 2010.

S.A.A. Oloomi, A. Saboonchi, A. Sedaghat, Effects of Thin Films’ Thickness on Radiative Properties of Doped Silicon Multilayer Structures, Middle-east Journal of Scientific Research, 5(4), 210-213, 2010.

S.A.A. Oloomi, A. Saboonchi and A. Sedaghat, Effects of Incidence Angle on Nanoscale Radiative Properties of Doped Silicon Multilayer Structures, World Applied Sciences Journal 8 (10): 1234-1239, 2010.

S.A.A. Oloomi, A. Saboonchi, A. Sedaghat, Effects of Thin Films’ Thickness on Radiative Properties of Doped Silicon Multilayer Structures, Middle-east Journal of Scientific Research, 5(4), 210-213, 2010.

S.A.A. Oloomi, A. Saboonchi, A. Sedaghat, Thermal Radiative Properties of v Nanoscale Semiconductors with vv Incoherent Formulation , Majlesi Journal of Mechanical Engineering, Vol. 3/ No. 2/ Winter-2010.

E. Chaparian, M. J. Amini†, A. Sedaghat, NUMERICAL SOLUTION AND EXPERIMENTAL RESULTS OF A PLANE TURBULENT FREE JET BY MODELING IN A WIND TUNNEL, 13th Annual & 2nd International Fluid Dynamics conference, Fd2010-26-28 Oct. Shiraz University Shiraz Iran.

Oloomi, A., Sabounchi, A., and Sedaghat, A., Parametric Study of Nanoscale Radiative Properties of Thin Film Coatings, Nano Trends: A Journal of Nanotechnology and its Application, 7(3) 1-7, 2009.

A. Nematbakhsh et. al, Parametric study on the stability of a liquid jet using VOF method, the 8th Iranian Aerospace Society Conference (IAS 2009), Tehran, 2009.

Xinzi Tang, Xiongwei Liu, Ahmad Sedaghat, Lik-kwan Shark, Rotor Design and Analysis of Stall-regulated Horizontal Axis Wind Turbine, UPEC2009, The 44th International Universities' Power Engineering Conference 1-4 September, Glasgow, UK, 2009

Rouhallah Khoshkhoo, Mahmood Adami, Ahmad Sedaghat, NUMERICAL SIMULATION OF ARGON FLOWS IN CYLINDRICAL SELF-FIELD MPD THRUSTERS, 59th IAC Congress, Glasgow, Scotland 29 September – 3 October, 2008.

Ehsan Baniasadi, Ahmad Sedaghat, Stability of flow between two eccentric cylinders With heat transfer and rotation, 11th Fluid Dynamics Conference, May 2008 K. N. Toosi University of Technology,

A. Sedaghat, AN INVESTIGATION INTO PRECONDITIONING ITERATIVE SOLVERS FOR HYDRODYNAMIC PROBLEMS, Iranian Journal of Science & Technology, Transaction B, Engineering, Vol. 31, No. B4, pp 395-405, 2007

S. Mokhtarian and A. Sedaghat, NUMERICAL SIMULATION OF RAYLEIGH-TAYLOR INSTABILITY, 14th Annual (International) Mechanical Engineering Conference – May 2006 Isfahan University of Technology, Isfahan, Iran

S. A. Akbari , A. Sedaghat and A. R. Azimian , COMPUTATIONAL FLOW SEPARATION CONTROL USING ELECTROMAGNETIC FIELDS, 14th Annual (International) Mechanical Engineering Conference – May 2006 Isfahan University of Technology, Isfahan, Iran

A. Sedaghat, A. R. Azimian and S. A. Akbari, COMPUTATIONAL STALL PREVENTION USING ELECTROMAGNETIC FIELDS, ECCOMAS CDF 2006, TU Delft, The Netherland, 2006.

M. J. Mashayekhi , A. Sedaghat , and M. Ghayour, LINEAR FLUTTER PREDICTION FOR A CANTILEVER WING MODEL, 14th Annual (International) Mechanical Engineering Conference – May 2006 Isfahan University of Technology, Isfahan, Iran.

A. Sedaghat, NORMAL FORM SOLUTION OF REDUCED ORDER OSCILLATING SYSTEMS, JAST, Vol. 3, No. 3, pp. 1-8, 2006,

A. Sedaghat , AN INVESTIGATION INTO PRECONDITIONING ITERATIVE SOLVERS FOR HYDRODYNAMIC PROBLEMS , 13th Annual (International) Mechanical Engineering Conference – May 2005 Isfahan University of Technology, Isfahan, Iran.

Ali Shadavakhsh and Ahmad Sedaghat, COMPUTATIONAL LAMINAR FLOW CONTROL OVER A POROUS FLAT PLATE, 13th Annual (International) Mechanical Engineering Conference – May 2005 Isfahan University of Technology, Isfahan, Iran.

D. Bradley, P.H. Gaskell, X.J. Gu, A. Sedaghat, Premixed flamelet modelling: Factors influencing the turbulent heat release rate source term and the turbulent burning velocity, Combustion and Flame 143 (2005) 227–245.

A. Sedaghat , NORMAL FORM SOLUTION OF REDUCED ORDER OSCILLATING SYSTEMS, 13th Annual (International) Mechanical Engineering Conference – May 2005 Isfahan University of Technology, Isfahan, Iran

A. SEDAGHAT, J. E. COOPER, A. Y. T. LEUNG AND J. R. WRIGHT, Curve fitting approach for transonic flutter prediction, Aeronautical Journal 2003, 107, 565 - 572.

D. Bradley*, P. H. Gaskella A. Sedaghat, X. J. Gu, Generation of PDFS for flame curvature and for flame stretch rate in premixed turbulent combustion, Combustion and Flame 135 (2003) 503–523.

A. SEDAGHAT, J. E. COOPER, A. Y. T. LEUNG AND J. R. WRIGHT, Limit-cycle oscillation prediction for non-linear aeroelastic systems, Aeronautical Journal 2002, 106, 27 - 32.

A. SEDAGHAT, J. E. COOPER, A. Y. T. LEUNG AND J. R. WRIGHT, ESTIMATION OF THE HOPF BIFURCATION POINT FOR AEROELASTIC SYSTEMS, Journal of Sound and Vibration (2001) 248(1), 31-42.

Sedaghat A., Vio G.A., Cooper J.E., Wright J.R., Modelling of non-linear aerodynamics during limit cycle oscillations, International Conference on Noise and Vibration Engineering (ISMA25), Leuven, Belgium 13-15 Sep. 2000.

A. Sedaghat, J.E. Cooper, J. R. Wright and A.Y.T. Leung, PREDICTION OF NONLINEAR AEROELASTIC INSTABILITIES, ICAS 2000, 27 August - 1 September 2000, Harrogate International Conference Centre, UK.

A. Sedaghat*, J.E. Cooper#, J. R. Wright§ and A.Y.T. Leung, LIMIT CYCLE OSCILLATION PREDICTION FOR AEROELASTIC SYSTEMS WITH CONTINUOUS NON-LINEARITIES, 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit,2000

SEDAGHAT A. ; ACKROYD J. A. D.; WOOD N. J., Turbulence modelling for supercritical flows including examples with passive shock control, Aeronautical Journal, 1999, vol. 103, no.1020, pp. 113-125

A. Sedaghat, An Implicit TVD Scheme with k- Le Turbulence Model for Computation of Transonic Aerofoil Flows, 1st International Conference of Iranian Aerospace Society, Amir-Kabir University, Tehran, 1999.

A. Sedaghat, J.E. Cooper, A.Y.T. Leung, and J.R. Wright, Linear Flutter Prediction Using Symbolic Programming, DYMAC 99: First International Conference on the Integration of Dynamics, Monitoring and Control September 1-3, 1999 Manchester, United Kingdom.

A Sedaghat, S Shahpar, Comparative study of high-resolution shock-capturing TVD schemes, IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY, Vol. 22, No. 1, pp. 1-16, 1998

A Finite Volume TVD Approach to Transonic Flow Computations

Sedaghat, A., Shahpar, S., Hall, I.M., Drag Reduction for Supercritical Aerofoils, ICAS-96-2.7.4, Sorrento, Napoli, Italy, 8-13 September 1996.

A. Sedghat, S. Shahpar, I.M. Hall, Mixed Finite-Difference , Finite-Volume Implicit TVD Scheme for Computation of Transonic Flows, First International Symposium on Finite Volumes for Complex Applications ..., July, 15-18, 1996, Rouen, France.