Journal Paper

1. "Study of blade type effect on the performance of drag-based in-pipe hydro-turbines for improving energy harvesting"
   Nima Hasanzadeh, Amir Farhad Najafi, Alireza Riasi
   ENERGY CONVERSION AND MANAGEMENT, Vol. 314, No 1, 2024
2. "Investigation of different deflector geometry and mechanism effect on the performance of an in-pipe hydro Savonius turbine"
   Ali Bizhanpour, Nima Hasanzadeh, Amir Farhad Najafi, Franco Magagnato
   APPLIED ENERGY, Vol. 350, No 4, 2023
3. "Effect of impeller shroud trimming on the hydraulic performance of centrifugal pumps with low and medium specific speeds"
   Masoomeh Shadab, Mohammad Karimi pour pareshkooh, Amir Farhad Najafi, Rasol Paydar, Seyed Ahmad Nourbakhsh
   Engineering Applications of Computational Fluid Mechanics, Vol. 16, No 1, pp.514-535, 2022
4. "Analytical modeling and dimensionless characteristics of open wet clutches in consideration of gravity"
   Robin Leister, Amir Farhad Najafi, Jochen Kriegseis, Bettina Frohnapfel, Davide Gatti
   FORSCHUNG IM INGENIEURWESEN-ENGINEERING RESEARCH, Vol. 85, No 4, pp.849-857, 2021
5. "Investigation of in-pipe drag-based turbine for distributed hydropower harvesting: Modeling and optimization"
   Nima Hasanzadeh, Seyed abdolkarim Payambarpour, Amir Farhad Najafi, Franco Magagnato
   JOURNAL OF CLEANER PRODUCTION, Vol. 298, No 298, 2021
6. "Non-dimensional characteristics of open wet clutches for advanced drag torque and aeration predictions"
   Robin Leister, Amir Farhad Najafi, Davide Gatti, Jochen Kriegseis, Bettina Frohnapfel
   TRIBOLOGY INTERNATIONAL, Vol. 152, 2020
7. "Investigation of deflector geometry and turbine aspect ratio effect on 3D modified in-pipe hydro Savonius turbine: Parametric study"
   Seyed abdolkarim Payambarpour, Amir Farhad Najafi, Franco Magagnato
   RENEWABLE ENERGY, Vol. 148, No 148, pp.44-59, 2020
8. "Modeling and numerical investigation on multi-objective design improvement of a novel cross-flow lift-based turbine for in-pipe hydro energy harvesting applications"
   Ali Tahadjodi Langroudi, Farzan Zare Afifi, Amin Heyrani Nobari, Amir Farhad Najafi
   ENERGY CONVERSION AND MANAGEMENT, Vol. 203, No 1, 2020
9. "Numerical study on air-core vortex: analysis of generation mechanism"
   Nima Khoshkalam, Amir Farhad Najafi, Mohammad Hasan Rahimiyan, Franco Magagnato
   ARCHIVE OF APPLIED MECHANICS, Vol. 1, No 1, 2019
10. "Investigation of Blade Number Effect on Hydraulic Performance of In-Pipe Hydro Savonius Turbine"
    S. Abdolkarim Payambarpour, Amir Farhad Najafi, Franco Magagnato
    International Journal of Rotating Machinery, Vol. 2019, No 2019, pp.1-14, 2019
11. "Experimental and numerical investigations on a new developed Savonius turbine for in-pipe hydro application"
    S. Abdolkarim Payambarpour, Amir Farhad Najafi
    PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, Vol. 1, No 1, 2019
12. "Exergy analysis of a hybrid solar‐fossil fuel power plant"
    Moslem Akbari Vakilabadi, Mokhtar Bidi, Amir Farhad Najafi, Mohammad H. Ahmadi
    Energy Science & Engineering, Vol. 7, No 1, pp.146-161, 2019
13. "Energy, Exergy analysis and optimization of solar thermal power plant with adding heat and water recovery system"
    Moslem Akbari Vakilabadi, Mokhtar Bidi, Amir Farhad Najafi
    ENERGY CONVERSION AND MANAGEMENT, Vol. 171, pp.1639-1650, 2018
14. "Numerical investigation on the convection heat transfer and drag reduction by utilizing the designed flow controlling blades on a smart sustainable house"
    Kasra Amini, Seyed Mahdi Mortazavi, Elnaz Rezaian, Amir Farhad Najafi
    ENERGY EFFICIENCY, Vol. 12, No 3, pp.757-776, 2018
15. "Numerical Simulation of Particle-Gas Flow Through a Fixed Pipe, Using One Way and Two Way Coupling Methods"
    Zafar Namazian, Amir Farhad Najafi, S. Mohsen Mousavian
    JOURNAL OF MECHANICS, Vol. 33, No 2, pp.205-212, 2017
16. "Improving slip factor prediction for centrifugal pumps using artificial neural networks"
    Mohsen Ghaderi, Amir Farhad Najafi, Seyed Ahmad Nourbakhsh
    PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, Vol. 299, No 4, pp.431-438, 2015
17. "Effect of the volute tongue profile on the performance of a low specific speed centrifugal pump"
    Hamed Alemi, Seyed Ahmad Nourbakhsh, Mehrdad Raisee, Amir Farhad Najafi
    PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, Vol. 229, No 2, pp.210-220, 2014
18. "Effect of Volute Curvature on Performance of a Low Specific-Speed Centrifugal Pump at Design and Off-Design Conditions"
    Hamed Alemi, Seyed Ahmad Nourbakhsh, Mehrdad Raisee, Amir Farhad Najafi
    JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, Vol. 137, No 4, 2014
19. "Numerical Investigations on Swirl Intensity Decay Rate for Turbulent Swirling Flow in a Fixed Pipe"
    Amir Farhad Najafi, S. Mohsen Mousavian, Kasra Amini
    INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, Vol. 53, No 10, pp.801-811, 2011
20. "Study of Hydraulic Parameters' effect on Lift Based Vertical Axis In-Pipe Turbine for Power Generation"
    [] [], محمد کریمی پور, Nima Hasanzadeh, عبدالکریم پیمبرپور, Amir Farhad Najafi
    Journal of Mechanical Engineering University of Tabriz, Vol. 52, No 3, 2022
21. "Numerical Simulation for Effect of Inducer Geometrical Variations on a Centrifugal Pump Hydraulic Performance"
    داوود پورعبدالله, Seyed abdolkarim Payambarpour, Amir Farhad Najafi, Seyed Ahmad Nourbakhsh
    Journal of Mechanical Engineering University of Tabriz, Vol. 50, No 2, pp.27-36, 2020
22. "Numerical and Experimental Analysis of Hydro Screw Turbine with Variable Pitch"
    علی حسینی مقدم امامی, یوسف یاسی, Seyed Ahmad Nourbakhsh, Amir Farhad Najafi
    Mechanical Engineering modares, Vol. 19, No 2, 2019
23. "Design and Numerical Analysis of Hydrocoil Turbine with Constant and Variable Blade’s Pitch"
    علی حسینی مقدم امامی, یوسف یاسی, Seyed Ahmad Nourbakhsh, Amir Farhad Najafi
    Journal of Mechanical Engineering University of Tabriz, Vol. 48, No 82, pp.153-162, 2018
24. "Numerical Analysis on the Effects of Impeller Geometry Parameters for a Centrifugal Pump in Reverse Operation"
    Dariush Mohammadipour, Amir Farhad Najafi, حامد عالمی, Alireza Riasi
    Mechanical Engineering modares, Vol. 17, No 9, pp.13-24, 2017
25. "Numerical investigation on the effect of fluid flow between the impeller and the"
    Mohammad Amin Dehghani, Amir Farhad Najafi, Seyed Ahmad Nourbakhsh, Hosein Shokouhmand
    Mechanical Engineering modares, Vol. 16, No 4, pp.163-174, 2016
26. "Estimation of centrifugal pump"
    محسن قادری, Amir Farhad Najafi, Seyed Ahmad Nourbakhsh
    Mechanical Engineering modares, Vol. 15, No 3, pp.199-207, 2015

Conference Paper

1. "Modelling concepts of open clutch flows-a theoretical approach"
   Robin Leister, Amir Farhad Najafi, Jochen Kriegseis, Bettina Frohnapfel
   46th Leeds Lyon; Symposium on Tribology, 2019
2. "Blade number effects on the In-pipe hydro Savonius performance"
   A. Abdolkarim Payambarpour, Nima Hasanzadeh, Amir Farhad Najafi, Franco Magagnato
   The International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows (ISAIF) 14th, 2019
3. "Investigating the impact of the driving ring on the performance of submerged mixers in water"
   پیمان سبحانی, Nima Hasanzadeh, Amir Farhad Najafi
   20th Fluid Dynamics Conference, 2023
4. "Numerical investigation of radial forces in a centrifugal pump with different percentages of Shroud cutting of the impeller"
   Masoomeh Shadab, Amir Farhad Najafi, Seyed Ahmad Nourbakhsh
   30th Annual International Conference of the Iranian Association of Mechanical Engineers, 2022
5. "Numerical investigation of the blade wrap angle variation effect on a centrifugal pump performance working as turbine"
   Dariush Mohammadipour, Amir Farhad Najafi, حامد عالمی آرانی, Alireza Riasi
   Seventheenth Fluid Dynamics Conference, 2017
6. "Investigation the effect of blade number on the performance of a Centrifugal Pump working as Turbine"
   Dariush Mohammadipour, حامد عالمی آرانی, Amir Farhad Najafi, Alireza Riasi
   25th Annual International Mechanical Engineering Conference, 2017
7. "Investigating the slip factor of a centrifugal pump using potential flow analysis"
   Siamak Jamali, Amir Farhad Najafi
   22nd Annual Conference on Mechanical Engineering, 2014
8. "Energy and exergy analysis of a microturbine and its thermo-economic-environmental optimization by genetic algorithm"
   مریم پورحسن زاده, Amir Farhad Najafi
   19th Annual Conference on Mechanical Engineering, 2011