• Influence of Geological and Technological Parameters on Effectiveness of Hydrochloric Acid Treatment of Carbonate Reservoirs 

  Krivoshchekov, S. N.؛ Vyatkin, K. A.؛ Ravelev, K. A.؛ Kochnev, A. A. (Materials and Energy Research Center, 2020-10-01)

  Hydrochloric acid treatment is the most common oil production stimulation treatment to date. Yet, most of operations fail to deliver the targeted results. For a more competent design of acid treatment of carbonate reservoirs, ...

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• Heat Transfer Performance Analysis and Optimization of Exhaust Gas Recirculation Cooler with Different Structural Characteristics 

  Liu, C. H.؛ Li, S. C.؛ Liu, C.؛ Shi, J.؛ Zhang, D. M. (Materials and Energy Research Center, 2020-10-01)

  In order to improve the heat transfer performance of an exhaust gas recirculation (EGR) cooler, different structural characteristics are numerically and experimentally studied. In numerical analyses, the presented pitted ...

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• Numerical Investigation of Nonlinear Oscillations and Compression-Only Behavior of a Coated Microbubble Near an Elastic Wall 

  Hosseini, S. B.؛ Mahdi, M. (Materials and Energy Research Center, 2020-10-01)

  During the ultrasound imaging process, the ultrasound contrast agents (UCAs) are beating near the blood vessel wall. Therefore, the purpose of the present simulation study is to investigate the effect of the presence of ...

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• Numerical Investigation of Hazardous Gas Dispersion Over Obstacles and Residential Areas 

  Fatahian, E.؛ Salarian, H.؛ Fatahian, H. (Materials and Energy Research Center, 2020-10-01)

  In the present study, an attempt has been made to use Computational Fluid Dynamics (CFD) in the assessment of hazardous gas dispersion over obstacles. For this aim, the accidental dispersion of hazardous gas from the hole ...

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• Experimental Investigation of Spur Gear Tooth Crack Location and Depth Detection using Short-time Averaging Method and Statistical Indicators 

  Rezaei, E.؛ Poursina, M.؛ Rezaei, M. (Materials and Energy Research Center, 2020-10-01)

  Gear systems are one of the most functional power transmission systems in the industry. Crack is one of the common defects in gears which is caused by excessive loading, sudden impact and shortcomings in the gears construction. ...

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• Micro-structural Deformation Field Analysis of Aluminum Foam using Finite Element Method and Digital Image Correlation 

  Akhavan, B.؛ Pourkamali Anaraki, A.؛ Malian, A.؛ Taraz Jamshidi, Y. (Materials and Energy Research Center, 2020-10-01)

  Porous materials especially closed-cell metallic foams play important roles among novel materials because of their good characteristics e.g. high strength to weight ratio and crashworthiness. On the other hand, mechanical ...

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• Effect of Porous Medium Positioning on Heat Transfer of Micro-channel with Jet 

  Alibeigi, M.؛ Farahani, S. D. (Materials and Energy Research Center, 2020-10-01)

  In this paper, the influence of the locating additive or placing porous-medium film on the heat transfer of a micro-channel by injecting fluid from its lower wall is investigated. The boundary condition slip-walls for the ...

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• An Adaptively-damped Compressible-liquid Model for Non-cavitating Hydraulic Surges 

  Chandran, R. J.؛ Raju, R.؛ Salih, A. (Materials and Energy Research Center, 2020-10-01)

  This research presents a compact and computationally-efficient two-equation compressible-liquid model. The model is specifically developed for the numerical computation of hydraulic surges in pipes under high fluid pressure ...

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• The Effect of Rapid Deformation Process to Improve Creep and Tensile Resistance of AZ91 Magnesium Alloy Plates 

  Agha Amini Fashami, H.؛ Bani Mostafa Arab, N.؛ Hosseinpour Gollo, M.؛ Nami, B. (Materials and Energy Research Center, 2020-10-01)

  Demand for increasing strength to weight ratio, elimination of electromagnetic waves, and vibration damping has led to the wide application of magnesium-base alloys such as AZ91 in various industries like aerospace, military, ...

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• Co-TiO2 Nanoparticles as the Reinforcement for Fe Soft Magnetic Composites with Enhanced Mechanical and Magnetic Properties via Pulse Electrodeposition 

  Vosough, M.؛ Sharafi, S.؛ Khayati, G. R. (Materials and Energy Research Center, 2020-10-01)

  This study is an attempt to produce surface nanocrystalline composite of Fe-Co-TiO2 at various current densities in the range of 20 to 50 mA/cm2 via pulse electrodeposition method. The prepared ...

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• A Novel Excellence Model of the ICT Industry: Case Study on Telecommunications Backbone Network of Iran 

  Zare, M. R.؛ Aghaie, A.؛ Samimi, Y.؛ Asl Hadad, A. (Materials and Energy Research Center, 2020-10-01)

  Todays, Information and Communications Technology (ICT), as one of the most effective factors of the advancement in all the aspects such as governance, security and risk, economics and technology, which is among the ...

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• A Closed-loop Supply Chain Network Design Problem in Copper Industry 

  Akbari-Kasgari, M.؛ Khademi-Zare, H.؛ Fakhrzad, M. B.؛ Hajiaghaei-Keshteli, M.؛ Honarvar, M. (Materials and Energy Research Center, 2020-10-01)

  Undoubtedly, metals are the basis of the sustainable development of all human societies. In the last century, the role of copper, as the third most widely used metal, after steel and aluminum, has been crucial. Copper is ...

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• Joint Optimization of a Bilevel Logistics Network and an Arc Interdiction Location-routing Problem 

  Babaeinesami, A.؛ Tohidi, H.؛ Seyedaliakbar, S. M. (Materials and Energy Research Center, 2020-10-01)

  There is a high interest in optimization of transportation and logistics networks due to its high impact on the economic performance of supply chain networks. This paper presents a bilevel mixed-integer programming model ...

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• A Multi-objective Sustainable Medicine Supply Chain Network Design Using a Novel Hybrid Multi-objective Metaheuristic Algorithm 

  Goodarzian, F.؛ Hosseini-Nasab, H.؛ Fakhrzad, M. B. (Materials and Energy Research Center, 2020-10-01)

  End-of-life products have a severe impact on the ecological system. Potential production policies and distribution strategies for the newly manufactured product have attracted significant attention to sustainable development. ...

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• Control of a Single Stage Boost Inverter Based on Dynamic Sliding Mode Control with Power Decoupling 

  Mohammadhassani, F.؛ Gholizade Narm, H. (Materials and Energy Research Center, 2020-10-01)

  In this paper, the problem of control a single-stage boost inverter is studied. The goal is to achieve a system with robustness against variations in parameters, fast response, high-quality AC voltage, and smooth DC current. ...

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• A Proposed Approach for Separation between Short Circuit Fault, Magnetic Saturation Phenomenon and Supply Unbalance in Permanent Magnet Synchronous Motor 

  Gherabi, Z.؛ Toumi, D.؛ Benouzza, N.؛ Bendiabdellah, A. (Materials and Energy Research Center, 2020-10-01)

  This paper proposes a new approach for discrimination between short circuit fault, magnetic saturation phenomenon and supply voltage unbalance in permanent magnet synchronous motor. This proposed approach is based on ...

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• A Fast Processing Discontinuous Control Strategy for Vienna Rectifier 

  Fadaeian, T.؛ Gholamian, S. A.؛ Ghoreishy, H. (Materials and Energy Research Center, 2020-10-01)

  In this paper, Vienna rectifier has been inspected as one of the prominent topologies among three-level switched-mode rectifiers. A fast processing discontinuous modulation strategy has been proposed with the aim of improving ...

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• Seamless Transition in Grid-connected Microgrid System using Proportional Resonant Controller 

  Lavanya, V.؛ Senthil Kumar, N. (Materials and Energy Research Center, 2020-10-01)

  In this paper, the design of an inverter control structure based on the Proportional Resonant (PR) controller is dealt with in detail for attaining smooth transitions between the operating modes of a grid- connected  ...

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• A Multilayer Motion Direction Based Model for Tracking Vehicles at Intersections 

  Delavarian, M.؛ Marouzi, O.؛ Hassanpour, H. (Materials and Energy Research Center, 2020-10-01)

  Visual vehicle tracking is an important topic in intelligent transportation systems. Intersections are challenging locations for visual systems to track vehicles which are simultaneously moving in different directions. In ...

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• Projectiles Optimization: A Novel Metaheuristic Algorithm for Global Optimization 

  Kahrizi, M. R.؛ Kabudian, S. J. (Materials and Energy Research Center, 2020-10-01)

  Metaheuristic optimization algorithms are a relatively new class of optimization algorithms that are widely used for difficult optimization problems in which classic methods cannot be applied and are considered as known ...

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