Volume 32, Issue 10
مرور بر اساس
ارسال های اخیر
-
Evaluation of the Impacting Factors on Sustainable Mining Development, Using the Grey-Decision Making Trial and Evaluation Laboratory Approach
(Materials and Energy Research Center, 2019-10-01)Due to great effect of mining operation on environment and dependent sides, paying attention to the aspects of sustainable development (SD) is important. A conjugation of Grey theory and Decision-Making Trial and Evaluation ...
-
Suppliers Selection in Consideration of Risks by a Neural Network
(Materials and Energy Research Center, 2019-10-01)Faced with the dynamic demands of a changing market, companies are facing fierce competition, which forces them to consider more and more new approaches to improve quality, reduce costs, produce on time, control their risks ...
-
A New Mathematical Model for a Multi-product Supply Chain Network with a Preventive Maintenance Policy
(Materials and Energy Research Center, 2019-10-01)The supply chain network design (SCND) implicates decision-making at a strategic level and makes it possible to create an effective and helpful context for managing. The aim of the network is to minimize the total cost so ...
-
Thermal Analysis of Friction Stir Welding with a Complex Curved Welding Seam (TECHNICAL NOTE)
(Materials and Energy Research Center, 2019-10-01)Friction stir welding (FSW) can be defined as a green technology, because the consumption of energy during this process is less than other welding methods. In addition, during the process there is no gas, filler material ...
-
Numerical Investigation of the Influence of Sand Particle Concentration on Long Radius Elbow Erosion for Liquid-Solid Flow
(Materials and Energy Research Center, 2019-10-01)Erosion caused by sand transportation in flow changing devices is a serious concern in the hydrocarbon and mineral processing industry, which entail to failure and malfunction of flow devices. In this study, computational ...
-
A Mathematical Model and Grouping Imperialist Competitive Algorithm for Integrated Quay Crane and Yard Truck Scheduling Problem with Non-crossing Constraint
(Materials and Energy Research Center, 2019-10-01)In this research, an integrated approach is presented to simultaneously solve quay crane scheduling and yard truck scheduling problems. A mathematical model was proposed considering the main real-world assumptions such as ...
-
Buckling Behavior of Semi-scale Steel Tank with Carbon Fiber Reinforced Polymer Ring Subjected to Lateral Uniform Pressure Loading
(Materials and Energy Research Center, 2019-10-01)Research on increasing the buckling strength of tanks carrying fluid and also cylindrical shells of thin-walled steel in civil engineering and mechanics is important. This is due to the widespread use of these structures ...
-
Direct Displacement Based Design of Reinforced Concrete Elevated Water Tanks Frame Staging
(Materials and Energy Research Center, 2019-10-01)Elevated water tanks supported by the reinforced concrete (RC) Staging are classified as inverted pendulum structures. These are considered as structures of high post-earthquake importance and should remain functional after ...
-
Implementation of Optimal Load Balancing Strategy for Hybrid Energy Management System in DC/AC Microgrid with PV and Battery Storage
(Materials and Energy Research Center, 2019-10-01)The proposed paper presents the DC/AC microgrid modeling using the Energy storage units and photovoltaic (PV) panels. The modal consists of a two stage power conversion. The power is supplied to the both DC and AC loads ...
-
Experimental and Numerical Modeling of the Effect of Groundwater Table Lowering on Bearing Capacity of Shallow Square Footings
(Materials and Energy Research Center, 2019-10-01)The lowering of the groundwater table causes the area above the water table to become unsaturated and capillary phenomena to appear in this zone. This means that the bearing capacity of shallow footings will be influenced ...
-
Effect of Novel Swirl Distributor Plate on Hydrodynamics of Fluidized Bed Gasifier
(Materials and Energy Research Center, 2019-10-01)The main advantage of a fluidized bed is its capability in excellent gas-fuel mixing. However, due to the lacks of gas radial momentum, its lateral mixing of gas-solid is not adequate. Therefore, this research is focused ...
-
Dynamic Analysis of Suspension Footbridges Using an Actual Pedestrian Load Model Compared with EUR23984 EN Requirements
(Materials and Energy Research Center, 2019-10-01)The suspension footbridges are very flexible due to their geometrical structure; hence they may face severe vibration problems induced mainly by natural forces and pedestrians crossing. By exceeding a certain limit, these ...
-
Extraction of Molybdenum (VI) and Vanadium (V) from Nitrate Solutions Using Coupling of Acid and Solvating Extractants (RESEARCH NOTE)
(Materials and Energy Research Center, 2019-10-01)In this study, solvent extraction method has been utilized for separation of molybdenum and vanadium from nitrate solution by utilizing coupling of acid and solvating extractants (D2EHPA and TBP extractants). The outcomes ...
-
Damage Assessment of Reinforced Concrete Buildings Considering Irregularities (RESEARCH NOTE)
(Materials and Energy Research Center, 2019-10-01)Structural damage can be controlled in performance based seismic design (PBSD) according to the requirement under a certain hazard level. During strong ground motion (GM) such buildings suffer minor to major damages depending ...
-
Mesoporous WO3/TiO2 Nanocomposites Photocatalyst for Rapid Degradation of Methylene Blue in Aqueous Medium
(Materials and Energy Research Center, 2019-10-01)This paper presents the wet chemical synthesis of WO3/TiO2 nanocomposites using hydrothermally prepared monoclinic WO3 and anatase TiO2 nanoparticles as composite matrices and ...
-
Predicting the Coefficients of Antoine Equation Using the Artificial Neural Network (TECHNICAL NOTE)
(Materials and Energy Research Center, 2019-10-01)Neural network is one of the new soft computing methods commonly used for prediction of the thermodynamic properties of pure fluids and mixtures. In this study, we have used this soft computing method to predict the ...