Volume 32, Issue 11
مرور بر اساس
ارسال های اخیر
-
A Comprehensive Study of the Hydroforming Process of Metallic Bellows: Investigation and Multi-objective Optimization of the Process Parameters
(Materials and Energy Research Center, 2019-11-01)In this paper, for the first time, a comprehensive experimental study is performed on hydroforming process of metallic bellows. For this purpose, the effects of the main process parameters and their interactions on the ...
-
A Characteristic-based Solution of Forced and Free Convection in Closed Domains with Emphasis on Various Fluids
(Materials and Energy Research Center, 2019-11-01)In this paper, forced and free convection in the cavity is simulated numerically with complex boundary conditions. Temperature changes sinusoidally at the upper and right walls and the temperature of the other walls is ...
-
A Comprehensive Mathematical Model for a Location-routing-inventory Problem under Uncertain Demand: a Numerical Illustration in Cash-in-transit Sector
(Materials and Energy Research Center, 2019-11-01)The purpose of this article is to model and solve an integrated location, routing and inventory problem (LRIP) in cash-in-transit (CIT) sector. In real operation of cash transportation, to decrease total cost and to reduce ...
-
Joint Allocation of Computational and Communication Resources to Improve Energy Efficiency in Cellular Networks
(Materials and Energy Research Center, 2019-11-01)Mobile cloud computing (MCC) is a new technology that has been developed to overcome the restrictions of smart mobile devices (e.g. battery, processing power, storage capacity, etc.) to send a part of the program (with ...
-
Energy and Exergy Evaluation of Multi-channel Photovoltaic/Thermal Hybrid System: Simulation and Experiment
(Materials and Energy Research Center, 2019-11-01)In this research, a pilot study and analysis of an innovative multi-channel photovoltaic/thermal (MCPV/T) system in a geographic location (35° 44' 35'' N, 50° 57' 25'' E) has been carried out. This system consists of ...
-
Numerical and Experimental Investigation of Motor Pressure Effect on Thermochemical Erosion of Graphite Nozzle in Solid Fuel Engines
(Materials and Energy Research Center, 2019-11-01)Using heat shield, especially in throat area has a significant effect on combustion chamber pressure and thermal efficiency of solid fuel engines. Precise prediction of the regression of throat area for different pressures, ...
-
The Simultaneous Effect of Holding Safety Stock and Purchasing Policies on the Economic Production Quantity Model Subject to Random Machine Breakdown
(Materials and Energy Research Center, 2019-11-01)In this paper, we develop an economic production quantity (EPQ) model under machine breakdown and two types of repair (corrective and preventive). also, study the simultaneous effect of holding safety stock and purchasing ...
-
Comparison of Seismic Behavior of Buckling-restrained Braces and Yielding Brace System in Irregular and Regular Steel Frames under Mainshock and Mainshock-Aftershock
(Materials and Energy Research Center, 2019-11-01)Due to low stiffness of braces after yielding, the structures with buckling-restrained braces (BRBs) experience high residual drifts during an earthquake, which can be intensified by aftershocks and causes considerable ...
-
Strain and Damage Sensing Property of Self-compacting Concrete Reinforced with Carbon Fibers
(Materials and Energy Research Center, 2019-11-01)Present paper investigated the strain and damage sensing property on concrete cubes embedded with carbon fibers. Concrete cubes of dimension 150 mm have been casted with different concentration of carbon fibers to study ...
-
An Analysis Method on Post-earthquake Traversability of Road Network Considering Building Collapse
(Materials and Energy Research Center, 2019-11-01)This study aims at quantifying the influence on the traversability of road network of road network caused by building collapse in earthquake. To this end, an analysis method on post-earthquake traversability of road network ...
-
Voltage Regulation of DC-DC Series Resonant Converter Operating in Discontinuous Conduction Mode: The Hybrid Control Approach
(Materials and Energy Research Center, 2019-11-01)Dynamic modeling and control of dc-dc series resonant converter (SRC) especially when operating in discontinuous conduction mode (DCM) is still a challenge in power electronics. Due to semiconductors switching, SRC is ...
-
Prediction of Engineered Cementitious Composite Material Properties Using Artificial Neural Network
(Materials and Energy Research Center, 2019-11-01)Cement-based composite materials like Engineered Cementitious Composites (ECCs) are applicable in the strengthening of structures because of the high tensile strength and strain. Proper mix proportion, which has the best ...
-
Structural Behavior of Axially Loaded Composite Concrete-steel Plate Shear Walls
(Materials and Energy Research Center, 2019-11-01)composite concrete-steel plate shear walls are the most critical resisting structural members that resist lateral and axial loads. This type of wall consisting of two steel faceplates presenting the outer skin, infill ...
-
Experimental Investigation on Cyclic Behavior of Butterfly-shaped Links Steel Plate Shear Walls
(Materials and Energy Research Center, 2019-11-01)An innovative type called "butterfly-shaped links steel plate shear wall (BLSPSW)" was proposed as a lateral load resisting system. In this novel system, by creating butterfly-shaped links in the four sides of the web ...
-
Seismic Mitigation of Building Frames using Magnetorheological Damper (TECHNICAL NOTE)
(Materials and Energy Research Center, 2019-11-01)The present study focusses on the damping force control of shear mode magnetorheological (MR) damper for seismic mitigations. Therefore, the semi-active MR damper which can control the vibration is analyzed both experimentally ...
-
Stimuli-responsive Biosynthesis of Gold Nanoparticles: Optimization, Kinetics, and Thermodynamics of Biosorption
(Materials and Energy Research Center, 2019-11-01)Green nanotechnology with the goal of producing sustainable nanomaterials in an eco-friendly approach is becoming an increasing necessity for nanomanufacturing industries. In this regards, biosynthesis is well adopted as ...



