Volume 33, Issue 8
مرور بر اساس
ارسال های اخیر
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Vibration and Noise Reduction Optimization Design of Mine Chute with Foam Aluminum Laminated Structure
(Materials and Energy Research Center, 2020-08-01)The mining chute is an important equipment in the process of coal transportation and coal screening preparation. During the working process, the mining chute will generate a lot of vibration and noise because of constantly ...
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Mechanical Properties Analysis of Bilayer Euler-Bernoulli Beams Based on Elasticity Theory
(Materials and Energy Research Center, 2020-08-01)This paper analyzes the effects of structures and loads on the static bending and free vibration problems of bilayer beams. Based on static mechanical equilibrium and energy equilibrium, the static and dynamic governing ...
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Effect of Wire Pitch on Capacity of Single Staggered Wire and Tube Heat Exchanger Using Computational Fluid Dynamic Simulation
(Materials and Energy Research Center, 2020-08-01)Single staggered is a design development of normal wire and tube heat exchanger that wires are welded with staggered configuration on two sides. Capacity of wire and tube heat exchanger is the ability of the heat exchanger ...
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Control of Electric Wheelchair Suspension System based on Biodynamic Response of Seated Human Body
(Materials and Energy Research Center, 2020-08-01)Electric wheelchair is one of the equipment to be used by the incapacitated and disable people. Constant exposure to vibration affects human comfort and health. Reducing the vibrations transmitted to the human body is ...
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Taguchi Approach and Response Surface Analysis for Design of a High-performance Single-walled Carbon Nanotube Bundle Interconnects in a Full Adder
(Materials and Energy Research Center, 2020-08-01)In this study, it was attempted to design a high-performance single-walled carbon nanotube (SWCNT) bundle interconnects in a full adder. For this purpose, the circuit performance was investigated using simulation in HSPICE ...
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Investigation of Wear Behavior of Biopolymers for Total Knee Replacements Through Invitro Experimentation
(Materials and Energy Research Center, 2020-08-01)The average life span of knee prosthesis used in Total Knee Replacement (TKR) is approximately 10 to 15 years. Literature indicates that the reasons for implant failures include wear, infection, instability, and stiffness. ...
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Durability Performance of Self Compacting Concrete Incorporating Alccofine and Fly Ash
(Materials and Energy Research Center, 2020-08-01)The cost associated with the application of large volume of cement and synthetic admixtures was one of the major drawbacks of Self Compacting Concrete (SCC), which can be reduced by the use of supplementary cementitious ...
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Numerical and Experimental Investigations on the Behavior of Steel-reinforced Concrete Columns Subjected to Eccentric Loading
(Materials and Energy Research Center, 2020-08-01)Steel-reinforced concrete (SRC) columns, which are classified as composite columns, became the most widely used in recent years; because of their extensive advantages over the reinforced concrete and the steel columns. In ...
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Predicting Shear Capacity of Panel Zone Using Neural Network and Genetic Algorithm
(Materials and Energy Research Center, 2020-08-01)Investigating the behavior of the box-shaped column panel zone has been one of the major concerns of scientists in the field. In the American Institute of Steel Construction the shear capacity of I-shaped cross- sections ...
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The Efficiency of Hybrid BNN-DWT for Predicting the Construction and Demolition Waste Concrete Strength
(Materials and Energy Research Center, 2020-08-01)The current study focuses on two main goals. First, with the use of construction and demolition (C&D) of building materials, a new aggregate was produced and it was utilized for green concrete production. The compressive ...
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Evaluation of Dynamic Probing Testing Effect in Hand Excavated Pit on Test Results Using Numerical Modeling
(Materials and Energy Research Center, 2020-08-01)In Iran, using the hand excavated pits (wells) have been more common compared to other countries. As a matter of fact, recent years, utilizing the dynamic probing test (DPT) in these types of pits has been significantly ...
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Numerical Analysis of Stress Distribution During Tunneling in Clay Stone Rock
(Materials and Energy Research Center, 2020-08-01)Modern technology has been used to build tunnels in recent years by means of drilling machines (TBM) that were used for civil engineering work in large cities to reduce the harmful effects of spending on the surface of the ...
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Experimental Study of the Combined Use of Fiber and Nano Silica Particles on the Properties of Lightweight Self Compacting Concrete
(Materials and Energy Research Center, 2020-08-01)In fiber concretes, microcracks in the boundary area between the cement paste and the surface of aggregates or fibers are higher. Natural and artificial pozzolans can be used for reinforcing this area. In this research, ...
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Ranking Passive Seismic Control Systems by Their Effectiveness in Reducing Responses of High-Rise Buildings with Concrete Shear Walls Using Multiple-Criteria Decision Making
(Materials and Energy Research Center, 2020-08-01)In recent decades, the dual systems of steel moment-resisting frames and RC shear walls have found extensive application as lateral load-resisting systems for high-rise structures in seismically active areas. This paper ...
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Numerical Modeling of Non-equilibrium Plasma Discharge of Hydrogenated Silicon Nitride (SiH4/NH3/H2)
(Materials and Energy Research Center, 2020-08-01)In this work, we model a radiofrequency discharge of hydrogenated silicon nitride in a capacitive coupled plasma reactor using Maxwellian and non-Maxwellian electron energy distribution function. The purpose is to investigate ...
