مرور Volume 32, Issue 1 بر اساس عنوان
در حال نمایش موارد 1 - 17 از 17
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Control of Formation of Intermetallic Compound in Dissimilar Joints Aluminum-steel
(Materials and Energy Research Center, 2019-01-01)The elimination of the FexAly type phases was considered the solution to low ductility presented in aluminum-steel welded joints. Recently, the researches do not seek the suppression but the control ...
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Diagnosis of Delaminated Composites Using Post-processed Strain Measurements under Impact Loading
(Materials and Energy Research Center, 2019-01-01)Potentially having a destructive influence on the mechanical properties of composite laminates, the invisible phenomenon of delamination frequently occurs under impact loading. In the present study, simulating the performance ...
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Effect of Residual Stress on Failure of Tube-to-tubesheet Weld in Heat Exchangers
(Materials and Energy Research Center, 2019-01-01)In a shell and tube heat exchanger, the failure of tube-to-tubesheet welds results in high-pressure water jet which erodes the refractory in front of the tubesheet. Finite element method was employed to simulate the welding ...
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Effects of Radial Imperfection on the Load Capacity of Round HSS Columns
(Materials and Energy Research Center, 2019-01-01)Geometric imperfections such as radial imperfection, diamond shape, and local dimples could affect the buckling mode and load carrying capacity of axially compressed steel tubular columns. This paper experimentally ...
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Effects of Various Ageing Heat Treatments on Microstructural Features and Hardness of Piston Aluminum Alloy
(Materials and Energy Research Center, 2019-01-01)Piston aluminum alloys have different intermetallic phases, such as Cu3Al, Mg2Si ,and AlNi phases. The morphology and the distribution of such phases have important roles on mechanical properties of ...
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Experimental Hysteresis Identification and Micro-position Control of a Shape-Memory-Alloy Rod Actuator
(Materials and Energy Research Center, 2019-01-01)In order to exhaustively exploit the high-level capabilities of shape memory alloys (SMAs), they must be applied in control systems applications. However, because of their hysteretic inherent, dilatory response, and nonlinear ...
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Face Recognition in Thermal Images based on Sparse Classifier
(Materials and Energy Research Center, 2019-01-01)Despite recent advances in face recognition systems, they suffer from serious problems because of the extensive types of changes in human face (changes like light, glasses, head tilt, different emotional modes). Each one ...
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Flow Seals Parameters Analysis For Rotors
(Materials and Energy Research Center, 2019-01-01)The interaction of work fluid mechanics with that of the rotary system itself, basically composed of axes, bearings and rotors, is performed by inserting equivalent dynamic coefficients in the mathematical model of the ...
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Hopper Wall Simulation in ANSYS to Determine Displacement Due to Single Ball Impact
(Materials and Energy Research Center, 2019-01-01)Deformation of the silo wall due to the single ball impact is modeled in ANSYS. The material in silo, as a Winkler bed, is replaced by spring-damper elements and the spring stiffness and damper coefficients are evaluated ...
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Instrumentation Readings versus Numerical Analysis of Taham Dam
(Materials and Energy Research Center, 2019-01-01)Dam construction is one of the challenges among large-scale projects of a country. Among different types of dams, due to special features, earth dams are the most kind of dams that were constructed in Iran in the past three ...
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A Lagrangian Decomposition Algorithm for Robust Green Transportation Location Problem
(Materials and Energy Research Center, 2019-01-01)In this paper, a green transportation location problem is considered with uncertain demand parameter. Increasing robustness influences the number of trucks for sending goods and products, caused consequently, increase the ...
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A Numerical Simulation of Vanadium Redox Flow Batteries
(Materials and Energy Research Center, 2019-01-01)The recent penetration of renewable sources in the energy system caused a transformation of the needs of the distribution system and amplified the need of energy storage systems to properly balance the electricity grid. ...
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On Numerical Investigation of Semi-empirical Relations Representing Local Nusselt Number at Lower Nozzle-target Spacing’s
(Materials and Energy Research Center, 2019-01-01)Examining the cooling rate using impingement of air jet finds a wide application in electronic packaging and micro-scale fluid heat interaction systems, While the prediction of Nusselt profile at low nozzle-target spacing ...
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Process Performance of a Granular Single Bioreactor with Continuous Feeding and Intermittent Discharge Regime Treating Dairy Wastewater
(Materials and Energy Research Center, 2019-01-01)In this study, granulated sludge synthesized in a sequence batch reactor (SBR) and then granulated sludge was transferred to continuous feeding and intermittent discharge (CFID) bioreactor. Two independent variables (air ...
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Rolling Bearing Fault Analysis by Interpolating Windowed DFT Algorithm
(Materials and Energy Research Center, 2019-01-01)This paper focuses on the problem of accurate Fault Characteristic Frequency (FCF) estimation of rolling bearing. Teager-Kaiser Energy Operator (TKEO) demodulation has been applied widely to rolling bearing fault detection. ...
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Structure-property Interaction in Flux Assisted Tungsten Inert Gas Welding of Austenitic Stainless Steel
(Materials and Energy Research Center, 2019-01-01)Austenitic stainless steel SS304 grade was welded with active Tungsten Inert Gas (TIG) welding process by applying a flux paste made of SiO2 powder and acetone. SiO2 flux application improves the weld bead depth with a ...
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Study on the Contrast between Two Seismic Response Analysis Programs of Soil Layer
(Materials and Energy Research Center, 2019-01-01)56 ground motions of the bedrock and surface are selected from 28 stiff sites ( site class I and site classⅡ) of the KiK-net station.The peak acceleration, response spectra and shear strain of actual hard sites are calculated ...



