مرور Volume 27, Issue 5 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 14 از 14
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Synthesis of Tantalum Carbide/Boride Nano Composite Powders by Mechanochemical Method
(Materials and Energy Research Center, 2014-05-01)In this study, mechanochemcical process(MCP) is applied to synthesize ultrafine TaC powders. In this research, nano powder composite TaC-TaB2 was produced using mixtures of tantalum carbide and boron carbide as raw materials ...
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AC Electrophoresis; Deposition of Ceramic Nanaoparticles on In-plane Electrodes at Low Frequencies (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-05-01)Deposition of ceramic nanoparticles (dispersed in a non-aqueous suspension) on in-plane electrodes and under the influence of AC electric fields in the frequency range of 0.01 Hz - 10 kHz is investigated. Analysis of the ...
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The Investigation of Modelling Material Behavior in Autofrettaged Tubes Made from Aluminium Alloys
(Materials and Energy Research Center, 2014-05-01)Normal 0 false false false EN-US X-NONE AR-SA The ratio of compression yield strength to the initial tensile yield strength is called Bauschinger effect factor, BEF. A nonlinear strain hardening mathematical model ...
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Mapping CRC Card into Stochastic Petri Net for Analyzing and Evaluating Quality Parameter of Security (TECHNICAL NOTE)
(Materials and Energy Research Center, 2014-05-01)CRC cards are unconventional method for identifying and describing classes, behavior and its responsibilities and collaborators of class. Representation of three categories of class, responsibilities and collaborators can ...
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Stability Assessment Metamorphic Approach (SAMA) for Effective Scheduling based on Fault Tolerance in Computational Grid
(Materials and Energy Research Center, 2014-05-01)Grid Computing allows coordinated and controlled resource sharing and problem solving in multi-institutional, dynamic virtual organizations. Moreover, fault tolerance and task scheduling is an important issue for large ...
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A Robust STATCOM Controller using Particle Swarm Optimization
(Materials and Energy Research Center, 2014-05-01)In this paper, a statcom without any energy storage devices is proposed to compensate network voltage during disturbances. This statcom utilizes a matrix converter in its topology which eliminates the DC-link capacitor of ...
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A Capacitive Fed Microstrip Patch Antenna with Air Gap for Wideband Applications (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-05-01)In this paper a microstrip antenna on a suspended substrate with capacitive feed is presented. capacitive feed is created by a slot within the rectangular patch around the feed point. The proposed antenna exhibits a much ...
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Simulation of Store Separation using Low-cost CFD with Dynamic Meshing
(Materials and Energy Research Center, 2014-05-01)The simulation of the store separation using the automatic coupling of dynamic equations with flow aerodynamics is addressed. The precision and cost (calculation time) were considered as comparators. The method used in the ...
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An Outrun Competition of Corrosion Fatigue and Stress Corrosion Cracking on Crack Initiation in a Compressor Blade
(Materials and Energy Research Center, 2014-05-01)First row rotating blades of four axial-flow compressors were prematurely fractured. Previous investigations showed that the site atmosphere contains corrosive compounds which lead to an increase in possibility of pitting ...
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An Analytical Model for Flame Propagation through Moist Lycopodium Particles with Non-unity Lewis Number
(Materials and Energy Research Center, 2014-05-01)In this investigation, the structure of one-dimensional flame propagation in uniform cloud of volatile organic particles has been analyzed in which the structure of flame is divided into three zones. The first zone is ...
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Drying Kinetics of Muscat Grapes in a Solar Drier with Evacuated Tube Collector
(Materials and Energy Research Center, 2014-05-01)A solar drier assisted with evacuated tube collector is designed and developed to study and examine the drying Kinetics of muscat grapes in Thanjavur, Tamilnadu, India. During the drying period, temperature at various ...
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Estimating Reliability in Mobile ad-hoc Networks Based on Monte Carlo Simulation (TECHNICAL NOTE)
(Materials and Energy Research Center, 2014-05-01)Each system has its own definition of reliability. Reliability in mobile ad-hoc networks (MANET) could be interpreted as, the probability of reaching a message from a source node to destination, successfully. The variability ...
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Entropy-based Serviceability Assessment of Water Distribution Networks, Subjected to Natural and Man-Made Hazards
(Materials and Energy Research Center, 2014-05-01)In this study a modified entropy-based measure is presented for evaluating the serviceability level of water distribution networks in which the hydraulic uncertainties (flow rates in pipes) as well as the uncertainties due ...
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Dimensionality Reduction and Improving the Performance of Automatic Modulation Classification using Genetic Programming (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-05-01)This paper shows how we can make advantage of using genetic programming in selection of suitable features for automatic modulation recognition. Automatic modulation recognition is one of the essential components of modern ...



