Sharif Digital Repository

The formation and dissociation energy of vacancies in cementite: A first-principles study

Author

Mehrdad Zamzamian, S.

Publisher

Elsevier B.V,

Pub. Year

2021

Subjects

Dissociation. / Iron. / Vacancies. / Carbon vacancy. / Crystalline structure. / Dissociation energies. / First principle method. / First principles. / First-principle study. / Formation energies. / Interstitial positions. / Mirror plane. / Single vacancies. / Carbides.

Optimization of the marinelli beaker dimensions using genetic algorithm

Author

Zamzamian, S. M.

Pub. Year

2017

Subjects

MCNPX2.6. / Calculation. / Aluminum. / Digital storage. / Genetic algorithms. / Germanium. / Computational codes. / Detector materials. / Fitting to data. / HPGe detectors. / Marinelli beakers. / Mathematical formulas. / Optimum dimensions. / Optimization. / Crystal structure. / Data set. / Equipment. / HPGe detector. / Gamma spectrometry. / Genetic algorithm. / Laboratory device. / Marinelli beaker. / Mathematical model. / Measurement. / Parameters. / Radiation detector. / Reaction optimization. / Simulation. / Thickness. / Volume. / Algorithm. / Chemical model. / Algorithms. / Models, chemical.

Atomistic simulation of the effect of radiation-induced point defects on uniaxial tension behavior of single-crystal α-Fe containing low carbon in solution

Author

Zamzamian, S. M.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2022

Determining of the optimized dimensions of the Marinelli beaker containing source with inhomogeneous emission rate by using genetic algorithm coupled with MCNP and determining distribution type by neural networks

Author

Zamzamian, S. M.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Genetic algorithm. / HPGe detector. / Marinelli beaker. / MCNPX2.6. / Genetic algorithms. / Germanium compounds. / Neural networks. / Detection efficiency. / Emission probabilities. / Energy resolutions. / HPGe detectors. / Marinelli beakers. / Optimum dimensions. / Radiation interactions. / Particulate emissions. / Cesium 137. / Cobalt 60. / Artificial neural network. / Calibration. / Chemical parameters. / Computer simulation. / Controlled study. / Gamma radiation. / Gamma spectrometry. / Inhomogeneous emission rate. / Mathematical model. / Measurement accuracy. / Molecular dynamics. / Monte Carlo method. / Multilayer perceptron. / Priority journal. / Probability. / Process optimization. / Radiation absorption. / Radiation detection. / Radiation dose distribution. / Radiation scattering. / Radioactivity. / Validation process.

Atomistic investigation of the effects of symmetric tilt grain boundary structures on irradiation response of the α-Fe containing carbon in solution

Author

Zamzamian, S. M.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Defects. / Grain boundary. / LAMMPS. / Low-carbon α-Fe. / Molecular dynamics. / Grain boundaries. / Point defects. / Boundary planes. / Carbon in solutions. / Low carbon. / Mis-orientation. / Molecular dynamics simulations. / Thermal spikes. / Tilt grain boundary. / Iron alloys.

Atomistic simulation of the effect of carbon content and carbon-rich region on irradiation response of α-Fe on picosecond timescale

Author

Zamzamian, S. M.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

C-rich region. / Frenkel pairs. / Molecular dynamic. / Pseudo-precipitation. / Q-Fe low carbon steel. / Atoms. / Cluster analysis. / Irradiation. / Mechanical properties. / Molecular dynamics. / Nuclear fuels. / Nuclear power plants. / Pressure vessels. / Radiation damage. / Atomistic simulations. / LAMMPS. / Molecular dynamics simulations. / Number of carbon atoms. / Primary knock-on atoms. / Reactor Pressure Vessel. / Self-interstitial atoms. / Low carbon steel.

Simultaneous alpha and gamma discrimination with a phoswich detector using a rise time method and an artificial neural network method

Author

Panahi, R.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Alpha particles. / Artificial neural network. / Gamma rays. / Phoswich detector. / Rise time discrimination. / Alpha particles. / Cesium iodide. / Discriminators. / Neural networks. / Temperature measuring instruments. / Artificial neural network methods. / Charge ratio. / Digital methods. / Parameter diagram. / Phoswich detector. / Pulse height. / Pulse risetime. / Risetimes. / Gamma rays. / Americium 241. / Cesium 137. / Alpha radiation. / Article. / Artificial neural network. / Calibration. / Electric potential. / Gamma radiation. / Particle radiation. / Priority journal. / Radiation and radiation related phenomena. / Radiation energy. / Radioisotope decay. / Rise time discrimination. / Spectroscopy.

Flight envelope expansion in landing phase using classic, intelligent and adaptive controllers [electronic resource] / S. M. B. Malaek, Hojjat Allah Izadi, Mehrdad Pakme.

Author

Malaek .S. M. B.

Experimental investigation of forced convective heat transfer coefficient in nanofluids of Al2O3/EG and CuO/EG in a double pipe and plate heat exchangers under turbulent flow

Author

Zamzamian, A.

Pub. Year

2011

Subjects

Copper oxide. / Aluminum oxides. / Convective heat transfer Coefficient. / Experimental data. / Experimental investigations. / Forced convective heat transfer. / Heat characteristics. / Heat transfer enhancement. / Higher temperatures. / Nano-fluid. / Nanofluids. / Nanometer-sized particles. / Operating temperature. / Particle concentrations. / Physical and chemical properties. / Plate heat exchangers. / Prominent features. / Aluminum. / Chemical properties. / Copper. / Ethylene. / Ethylene glycol. / Fluids. / Heat convection. / Heat exchangers. / Heat transfer coefficients. / Nanoparticles. / Oxides. / Pipe. / Suspensions (fluids) / Turbulent flow. / Nanofluidics.

A study on the mobility of [formula presented] edge dislocation in low-carbon α-Fe and its interactions with damage cascade: on picosecond time scale using molecular dynamics simulations

Author

Zamzamian, M.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Edge dislocation mobility. / LAMMPS. / Carbon. / Edge dislocations. / Molecular dynamics. / Point defects. / Shear stress. / Closed-form expression. / Dislocation mobility. / Frenkel pairs. / LAMMPS. / Low carbon. / Mathematical expressions. / Molecular dynamics simulations. / Picosecond time scale. / Single crystals.

Enhancing cerium oxide nanoparticle stability in diesel–biodiesel blends via alumina nanoparticle amalgamation

Author

Baghban Ronaghi, T.

Pub. Year

2024

Subjects

Combustion efficiency. / Alumina. / Aluminum oxide. / Cerium oxide. / Diesel engines. / Energy efficiency. / Nanocomposites. / Nanoparticles. / Stability. / Thermodynamic properties. / Waste incineration. / Reductions. / Alumina nanoparticle. / Bio-diesel blends. / Ceria nanoparticles. / Cerium oxide nanoparticle. / Combustion property. / Fuel blends. / Nanofuel. / Stability improvement. / Biodiesel.

Development and construction of a cost-effective non-contact instrument for measuring the dielectric constant of liquids

Author

Hassanpouryouzband, A.

Pub. Year

2024

Subjects

Capacitance. / Capacitor bank. / Capacitors. / Dielectric liquids. / Relaxation oscillators. / Vibrators. / Solvent. / A-stable. / Calibration equations. / Capacitor network. / Cell/B.E. / Contact instruments. / Cost effective. / Non-contact. / Noncontact methods. / Pure liquids. / Relaxation frequency. / Calibration. / Dielectric constant. / Drug analysis. / Environmental temperature. / Liquid. / Oscillation. / Oscillator. / Prediction. / Frequency stability.

An efficient graphyne membrane for water desalination

Author

Mehrdad, M.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Functional groups. / Molecular dynamics. / Nanoporous graphyne. / RDF. / Water desalination. / Desalination. / Ions. / Osmosis membranes. / Water filtration. / Distribution of water. / Effective diameter. / Graphyne. / Molecular dynamics simulations. / Nanoporous membrane. / Salt concentration. / Water permeability. / Saline water.