Sharif Digital Repository

Friction stir soldering: a novel route to produce graphite-copper dissimilar joints

Author

Ebrahimian, A.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Friction stir soldering. / Graphite-metal joint. / Heat-input. / Intermetallic compounds. / Pb-Sn solder. / Coatings. / Copper. / Electroplating. / Friction. / Friction stir welding. / Graphite. / Intermetallics. / Lead. / Lead compounds. / Metal coatings. / Soldering alloys. / Surface roughness. / Tin. / Tribology. / Contact surface area. / Electroplating process. / Friction stir. / Heat input. / High rotational speed. / Mechanical behaviour. / Mechanical interlocking. / Metal joints. / Soldering.

Lipid production in mixotrophic cultivation of Chlorella vulgaris in a mixture of primary and secondary municipal wastewater

Author

Ebrahimian, A.

Pub. Year

2014

Subjects

Chlorella vulgaris. / Lipid production. / Mixotrophic cultivation. / Municipal wastewater. / Batch cell culture. / Biomass. / Carbon dioxide. / Mixtures. / Productivity. / Sodium bicarbonate. / Biomass productivity. / Effect of parameters. / Hydrogen carbonates. / Lipid productions. / Lipid productivities. / Mixotrophic cultivations. / Municipal wastewaters. / Nitrogen removal. / Concentration (composition) / Cultivation. / Light intensity. / Lipid. / Microalga. / Wastewater.

Equivalent mechanical model of liquid sloshing in multi-baffled containers

Author

Ebrahimian, M.

Pub. Year

2014

Subjects

Equivalent mechanical model. / Multi-baffled container. / Sloshing. / Boundary element method. / Fuel sloshing. / Liquid sloshing. / Arbitrary geometry. / Bernoulli equations. / Governing equations. / Green's theorem. / Hydrodynamic pressure. / Recursive formulation. / Reduced order models. / Containers.

A successive boundary element model for investigation of sloshing frequencies in axisymmetric multi baffled containers

Author

Ebrahimian, M.

Pub. Year

2013

Subjects

Green's theorem. / Governing equations. / Successive boundary element method. / Zoning method. / Anti-symmetric. / Arbitrary geometry. / Axisymmetric. / Axisymmetric tank. / Boundary element models. / Computational costs. / Flow boundaries. / Fluid models. / Free-surface boundary conditions. / Slosh. / Multi baffled axisymmetric tank. / Influence matrix. / Matrix eigenvalues. / Mode shapes. / Sloshing frequency. / Velocity potentials. / Boundary element method. / Eigenvalues and eigenfunctions. / Laplace equation. / Tanks (containers) / Zoning. / Natural frequencies.

Free vibration sloshing analysis in axisymmetric baffled containers under low-gravity condition

Author

Ebrahimian, M.

Publisher

Kluwer Academic Publishers,

Pub. Year

2015

Subjects

Axisymmetric baffled containers. / Boundary element method. / Containers. / Liquids. / Sailing vessels. / Vibration analysis. / Axisymmetric. / Cylindrical containers. / Eigenanalysis technique. / Laplace-Young equation. / Low gravity. / Natural frequencies and modes. / Surface tension effects. / Zero-gravity conditions. / Liquid sloshing.

Stability analysis of elastic launch vehicles with fuel sloshing in planar flight using a BEM-FEM model

Author

Noorian, M. A.

Publisher

Elsevier Masson SAS,

Pub. Year

2016

Subjects

BEM-FEM model. / Elastic launch vehicle. / Sloshing. / Aerodynamics. / Automobile bodies. / Boundary element method. / Damping. / Elastic waves. / Finite element method. / Flow interactions. / Fuel sloshing. / Launch vehicles. / Liquid sloshing. / Rigid structures. / Tanks (containers) / Vehicles. / Aerodynamic theory. / Aeroelastic coupling. / Aeroelastic interactions. / Aeroelastic modeling. / Atmospheric flight. / FEM modeling. / Fluid solid interaction. / Stability analysis. / Aeroelasticity.

Simultaneous analytical solution of the complete system of double-inlet pulse tube refrigerator

Author

Ghahremani, A. R.

Pub. Year

2012

Subjects

Complete system. / Cryocoolers. / Double inlet. / Experimental data. / Governing equations. / Infra-red sensor. / Literature survey. / Long life. / Moving parts. / Perturbation theory. / Pressure wave generators. / Pulse tube refrigerators. / Research efforts. / Infrared detectors. / Refrigerators. / Tubes (components)

Sensitivity analysis of jacket-type offshore platforms under extreme waves

Author

Hezarjaribi, M.

Pub. Year

2013

Subjects

Incremental Wave Analysis (IWA) / Pile-Soil-Structure Interaction (PSSI) / Wave loading. / Assessment procedure. / Collapse prevention. / Computational effort. / Correlation coefficient. / Extreme waves. / Foundation modeling. / Intermediate waters. / Jacket platforms. / Jacket structures. / Jacket type offshore platform. / Limit state. / Non-linear response. / Off shore platforms. / Oil and Gas Industry. / Persian Gulf region. / Pushover method. / Reserve strength ratios. / Robust methods. / Structural models. / Ultimate capacity. / Wave analysis. / Wave force. / Wave heights. / Wave load. / Wave loadings. / Drilling platforms. / Model structures. / Offshore structures. / Pile foundations. / Production platforms. / Random variables. / Reliability analysis. / Sensitivity analysis. / Piles.

Incremental wave analysis and its application to performance-based assessment of jacket platforms

Author

Golafshani, A. A.

Pub. Year

2011

Subjects

Collapse Wave Height. / Static and dynamic nonlinear analyses. / Environmental wave loading. / Incremental Wave Analysis (IWA) / Off shore platforms. / Push-over analysis. / Static and dynamic. / Wave heights. / Drilling platforms. / Estimation. / Loading. / Mechanical waves. / Offshore structures. / Rating. / Water waves. / Dynamic analysis.

Dynamical tidal locking theory: A new source of the spin of dark matter halos

Author

Ebrahimian, E.

Publisher

IOP Publishing Ltd,

Pub. Year

2021

Subjects

Cosmology and Nongalactic Astrophysics (astro-ph.CO) / General Relativity and Quantum Cosmology (gr-qc)

Spin alignment of dark matter halos: Fast halos

Author

Ebrahimian, E.

Publisher

IOP Publishing Ltd,

Pub. Year

2022

An analytical 3-D model for calculating eddy-current damping force for a magnetic levitation system with permanent magnet

Author

Ebrahimian, M.

Publisher

IEEE,

Pub. Year

2012

Subjects

Analytical solution. / 3-D space. / 3D models. / Cylindrical symmetry. / Damping forces. / Eddy-current damping. / Explicit solutions. / High precision positioning. / Levitation systems. / Linear conductivity. / Magnetic levitation systems. / Material property. / Quasi-static. / Separation of variables method. / Damping. / Eddy currents. / Finite element method. / Magnetic levitation. / Magnetic levitation vehicles. / Maxwell equations. / Permanent magnets. / Three dimensional.

Irreducible subgroups of gl1(D) satisfying group identities

Author

Ebrahimian, R.

Pub. Year

2005

Subjects

Group identity. / Irreducible subgroup.