Sharif Digital Repository

Curvature perturbations and non-Gaussianities from the waterfall phase transition during inflation

Author

Abolhasani, A. A.

Pub. Year

2011

Expected dipole asymmetry in CMB polarization

Author

Namjoo, M. H.

Publisher

Institute of Physics Publishing,

Pub. Year

2015

Optimal MIMO waveform design with controlled characteristics

Author

Karbasi, S. M.

Publisher

IEEE Computer Society,

Pub. Year

2015

Subjects

Communication channels (information theory) / Constrained optimization. / MIMO radar. / MIMO systems. / Optimization. / Radar. / Radar systems. / Signal processing. / Signal receivers. / Space time adaptive processing. / Space time codes. / Ambiguity function. / Constrained optimi-zation problems. / Detection performance. / MIMO (multiple-input multiple output) / Receive filter design. / Receive filters. / Successive iteration. / Waveform designs. / Signal to noise ratio.

A fast and novel method of pattern synthesis for non-uniform phased array antennas

Author

Tohidi, E.

Publisher

IEEE Computer Society,

Pub. Year

2015

Subjects

Antenna arrays. / Directional patterns (antenna) / Least squares approximations. / Radar. / Radar antennas. / Synthesis (chemical) / Angular positioning. / High-directivity. / Least square errors. / Low sidelobe level. / Nonuniform arrays. / Pattern nulling. / Pattern synthesis. / Phased array antennas. / Antenna phased arrays.

Sustainable solutions for advanced energy management system of campus microgrids: model opportunities and future challenges

Author

Muqeet, H. A.

Publisher

MDPI,

Pub. Year

2022

Subjects

Demand-side management. / Distributed energy resources. / Distributed generation. / Smart grid. / Demand side management. / Distributed power generation. / Electric power transmission networks. / Energy management. / Energy management systems. / Renewable energy resources. / Smart power grids. / Storage management. / Advanced energy management system. / Campus microgrid. / Energy storage system. / Future challenges. / Load type. / Microgrid. / Microgrid modeling. / Storage systems. / Sustainable solution. / Energy storage. / Human. / Power supply. / Renewable energy. / Electric Power Supplies. / Electricity. / Humans.

Atomistic insight into salinity dependent preferential binding of polar aromatics to calcite/brine interface: implications to low salinity waterflooding

Author

Koleini, M. M.

Publisher

Nature Research,

Pub. Year

2021

MIMO ambiguity function optimization through waveform design

Author

Radmard, M.

Publisher

IEEE Computer Society,

Pub. Year

2015

Subjects

Radar. / Radar systems. / Waveform analysis. / Ambiguity function. / Missed detections. / Wave forms. / Waveform designs. / MIMO radar.

Laminar falling film flow of aqueous Li Br solution on a horizontal elliptical tube

Author

Abyaneh, M. H. J.

Pub. Year

2013

Subjects

Better performance. / Cartesian coordinate. / Continuity equations. / Falling liquid films. / Film velocity distributions. / Flow charac-teristics. / Flow hydrodynamics. / Mass concentration. / Aspect ratio. / Laminar flow. / Liquid films. / Lithium. / Navier Stokes equations. / Tubes (components)

Velocity distributions in (r,θ) directions for laminar flow of a film around horizontal circular tube

Author

Abyaneh, M. H. J.

Publisher

American Society of Mechanical Engineers,

Pub. Year

2006

Subjects

Condensers (liquefiers) / Evaporators. / Laminar flow. / Mathematical models. / Navier Stokes equations. / Thin films. / Velocity control. / Continuity equations (CE) / Horizontal circular tubes. / Velocity distributions. / Tubes (components)

Velocity distributions in (r,θ) directions for laminar flow of a film around horizontal circular tube

Author

Abyaneh, M. H. J.

Pub. Year

2006

Subjects

Mathematical models. / Navier Stokes equations. / Thickness measurement. / Thin films. / Absorption chillers. / Circular tubes. / Continuity equation (CE) / Falling liquid films. / Velocity distributions. / Laminar flow.

An experimental investigation of foam for gas mobility control in a low-temperature fractured carbonate reservoir

Author

Gandomkar, A.

Pub. Year

2012

Subjects

Critical micellar concentration. / Foam. / Carbonate rock. / Commercial surfactants. / Core flooding. / Critical micellar concentrations. / Economic considerations. / Effect of CO. / Experimental investigations. / FAWAG. / Field-scale simulation. / Foam generation. / Fractured carbonate reservoirs. / Light oil reservoirs. / Live oil. / Low temperatures. / Macroscopic sweep. / Mobility control. / Oil recoveries. / Oil reservoirs. / Optimum conditions. / Recovery factors. / Reliable decision. / Reservoir conditions. / Sodium lauryl sulfates. / Surfactant concentrations. / Water alternating gas. / Water alternating gas process. / Water saturations. / Anionic surfactants. / Carbon dioxide. / Core samples. / Foams. / Petroleum reservoir engineering. / Petroleum reservoirs. / Recovery. / Secondary recovery. / Temperature. / Water injection. / Foam control.

Study of behavior of two phase flow in vertical large diameter pipe

Author

Kebriayi, M. H.

Pub. Year

2010

Subjects

3-D numerical analysis. / Air-water two phase flows. / Average void fraction. / Empirical correlations. / Engineering systems. / Flow charac-teristics. / Large diameter pipes. / Pressure-velocity coupling. / Air. / Air intakes. / Fluid dynamics. / Two phase flow. / Void fraction. / Pipe.

Experimental investigation of an open loop pulsating heat pipe using ferrofluid

Author

Mohammadi, M.

Pub. Year

2012

Subjects

Charging ratio. / Concentration. / Open loop pulsating heat pipe (OLPHP) / Orientation. / Charging ratios. / Distilled water. / Experimental investigations. / Ferrofluid. / Loop pulsating heat pipes. / Low heat inputs. / Thermal Performance. / Working fluid. / Concentration (process) / Crystal orientation. / Heat pipes. / Heat transfer. / Magnetic fields. / Magnetic fluids. / Mass transfer. / Heat resistance.

Challenges in calculation of critical buckling load of tubular members of jacket platforms in finite element modeling

Author

Tabeshpour, M. R.

Publisher

Springer Tokyo,

Pub. Year

2019

Subjects

Jacket type offshore platforms. / ABAQUS. / Drilling platforms. / Finite element method. / Mesh generation. / Offshore oil well production. / Compressive behavior. / ISO equation. / Jacket type offshore platform. / Local buckling. / Tubular members. / Ultimate capacity. / Buckling.

Challenges in calculation of critical buckling load of tubular members of jacket platforms in finite element modeling

Author

Tabeshpour, M. R.

Publisher

Springer Tokyo,

Pub. Year

2019

Subjects

Compressive behavior. / ISO equation. / Jacket type offshore platforms. / Local buckling. / Tubular members. / Ultimate capacity. / ABAQUS. / Drilling platforms. / Finite element method. / Mesh generation. / Offshore oil well production. / Jacket type offshore platform. / Ultimate capacity. / Buckling.

Challenges in calculation of critical buckling load of tubular members of jacket platforms in finite element modeling

Author

Tabeshpour, M. R.

Publisher

Springer,

Pub. Year

2020

Subjects

Compressive behavior. / ISO equation. / Jacket type offshore platforms. / Local buckling. / Tubular members. / Ultimate capacity. / ABAQUS. / Drilling platforms. / Finite element method. / Mesh generation. / Offshore oil well production. / Compressive behavior. / ISO equation. / Jacket type offshore platform. / Local buckling. / Tubular members. / Ultimate capacity. / Buckling.

Periodicity in contrast with sidelobe suppression in random signal radars

Author

Tohidi, E.

Pub. Year

2011

Subjects

Masking effect. / Noise radars. / Periodicity. / Random signal. / Side-lobe reduction. / Side-lobe suppression. / Sidelobe. / Waveform designs. / Radar.

Incorporating betweenness centrality in compressive sensing for congestion detection

Author

Ayatollahi Tabatabaii, H. S.

Pub. Year

2013

Subjects

Compressive sensing. / Network tomography. / Prior knowledge. / Betweenness centrality. / Congested links. / Congestion detection. / Objective functions. / Real data sets. / Computer simulation. / Knowledge based systems. / Signal reconstruction.