Sharif Digital Repository

Assessment study of shunt FACTS devices for improving dynamic behavior of induction motors

Author

Hedayati, M.

Pub. Year

2005

Subjects

Computer simulation. / Eigenvalues and eigenfunctions. / Electric loads. / Electric potential. / Nonlinear systems. / Time domain analysis. / Shunt devices. / Static Compensator (STATCOM) / Static Var Compensator (SVC) / Voltage profiles. / Induction motors.

A novel tunable UWB pulse design for narrowband interference suppression implemented in BiCMOS technology

Author

Hedayati, H.

Pub. Year

2009

Subjects

Pulse generator. / Bi-CMOS process. / Coexistence problem. / FCC mask. / Fully integrated. / Hermite pulse. / High-frequency pulse. / Mathematical derivation. / Narrow band interference. / Narrowband interference suppression. / Narrowband system. / Narrowband systems. / Pulse technique. / Simulation result. / Tunable. / Ultra-wideband communications. / UWB communication. / UWB pulse design. / Adaptive filtering. / BiCMOS technology. / Broadband networks. / Channel capacity. / Communication channels (information theory) / Frequency response. / Interference suppression. / Pulse generators. / Radio interference. / Signal generators. / Telecommunication systems. / Ultra-wideband (UWB)

Semi-empirical modelling of hydraulic conductivity of clayey soils exposed to deionized and saline environments

Author

Hedayati Azar, A.

Publisher

Elsevier B.V,

Pub. Year

2022

Subjects

Analytical modelling. / Bentonite. / Pore fluid salinity. / Bentonite. / Deionized water. / Forecasting. / Leachate treatment. / Liquids. / Pore fluids. / Saline water. / Solute transport. / Analytical modeling. / Clayey soils. / Deionised waters. / Exposed to. / Liquid limits. / Modeling approach. / Pore-fluid salinity. / Semiempirical models. / Solute concentrations. / Hydraulic conductivity. / Bentonite. / Salt water. / Aqueous solution. / Bentonite. / Clay liner. / Clay soil. / Concentration (composition) / Error analysis. / Liquid limit. / Model validation. / Permeability. / Pore space. / Porous medium. / Salinity. / Soil mechanics. / Analytic method. / Aquatic environment. / Concentration (parameter) / Controlled study. / Data accuracy. / Empirical research. / Information processing. / Ionization. / Liquid. / Prediction. / Simulation. / Soil salinity. / Validation study. / Solution and solubility. / Waste disposal facility. / Clay. / Soil. / Solutions. / Waste Disposal Facilities. / Water. / Validation.

MIMO SAR ground moving target indication via compressed sensing

Author

Hedayati, R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Component. / Ground moving target indication (GMTI) / Multi-Antenna SAR. / Multiple-Input multiple-output synthetic aperture radar (MIMO SAR) / Antennas. / Compressed sensing. / Computational complexity. / MIMO radar. / MIMO systems. / Ground moving target indication. / High resolution. / Innovative ideas. / Moving targets. / Multi antennas. / Multiple antenna. / Received signals. / Synthetic aperture radar.

Investigating and modeling the cleaning-in-place process for retrieving the membrane permeate flux: Case study of hydrophilic polyethersulfone (PES)

Author

Hedayati Moghaddam, A.

Publisher

Taiwan Institute of Chemical Engineers,

Pub. Year

2016

Subjects

CIP. / PES. / Backpropagation. / Caustic soda. / Membranes. / Neural networks. / Polyethylenes. / Radial basis function networks. / Sodium. / Wastewater. / Back-propagation neural networks. / Determination coefficients. / Fractional factorial designs. / Polyethersulfone membrane. / Polyethersulfones. / Radial basis function neural networks. / Sodium hydroxide concentration. / Sodium hydroxides. / Hydrophilicity.

Stock market index prediction using artificial neural network

Author

Hedayati Moghaddam, A.

Publisher

Elsevier Doyma

Pub. Year

2016

Subjects

ANN. / NASDAQ. / Prediction.

Pentamodes: Effect of unit cell topology on mechanical properties

Author

Mohammadi, K.

Pub. Year

2024

Subjects

Meta-fluids. / Pentamodes. / Biomechanics. / Cells. / Cytology. / Metamaterials. / Shear strain. / Topology. / 3-D printing. / 3D-printing. / Building blockes. / Cell topology. / Cone-shaped. / Double cones. / Mechanical. / Meta-fluid. / Pentamode. / Unit cells. / Elastic moduli. / 3D printing.

Optimization of cleaning procedure for polyethersulfone (PES) membrane by a statistically designed approach

Author

Hedayati Moghaddam, A.

Pub. Year

2013

Subjects

Fractional factorial. / Membrane. / Polyethersulfone (PES) / Biological waste water treatment. / Cleaning procedures. / Fractional factorial designs. / Fractional factorials. / Physical separation. / Polyethersulfone membrane. / Polyethersulfones. / Polyethersulphones. / Cleaning. / Energy utilization. / Membrane technology. / Membranes. / Wastewater. / Wastewater treatment. / Washing.

Response surface methodology for modeling and optimizing the treatment of synthetic starchy wastewater using hydrophilic PES membrane

Author

Hedayati Moghaddam, A.

Pub. Year

2013

Subjects

COD removal percentage. / Membrane. / Permeate flux. / Removal. / Starch. / Chemical oxygen demand. / Filtration. / Numerical model. / Optimization. / Permeability. / Pollutant removal. / Polymer. / Wastewater. / Water treatment.

Hybrid anisotropic pentamode mechanical metamaterial produced by additive manufacturing technique

Author

Mohammadi, K.

Publisher

American Institute of Physics Inc,

Pub. Year

2020

Subjects

3D printers. / Additives. / Anisotropy. / Eigenvalues and eigenfunctions. / Elastic moduli. / Metamaterials. / Poisson ratio. / Tensors. / Comsol multiphysics. / Elastic properties. / Elasticity tensor. / Hybrid structure. / Individual structures. / Lattice structures. / Manufacturing techniques. / Orders of magnitude. / Yield stress.

Liquid jet breakup and penetration in a gas cross-flow -an experimental study

Author

Pourrousta, M.

Pub. Year

2024

Subjects

Crossflow. / Jet column breakup. / Data mining. / Fluid mechanics. / Jets. / Trajectories. / Cross flows. / Experimental platform. / Jet penetration. / Jet trajectory. / Jetflows. / Liquid jet breakup. / Momentum ratio. / Shadowgraphy. / Weber numbers. / Momentum.

Parallelized numerical modeling of the interaction of a solid object with immiscible incompressible two-phase fluid flow

Author

Ghasemi, A.

Pub. Year

2017

Subjects

CFD. / Free surface. / Immersed boundary. / Application programming interfaces (API) / Computational fluid dynamics. / Computational methods. / Energy conversion. / Flow interactions. / Flow of fluids. / Navier Stokes equations. / Numerical methods. / Turbulent flow. / Viscous flow. / Water waves. / Wave energy conversion. / Wind power. / Wind turbines. / Design/methodology/approach. / Fluid solid interaction. / Free surfaces. / Immersed boundary. / Immersed boundary methods. / Level set. / Two-dimensional navier-stokes equations. / Two-step projection methods. / Two phase flow.