Sharif Digital Repository

Well Placement optimization using hybrid optimization technique combined with fuzzy inference system

Author

Darabi, H.

Pub. Year

2009

Subjects

Complex problems. / Conventional approach. / Direct optimization. / Drilling projects. / Economic evaluations. / Fluid property. / Fuzzy inference systems. / Global solutions. / Hill climbing. / Hybrid genetic algorithms. / Hybrid optimization. / Net present value. / Numerical flow simulations. / Objective functions. / Oil reservoirs. / Optimization techniques. / Polytope algorithms. / Polytope method. / Reservoir rock. / Stochastic search. / Surface facilities. / Water injection wells. / Well configuration. / Well placement. / Well placement optimization. / Fuzzy systems. / Iterative methods. / Neural networks. / Optimization. / Petroleum reservoirs. / Wells. / Genetic algorithms.

Well Placement optimization using hybrid optimization technique combined with fuzzy inference system

Author

Darabi, H.

Pub. Year

2013

Subjects

Genetic algorithm. / Oil reservoirs. / Neural network. / Complex problems. / Conventional approach. / Direct optimization. / Drilling projects. / Economic evaluations. / Fluid property. / Fuzzy inference systems. / Global solutions. / Hill climbing. / Hybrid genetic algorithms. / Hybrid optimization. / Net present value. / Numerical flow simulations. / Objective functions. / Fuzzy inference system. / Optimization techniques. / Polytope algorithms. / Polytope method. / Reservoir rock. / Stochastic search. / Surface facilities. / Water injection wells. / Well configuration. / Well placement. / Well placement optimization. / Fuzzy systems. / Iterative methods. / Neural networks. / Optimization. / Petroleum reservoirs. / Wells. / Genetic algorithms.

Performance evaluation of custom power devices in process of motor bus transfer

Author

Janaghaei, M.

Pub. Year

2009

Subjects

Induction motor. / Bus transfer. / Custom power device. / Dynamic performance. / Electrical power. / EMTS. / In-process. / Industrial sector. / Motor bus transfer. / Performance evaluation. / Power quality indices. / Power supply. / PSCAD/EMTDC. / Reactive power compensator. / Residual voltage custom power. / Sensitive loads. / Spin-down. / STS. / Electric equipment. / Electric power systems. / Induction motors. / Industrial electronics. / Industrial plants. / Reactive power. / Motors.

Conformational study of a strained tolanophane by dynamic 1H NMR spectroscopy and computational methods

Author

Darabi, H. R.

Pub. Year

2008

Subjects

Tolanophane. / Strain. / Dynamic 1H NMR. / Ab initio calculations.

Gas absorption enhancement in hollow fiber membrane contactors using nanofluids: Modeling and simulation

Author

Darabi, M.

Publisher

Elsevier B.V,

Pub. Year

2017

Subjects

Gas absorption enhancement. / Hollow fiber membrane contactor. / Mass-transfer coefficient. / Nanoparticles. / Brownian movement. / Carbon. / Carbon dioxide. / Gases. / Mass transfer. / Nanofluidics. / Silica. / Absorption enhancement. / Carbon dioxide absorption. / Gas absorption process. / Hollow fiber membrane contactors. / Mass transfer enhancement. / Nanoparticle concentrations. / Process intensification. / Silica nanoparticles. / Gas absorption.

Solvent effects on kinetics of an heteroatomic nucleophilic substitution reaction in ionic liquid and molecular solvents mixtures

Author

Salari, H.

Pub. Year

2013

Subjects

Rate constants dipolarity/polarizability of media. / Aromatic nucleophilic substitution reaction. / Dipolarity. / Hydrogen bond acceptors. / Multiple linear regressions. / Nucleophilic substitution reactions. / Nucleophilic substitutions. / Second-order rate constants. / Solvent effects. / Alkalinity. / Benzene. / Binary mixtures. / Dimethyl sulfoxide. / Hexane. / Hydrogen bonds. / Ionic liquids. / Propanol. / Rate constants. / Substitution reactions. / Solvents.

Constitutive modeling of hardening-relaxation response of asphalt concrete in cyclic compressive loading

Author

Karimi, M. M.

Pub. Year

2017

Subjects

Constitutive relationship. / Hardening relaxation. / Repeated creep-recovery loading. / ABAQUS. / Asphalt. / Asphalt concrete. / Concretes. / Creep. / Cyclic loads. / Finite element method. / Hardening. / Recovery. / Relaxation time. / Strain rate. / Subroutines. / Viscoelasticity. / Viscoplasticity. / Abaqus finite element software. / Compressive loading. / Constitutive relationships. / Intermediate temperatures. / Laboratory experiments. / Repeated creeps. / Viscoelastic strain. / Viscoplastic strains. / Stress analysis.

Molecular dynamics simulation of crack propagation in fcc materials containing clusters of impurities

Author

Rafii Tabar, H.

Pub. Year

2006

Subjects

Computer simulation. / Equations of motion. / Molecular dynamics. / Molecular orientation. / fcc structure. / Finnis-Sinclair potentials. / Nanoscale clusters. / Crack propagation.

An efficient content-based video coding method for distance learning applications

Author

Lotfi, T.

Pub. Year

2009

Subjects

Content-based video coding. / Motion segmentation. / Content-based. / Distance learning. / Mosaicing. / Video coding. / Blending. / Error detection. / Image coding. / Motion Picture Experts Group standards. / Video signal processing. / Visual communication. / Distance education. / Algorithm. / Computer. / Fuzzy mathematics. / Videography.

Illuminating the formal–informal dichotomy in land development on the basis of transaction cost theory

Author

Darabi, H.

Publisher

SAGE Publications Ltd,

Pub. Year

2018

Subjects

Formal–informal dichotomy. / Institutional framework. / Iran. / New institutional economics. / Rural land development. / Transaction cost theory.

Coupled rotational and translational modeling of two satellites connected by a tether and their robust attitude control using optimal offset approach

Author

Darabi, A.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Coupled rotational and translational modeling. / Offset control. / Optimal control. / Sliding mode control. / Tethered satellite system. / Attitude control. / Communication satellites. / Flight dynamics. / Nonlinear equations. / Tetherlines. / Wheels. / Comprehensive model. / Optimal controls. / Robust sliding mode. / Satellite tethered systems. / Tethered satellite systems. / Translational dynamics. / Translational models. / Satellites.

Illuminating the formal–informal dichotomy in land development on the basis of transaction cost theory

Author

Darabi, H.

Publisher

SAGE Publications Ltd,

Pub. Year

2019

Subjects

Formal–informal dichotomy. / Institutional framework. / Iran. / New institutional economics. / Rural land development. / Transaction cost theory. / Economic activity. / Land management. / Law enforcement. / Ownership. / Planning theory. / Price dynamics. / Rental sector. / Rural development. / Theoretical study. / Transaction cost. / Tehran [Iran].

Fabrication of novel chitosan-g-PNVCL/ZIF-8 composite nanofibers for adsorption of Cr(VI), As(V) and phenol in a single and ternary systems

Author

Bahmani, E.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Chitosan-g-PNVCL. / Ternary system. / Adsorption. / Chemicals removal (water treatment) / Chitosan. / Crystalline materials. / Heavy metals. / Metal ions. / Metal nanoparticles. / Nanofibers. / Organic pollutants. / Organometallics. / Phenols. / Reusability. / Ternary systems. / Water pollution. / Adsorption capacities. / Central composite designs. / Composite nanofibers. / Electrospinning method. / Initial concentration. / Metal organic framework. / Sorption-desorption cycles. / ZIF-8 MOF. / Chromium compounds.

Synthesis of ethyl cellulose/aluminosilicate zeolite nanofibrous membranes for oil–water separation and oil absorption

Author

Koushkbaghi, S.

Publisher

Springer Netherlands,

Pub. Year

2019

Subjects

Absorption. / Nanofibrous membrane. / Water/oil separation. / ZSM-5 nanozeolite. / Cyclohexane. / Heptane. / Hexane. / Lubricating oils. / Membranes. / Mixtures. / Nanofibers. / Separation. / Zeolites. / Aluminosilicate zeolites. / Composite nanofibers. / Ethyl cellulose. / Hydrothermal methods. / Nanofibrous membranes. / Nanozeolites. / Oil/water separation. / Separation efficiency. / Water absorption. / Cellulose.

Kinetic and mechanistic study of p-nitrochlorobenzene photoreduction and Bacillus inactivation over aluminosilicate-based nanocomposites

Author

Padervand, M.

Pub. Year

2013

Subjects

Aluminosilicates. / Bacillus. / LiBH4. / p-Nitrochlorobenzene. / Photoreduction.