Sharif Digital Repository

Fracture characterizing and modeling of a porous fractured carbonate reservoir

Author

Dashti, R.

Pub. Year

2009

Subjects

3D models. / Block properties. / Borehole images. / Discrete fracture network. / Dominant orientation. / Flowthrough. / Folding mechanism. / Fracture characterization. / Fracture model. / Fractured carbonate reservoirs. / History match. / History matching. / Hydrocarbon reservoir. / Log data. / Natural fracture. / Naturally fractured reservoirs. / Primary objective. / Reservoir property. / Reservoir simulation. / Scaling-up. / Sweep efficiency. / Well test. / Boreholes. / Fracture. / Hydrocarbons. / Oil wells. / Optimization. / Petroleum reservoir evaluation. / Stochastic models. / Three dimensional. / Well testing. / Petroleum reservoirs.

Direct evidence for conformal invariance of avalanche frontiers in sandpile models

Author

Saberi, A.A.

Pub. Year

2009

Subjects

Abelian sandpile models. / Conformal invariances. / Critical systems. / Diffusivities. / Geometrical features. / Invariant properties. / Random walks. / Sand-pile models. / Stochastic loewner evolutions. / Conformal mapping. / Fractal dimension. / Sand.

Mechanistic study to investigate the effects of different gas injection scenarios on the rate of asphaltene deposition: An experimental approach

Author

Dashti, H.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Asphaltene deposition rate. / CO2 injection. / Enhanced oil recovery. / Gas injection. / Carbon dioxide. / Deposition rates. / Enhanced recovery. / Flocculation. / Gas injection (Enhanced recovery) / Gases. / Petroleum industry. / Asphaltene deposition. / Asphaltene flocculation. / Deposition mechanism. / Different pressures. / Experimental approaches. / High quality images. / Mechanistic studies. / Asphaltenes.

Estimation of 3-D pore network coordination number of rocks from watershed segmentation of a single 2-D image

Author

Rabbani, A.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Coordination number. / Pore network extraction. / Pore network modeling. / Estimation. / Rocks. / Determination coefficients. / Distribution parameters. / Mathematical correlation. / Pore networks. / Pore-network modeling. / Watershed segmentation. / Watershed segmentation algorithm. / Image segmentation.

Roughening transition and universality of single step growth models in (2+1)-dimensions

Author

Dashti Naserabadi, H.

Pub. Year

2017

Subjects

Single-step model. / Physics. / Control parameters. / Evaporation process. / Kardar-Parisi-Zhang universalities. / Roughening transition. / Roughness exponent. / Scaling exponent. / Single-step. / Universality. / Research.

Statistics of toppling wave boundaries in deterministic and stochastic sandpile models

Author

Dashti Naserabadi, H.

Pub. Year

2012

Asphaltene deposition during CO 2 injection and pressure depletion: A visual study

Author

Zanganeh, P.

Pub. Year

2012

Subjects

Asphaltene deposition. / Enhanced oil recovery. / Experimental setup. / Gas injection. / High-resolution microscopes. / Image-processing software. / Miscible flooding. / New parameters. / Oil recoveries. / Operating condition. / Pressure depletion. / Production problems. / Reservoir conditions. / Reservoir formation. / Temperature increase. / Transportation pipelines. / Visual cells. / Wettability alteration. / Atmospheric composition. / Carbon dioxide. / Deposition. / Enhanced recovery. / Flocculation. / Gas emissions. / Greenhouse gases. / Image processing. / Oil fields. / Water injection. / Asphaltenes.

Estimation of carbonates permeability using pore network parameters extracted from thin section images and comparison with experimental data

Author

Rabbani, A.

Publisher

Elsevier B.V,

Pub. Year

2017

Subjects

Carbonate rocks. / Pore network modeling. / Thin section images. / Carbonates. / Carbonation. / Forecasting. / Lithology. / Mechanical permeability. / Petrography. / Pore size. / Porosity. / Regression analysis. / Rocks. / Sedimentary rocks. / Absolute permeability. / Average coordination number. / Carbonate rock. / Coordination number. / Pore-network modeling. / Porous characteristics. / Simple regression analysis. / Thin section. / Image processing.

Efficiency improvement of solar stills through wettability alteration of the condensation surface: An experimental study

Author

Zanganeh, P.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Condensation mechanism. / Condensation surface. / Efficiency. / Solar still. / Surface treatment. / Wettability. / Condensation. / Desalination. / Distillation. / Energy conversion. / Energy efficiency. / Glass industry. / Nanoparticles. / Productivity. / Scanning electron microscopy. / Silicone coatings. / Silicones. / Solar heating. / TiO2 nanoparticles. / Titanium dioxide. / Condensation process. / Efficiency improvement. / Heat transfer device. / Silicon nanoparticles. / Surface wettability. / Thermal desalination plant. / Wettability alteration. / Wetting. / Coating. / Experimental study. / Heat transfer. / Nanoparticle. / Photovoltaic system. / Silicon. / Solar power.

A new prediction model based on cascade NN for wind power prediction

Author

Torabi, A.

Publisher

Springer New York LLC,

Pub. Year

2019

Subjects

Cascade NN. / EEMD. / Feature selection. / Wind power forecast.

A new prediction model based on cascade NN for wind power prediction

Author

Torabi, A.

Publisher

Springer New York LLC,

Pub. Year

2018

Subjects

Cascade NN. / EEMD. / Feature selection. / Wind power forecast.

Relationship between young’s modulus and planar density of unit cell, super cells (2 × 2 × 2), symmetry cells of perovskite (catio3) lattice

Author

Rabiei, M.

Publisher

MDPI AG,

Pub. Year

2021

Subjects

Cells. / Cytology. / Grain boundaries. / Perovskite. / Ultrasonic applications. / Calcium titanate. / Elastic compliance. / Modulus values. / Perovskite structures. / Super cell. / Symmetry-cell. / Ultrasonic pulse. / Ultrasonic pulse-echo techniques. / Biomechanics.

Modeling and simulation of olefin polymerization at microstructure level

Author

Dashti, A.

Pub. Year

2008

Kinetic and morphological study of a magnesium ethoxide-based Ziegler-Natta catalyst for propylene polymerization

Author

Dashti, A.

Pub. Year

2009

Subjects

Ziegler-Natta propylene polymerization. / Ball-milled. / Catalyst particles. / Ethoxide. / Mg(OEt)2-based catalyst. / Morphological studies. / Polymerization activities. / Rapid activations. / Spatial distributions. / Titanium distributions. / Ziegler-Natta catalysts. / Catalysis. / Magnesium. / Monomers. / Polymerization. / Polymers. / Propylene. / Size distribution. / Titanium. / Catalyst deactivation. / Catalyst. / Inorganic compound. / Kinetics. / Morphology. / Synthesis.

Measurement modulus of elasticity related to the atomic density of planes in unit cell of crystal lattices

Author

Rabiei, M.

Publisher

MDPI AG,

Pub. Year

2020

Subjects

Crystalline materials. / Elastic compliances. / Modified W–H. / Planar density. / X-ray diffraction. / Young’s modulus. / Crystal lattices. / Crystallites. / Density functional theory. / Nanocrystalline materials. / Sodium chloride. / Stiffness. / Tensile testing. / Ultrasonic testing. / X ray diffraction. / Elastic stiffness constant. / Electromagnetic acoustic resonance. / Experimental methods. / Least squares techniques. / Mechanical properties of solids. / Sodium chloride (NaCl) / Theoretical methods. / Ultrasonic techniques. / Least squares approximations.

Kinetic and morphological investigation on the magnesium ethoxide-based ziegler-natta catalyst for propylene polymerization using typical external donors

Author

Dashti, A.

Pub. Year

2009

Subjects

Kinetics. / Mg(OEt)2-based. / Ziegler-Natta propylene polymerization. / Catalyst particles. / Ethoxides. / External donor. / Kinetic profiles. / Morphological aspects. / Polymerization activity. / Propylene polymerization. / Ziegler-Natta. / Ziegler-Natta catalysts. / Catalysis. / Magnesium. / Morphology. / Polymerization. / Polyolefins. / Propylene. / Catalysts.

X-ray diffraction analysis and williamson-hall method in usdm model for estimating more accurate values of stress-strain of unit cell and super cells (2 × 2 × 2) of hydroxyapatite, confirmed by ultrasonic pulse-echo test

Author

Rabiei, M.

Publisher

MDPI AG,

Pub. Year

2021

Subjects

Cells. / Cytology. / Deformation. / Hydroxyapatite. / X ray powder diffraction. / Average values. / Engineering design. / High-accuracy. / Materials development. / Ultrasonic pulse. / Uniform deformation. / Uniform stress. / Williamson-Hall. / Ultrasonic testing.