Subjects: Acetone. / Atmospheric temperature. / Drops. / High speed cameras. / Molten materials. / Paraffins. / Solidification. / Surface properties. / Direct contact. / Free surfaces. / Heat extraction process. / Liquid paraffins. / Molten surfaces. / Paraffin surfaces. / Surface temperatures. / Weber numbers. / Phase change materials.

A comprehensive study on the complete charging-discharging cycle of a phase change material using intermediate boiling fluid to control energy flow

Author: Hosseininaveh, H.

Publisher: Elsevier Ltd,

Pub. Year: 2021

Subjects: Acetone. / Energy storage. / Metal melting. / Paraffins. / Solidification. / Conventional methods. / Low thermal conductivity. / Melting and solidification. / Optimum conditions. / Solidification process. / Solidification rate. / Solidification time. / Transfer process. / Phase change materials.

The impact of employing carbon nanotube and Fe3O4 nanoparticles along with intermediate boiling fluid to improve the discharge rate of phase change material

Author: Hosseininaveh, H.

Publisher: Elsevier Ltd,

Pub. Year: 2022

Subjects: Discharge. / Intermediate boiling fluid. / Phase change material. / Solidification. / Acetone. / Carbon nanotubes. / Heat storage. / Liquids. / Magnetite. / Paraffins. / Phase change materials. / Solidification. / Thermal conductivity. / Thermal energy. / Direct contact. / Discharge. / Discharge rates. / Low thermal conductivity. / Rate of phase change. / Solid-liquid phase change materials. / Solidification rate. / Solidification time. / Thermal energy storage systems. / Nanoparticles.

Nonlinear interstory drift contours for idealized forward directivity pulses using "modified fish-bone" models

Author: Khalo, A. R.

Publisher: Multi-Science Publishing Co. Ltd,

Pub. Year: 2015

Subjects: Forward directivity pulses. / Modified fish-bone model. / Nonlinear interstory drift. / Simplified MDOF model. / Bone. / Concrete beams and girders. / Tall buildings. / Contour. / Fish bones. / Forward directivity. / Interstory drifts. / Moment frames. / Near-fault earthquake. / Fish.

Analysis of singularities of a 3DOF parallel manipulator based on a novel geometrical method

Author: Pendar, H.

Pub. Year: 2006

Subjects: Constrained plain method (CPM) / Constraint plane (CP) / Infinite constraint plane (ICP) / Parallel manipulator. / Computational geometry. / Constraint theory. / Matrix algebra. / Parallel processing systems. / Theorem proving. / Manipulators.

Melting enthalpy and entropy of freestanding metallic nanoparticles based on cohesive energy and average coordination number

Author: Omid, H.

Pub. Year: 2011

Subjects: Adjustable parameters. / Analytical model. / Average coordination number. / Body-centered cubic. / Body-centered-tetragonal (bct) structure. / Cohesive energies. / Melting enthalpy. / Metallic nanoparticles. / Physical constants. / Variable coordination. / Crystal structure. / Entropy. / Mathematical models. / Molecular dynamics. / Nanoparticles. / Melting.

On the temperature and residual stress field during grinding

Author: H-Gangaraj, S. M.

Pub. Year: 2010

Subjects: Grinding. / Residual stress. / Temperature field. / Dimensional accuracy. / Finite Element. / Grinding parameters. / Heat coefficients. / Mechanical damages. / Parametric study. / Residual stress fields. / Surface finishes. / Surface residual stress. / Tensile residual stress. / Thermo-mechanical. / Work pieces. / Workpiece velocity. / Finite element method. / Grinding (comminution) / Grinding (machining) / Heat convection. / Manufacture. / Stress concentration. / Residual stresses.

A new lattic LP-based post filter for adaptive noise cancellers in mobile and vehicular applications

Author: Khorram, S.

Pub. Year: 2008

Subjects: Adaptive lattice filter. / Adaptive noise cancellation (ANC) / Adaptive noise cancellations. / Adaptive noise canceller. / Background noise reduction. / Diffuse noise. / Diffuse noise field. / Lattice filter. / Linear prediction. / Noise fields. / Noise reduction. / Noise reductions. / Postfilter. / Processing delay. / Quality measures. / Single channels. / Speech enhancement system. / Vehicular applications. / Vehicular environments. / Acoustic noise measurement. / Automobile parts and equipment. / Communication systems. / Microphones. / Signal processing. / Speech enhancement. / Spurious signal noise. / Speech communication.

Advancing Compressive Strength Prediction in Self-Compacting Concrete via Soft Computing: A Robust Modeling Approach

Author: Ghorbani, A.

Pub. Year: 2024

Subjects: Artificial neural network. / Compressive strength prediction. / Robust approach. / Self-compacting concrete. / Sensitivity analysis.

Cost estimation models for seismic retrofit of masonry school buildings

Author: Mirzaei, J.

Pub. Year: 2024

Subjects: Cost estimation. / Lasso regression. / Project management. / Regression. / Ridge regression. / Seismic retrofit.

Finite element analysis of shot-peening effect on fretting fatigue parameters

Author: H-Gangaraj, S. M.

Pub. Year: 2011

Subjects: Finite element. / Fretting fatigue. / Residual stress. / Shot peening. / Bulk stress. / Compressive residual stress. / Controlling parameters. / Critical surfaces. / Finite element simulations. / Fluctuating loads. / Fretting damage. / Fretting fatigue strength. / Fretting fatigues. / Normal stress. / Sliding movements. / Slip amplitude. / Fatigue of materials. / Fretting corrosion. / Residual stresses. / Shear flow. / Shot peening. / Finite element method.

Mechanically activated synthesis of single crystalline MgO nanostructures

Author: Nusheh, M.

Pub. Year: 2010

Subjects: Kinetics. / Mechanical activation. / Mechanically activated mixtures. / Microfibers. / Nano-structured. / Nucleation and growth. / Rectangular cross-sections. / Scanning electrons. / SEM. / Single-crystalline. / Single-crystalline nanorods. / Source material. / TEM. / Transmission electron. / Vapor solid mechanism. / XRD. / Carbothermal reduction. / Crystalline materials. / Electrons. / Mechanical alloying. / Metallurgy. / Morphology. / Nanorods. / Nanostructured materials. / Scanning electron microscopy. / Transmission electron microscopy.

Boundary control design for vibration suppression and attitude control of flexible satellites with multi-section appendages

Author: Ataei, M. M.

Publisher: Elsevier Ltd,

Pub. Year: 2020

Subjects: Attitude control. / Boundary control. / Flexible satellite. / Vibration suppression. / Asymptotic stability. / Flexible structures. / Solar cell arrays. / Solar concentrators. / Vibration control. / Vibrations (mechanical) / Boundary control design. / Boundary controls. / Boundary feedback. / Dynamic equations. / Flexible satellites. / Partial differential. / Stability of vibrations. / Controllers.

Characterization and calcination behavior of a low-grade manganese ore

Author: Cheraghi, A.

Publisher: Elsevier Ltd,

Pub. Year: 2020

Subjects: Calcination. / Characterization. / Manganese ore. / Pyrolusite. / Reactive diffusion. / Roasting. / Calcite. / Calcium oxide. / Decomposition. / Diffusion. / Ferroalloys. / Hematite. / Lime. / Magnetite. / Particle size. / Particle size analysis. / Rietveld analysis. / Thermolysis. / X ray diffraction. / Argon atmospheres. / Calcium ferrite. / Complex phasis. / Dominant mechanism. / Large regions. / Low temperatures. / Low-grade manganese. / Ores.

Minimizing the error of time difference of arrival method in mobile networks

Author: Malekitabar, A.

Pub. Year: 2005

Subjects: Location method. / Mobile networks. / Non-line of sight errors (NLOS) / TDOA. / Computer simulation. / Error analysis. / Network protocols. / Mobile telecommunication systems.

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.

Size-dependent interaction of an edge dislocation with an elliptical nano-inhomogeneity incorporating interface effects

Author: Shodja, H. M.

Pub. Year: 2012

Subjects: Nano scale. / Burgers vector orientation. / Characteristic size. / Classical solutions. / Complex potentials. / Elastic behavior. / Elasticity effect. / Elliptical inhomogeneity. / Image force. / Inhomogeneities. / Interface curvatures. / Interface effect. / Interface stress. / matrix. / Normalized image. / Radius of curvature. / Size effects. / Stable equilibrium. / Stress field. / Elastic moduli. / Elasticity. / Nanotechnology. / Stresses. / Surface tension. / Edge dislocations.

Control of parallel three- phase inverters using optimal control and SVPWM technique

Author: Nazaripouya, H. R.

Pub. Year: 2009

Subjects: Circulating current. / Control strategies. / Load change. / Load-sharing scheme. / Optimal control strategy. / Optimal controls. / Stationary frame. / Steady state. / Switching scheme. / Three phase system. / Three-phase inverter. / Cost functions. / Optimal control systems. / Pulse width modulation. / Switching functions. / Industrial electronics.

Identification of an aspidospermine derivative from borage extract as an anti-amyloid compound: A possible link between protein aggregation and antimalarial drugs

Author: Kalhor, H. R.

Publisher: Elsevier Ltd,

Pub. Year: 2017

Subjects: Amyloid formation. / Aspidospermine. / Bioactive compound. / Borage officinalis. / Lysozyme. / Antimalarial agent. / Hen egg lysozyme. / Indole alkaloid. / Plant extract. / Quinoline derivative. / Antagonists and inhibitors. / Borago. / Chemistry. / Drug effects. / Isolation and purification. / Molecular docking. / Plant leaf. / Protein aggregation, pathological. / Amyloid. / Antimalarials. / Indole alkaloids. / Molecular docking simulation. / Muramidase. / Plant extracts. / Plant leaves. / Protein folding. / Quinolines.

Weakly nonlocal micromorphic elasticity for diamond structures vis-à-vis lattice dynamics

Author: Shodja, H. M.

Publisher: Elsevier B.V,

Pub. Year: 2020

Subjects: Ab initio DFPT calculations. / Acoustic and optical branches. / Anisotropic weakly nonlocal micromorphic elasticity. / First Brillouin zone. / Lattice dynamics. / Calculations. / Crystals. / Density functional theory. / Diamonds. / Dispersion (waves) / Elastic moduli. / Lattice constants. / Lattice vibrations. / Perturbation techniques. / Tensors. / Acoustic branches. / Crystallographic directions. / Density functional perturbation theory. / Diamond structures. / Dispersion curves. / First Brillouin zone. / High-precision. / Micromorphic theory. / Equations of motion.

Total 9941 records