Sharif Digital Repository

Entropy generation analysis of thermally developing forced convection in fluid-saturated porous medium

Author

Hooman, K.

Pub. Year

2008

Subjects

Energy transfer. / Entropy. / Forced convection. / Mathematical models. / Number theory. / Parameter estimation. / Energy flux vectors. / Entropy generation. / Heatline. / Porous materials.

Entropy generation for forced convection in a porous channel with isoflux or isothermal walls

Author

Hooman, K.

Publisher

Inderscience Publishers,

Pub. Year

2008

Subjects

Boundary conditions. / Forced convection. / Heat flux. / Numerical methods. / Peclet number. / Porous materials. / Bejan number. / Entropy generation. / Isoflux walls. / Isothermal walls. / Porous channel. / Entropy.

Recent advances in ageing of 7xxx series aluminum alloys: A physical metallurgy perspective

Author

Azarniya, A.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Ageing. / Al-Zn-Mg-Cu alloys. / Creep ageing. / Non-isothermal ageing. / Precipitation hardening. / Retrogression and re-ageing. / Age hardening. / Aluminum corrosion. / Coarsening. / Copper alloys. / Copper corrosion. / Corrosion resistance. / Corrosion resistant alloys. / Creep. / Isotherms. / Magnesium alloys. / Precipitation (chemical) / Zinc alloys. / Ageing. / Al -Zn-Mg-Cu alloys. / Corrosion performance. / Microstructure and properties. / Nonisothermal. / Physical metallurgy. / Potential effects. / Retrogression and re-ageing. / Aluminum alloys.

Stiffness and strength estimation of damaged unreinforced masonry walls using crack pattern

Author

Dolatshahi, K. M.

Publisher

Taylor and Francis Ltd,

Pub. Year

2022

Subjects

Unreinforced masonry walls. / Brick. / Estimation. / Fractal dimension. / Image processing. / Masonry construction. / Retaining walls. / Stiffness. / Analytical procedure. / Brick masonry walls. / Engineering judgments. / Mathematical indexes. / Stiffness loss. / Strength degradation. / Traditional assessment. / Un-reinforced masonry walls. / Walls (structural partitions)

Influence of heat treatment and aging on microstructure and mechanical properties of Mg-1.8Zn-0.7Si-0.4Ca alloy

Author

Shaeri, M.

Publisher

Wiley-VCH Verlag,

Pub. Year

2019

Subjects

Aging. / Age hardening. / Aging of materials. / Calcium alloys. / Differential scanning calorimetry. / Field emission microscopes. / Hardness. / Heat treatment. / Mechanical properties. / Scanning electron microscopy. / Silicon alloys. / Solid solutions. / Spectrometers. / Ternary alloys. / X ray spectrometers. / Energy dispersive x-ray spectrometers. / Field emission scanning electron microscopy. / Microstructural examination. / Microstructure and mechanical properties. / Microstructures and mechanical properties. / Optimal conditions. / Solution treating. / Solution treatments. / Magnesium alloys.

The nonlinear diffusion bandwidth: A simple tool for optimizing dispersion maps

Author

Bunge, C. A.

Pub. Year

2006

Subjects

Bandwidth. / Diffusion. / Fiber optics. / Light transmission. / Nonlinear optics. / Phase shift keying. / Telecommunication links. / Transfer functions. / Dispersion management. / Modulation formats. / Nonlinear Schrodinger equation. / Optical transmission systems. / Dispersion (waves)

Nickel-based nanosheets array as a binder free and highly efficient catalyst for electrochemical hydrogen evolution reaction

Author

Faraji, H.

Publisher

Elsevier Ltd,

Pub. Year

2022

Subjects

Electrocatalysis. / Electrodeposition. / Hydrogen evolution reaction. / Nanosheets array. / NiFeO. / NiO. / Cost effectiveness. / Electrocatalysis. / Electrocatalysts. / Electrodeposition. / Electrodes. / Electrolysis. / Electrolytic cells. / Electron transport properties. / Energy policy. / Hydrogen production. / Iron compounds. / Nanosheets. / Nickel. / Precious metals. / Binder free. / Efficient catalysts. / Electrochemicals. / Energy crisis. / High activity. / Hydrogen evolution reactions. / Hydrogen technologies. / Nanosheet arrays. / Performance. / Water electrolyzer. / Nickel oxide.

New operational transconductance amplifiers using current boosting

Author

Noormohammadi, M.

Pub. Year

2012

Subjects

Analysis and simulation. / Circuit levels. / Class-AB. / CMOS technology. / Conventional design. / Design method. / Gain bandwidth. / On currents. / Operational trans conductance amplifier. / Operational transconductance amplifiers. / Settling time. / Slew rate. / CMOS integrated circuits. / Electric network analysis.

Ranking of technology transfer barriers in developing countries; case study of Iran's biotechnology industry

Author

Yazdani, K.

Pub. Year

2011

Subjects

Analytic Hierarchy Process (AHP) / Analytical hierarchy process. / Biotechnology industry. / Literature reviews. / Management of Technology. / Research center. / University of Tehran. / Developing countries. / Hierarchical systems. / Industrial engineering. / Industry. / Software testing. / Statistical tests. / Surveys. / Technology transfer. / Biotechnology.

A coupled adjoint formulation for non-cooled and internally cooled turbine blade optimization

Author

Zeinalpour, M.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Adjoint method. / Aerodynamics. / Heat transfer. / NASA. / Shape optimization. / Turbine components. / Turbines. / Viscous flow. / Adjoint methods. / Aerodynamic shape optimization. / Conjugate heat transfer. / Conjugate heat transfer problem. / Linear turbine cascades. / Mathematical descriptions. / Turbine blade. / Turbine blade design. / Turbomachine blades.

A self-organizing multi-model ensemble for identification of nonlinear time-varying dynamics of aerial vehicles

Author

Emami, S. A.

Publisher

SAGE Publications Ltd,

Pub. Year

2021

Subjects

Antennas. / Complex networks. / Flight control systems. / Flight envelopes. / NASA. / Neural networks. / Predictive analytics. / Wavelet decomposition. / Complex dynamic systems. / Complex nonlinear system. / Generic transport models. / Online sequential extreme learning machine. / Self-organizing approaches. / Time-varying characteristics. / Universal approximation properties. / Wavelet neural networks. / Learning systems.

Simple SPR-based colorimetric sensor to differentiate Mg2+ and Ca2+ in aqueous solutions

Author

Amirjani, A.

Publisher

Elsevier B.V,

Pub. Year

2022

Subjects

Amino acid. / Calcium. / Plasmonic nanoparticles. / Magnesium. / Metal ions. / Sodium chloride. / Amino-acids. / Ca 2+. / Colorimetric sensors. / Concentration ranges. / Functionalized. / L-tryptophan. / One-pot synthesis. / Plasmonic nanoparticle. / Simple++. / Synthesis method. / Amino acids. / Metal nanoparticle. / Water. / Human. / Surface plasmon resonance. / Colorimetry. / Humans. / Metal Nanoparticles. / Silver.

Micro-optoelectromechanical systems accelerometer based on intensity modulation using a one-dimensional photonic crystal

Author

Sheikhaleh, A.

Publisher

OSA - The Optical Society

Pub. Year

2016

Subjects

Accelerometers. / Bandwidth. / Consumer electronics. / Light sources. / Modulation. / MOEMS. / Natural frequencies. / Optical multilayers. / Resonance. / Tracking (position) / Cross-axis sensitivity. / Functional characteristics. / Integrated optical waveguides. / Mechanical sensitivity. / Micro opto electro mechanical systems. / One dimensional photonic crystal. / Optical sensing systems. / Photonic bandgap materials. / Photonic crystals.

On the formation of intermetallics during the furnace brazing of pure titanium to 304 stainless steel using Ag (30-50%)-Cu filler metals

Author

Shafiei, A.

Pub. Year

2010

Subjects

304 stainless steel. / Brazed joint. / Brazing conditions. / Brazing parameters. / Brazing process. / Cooling cycle. / Furnace brazing. / Interfaces. / Intermetallic phasis. / Mechanical tests. / Microstructural observations. / Strength. / Brazing. / Corrosion resistant alloys. / Filler metals. / Fillers. / Intermetallics. / Microstructure. / Phase interfaces. / Shear strength. / Silver. / Titanium. / Stainless steel.

Influence of load history on the force-displacement response of in-plane loaded unreinforced masonry walls

Author

Valentin Wilding, B.

Pub. Year

2017

Subjects

Loading protocol. / Quasi-static cyclic test. / Unreinforced masonry wall. / Compression testing. / Cyclic loads. / Masonry construction. / Masonry materials. / Retaining walls. / Walls (structural partitions) / Cyclic tests. / Drift capacity. / Load history. / Loading protocols. / Un-reinforced masonry walls. / Loads (forces) / Boundary condition. / Compression. / Computer simulation. / Cyclic loading. / Loading test. / Masonry. / Numerical model. / Seismic response. / Wall.

Numerical study on factors that influence the in-plane drift capacity of unreinforced masonry walls

Author

Dolatshahi, K. M.

Publisher

John Wiley and Sons Ltd,

Pub. Year

2018

Subjects

Abaqus. / Finite element modeling. / Shear span. / Unreinforced masonry walls. / ABAQUS. / Aspect ratio. / Axial loads. / Boundary conditions. / Masonry construction. / Masonry materials. / Retaining walls. / Shear flow. / Walls (structural partitions) / Assessment procedure. / Deformation capacity. / Drift capacity. / Empirical relationships. / In-plane deformation. / Size effects. / Un-reinforced masonry walls. / Finite element method. / boundary condition. / Deformation. / Empirical analysis. / Masonry. / Numerical model. / Size effect. / Wall.

Shear-compression tests of URM walls: various setups and their influence on experimental results

Author

Wilding, B. V.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Changing axial load. / Drift capacity. / Kinematic boundary conditions. / Non-linear numerical simulation. / Quasi-static cyclic test. / Unreinforced masonry wall. / Axial loads. / Boundary conditions. / Compression testing. / Masonry materials. / Numerical models. / Shear flow. / Walls (structural partitions) / Cyclic tests. / Non linear. / Un-reinforced masonry walls. / Loads (forces) / Boundary condition. / Compression. / Drift behavior. / Experimental study. / Kinematics. / Masonry. / Numerical method. / Reinforcement. / Shear test. / Wall.

Solute redistribution during transient liquid phase bonding of IN738LC with BNi-3 interlayer

Author

Mosallaee, M.

Pub. Year

2008

Subjects

Bond strength (chemical) / Phase interfaces. / Scanning electron microscopy. / Solidification. / Wavelength dispersive spectroscopy. / Interlayers. / Isothermal solidification. / Solute redistribution. / TLP bonding. / Alloying elements.

Microstructural evolution in the transient-liquid-phase bonding area of IN-738LC/BNi-3/IN-738LC

Author

Mosallaee, M.

Pub. Year

2008

Subjects

Alloys. / Microstructural evolution. / Bonding temperatures. / Liquid-phase. / Micro-structural. / TLP bonding. / Liquid phase epitaxy.