Sharif Digital Repository

Synthesis of TiO2 nano powder by the sol-gel method and its use as a photocatalyst

Author

Karami, A.

Pub. Year

2010

Subjects

Nanoparticles. / Photocatalyst. / Sol-gel method. / Titanium dioxide.

Study on modification of colloidal silica surface with magnesium ions

Author

Karami, A.

Pub. Year

2009

Subjects

Colloidal silica. / Magnesium ions. / Sodium silicate. / Surface area. / pH range. / Seed concentration. / Silica surfaces. / Surface growth. / X ray spectrometry. / Ion exchange. / Ions. / Light metals. / Magnesium. / Magnesium printing plates. / Metal ions. / Silica. / Silicates. / Silicon compounds. / Oxides. / magnesium ion. / silicate. / silicic acid. / silicon dioxide. / article. / particle size. / pH. / priority journal. / scanning electron microscopy. / surface property. / zeta potential.

The influence of chromium substitution on an iron-titanium catalyst used in the selective catalytic reduction of NO

Author

Karami, A.

Publisher

Elsevier,

Pub. Year

2012

Subjects

NO x adsorption. / Adsorption ability. / Adsorption capacities. / Analytical techniques. / Bronsted acid sites. / Coprecipitation method. / Cr species. / Cr substitutions. / Lattice oxygen. / Lewis acid site. / Redox behavior. / Selective catalytic reduction of NO. / Structural disorders. / TiO. / Adsorption. / Catalyst selectivity. / Chromium. / Surface properties. / Titanium. / Selective catalytic reduction.

Numerical modeling of incline plate LiBr absorber

Author

Karami, S.

Pub. Year

2011

Subjects

Absorber design. / Absorption chillers. / Absorption machines. / Energy-transport equations. / Fully implicit finite differences. / Governing equations. / Heat and mass transfer. / Heat and mass transfer coefficients. / Linear distribution. / Lithium bromide. / Main parameters. / Mass flux. / Numerical modeling. / Overall efficiency. / Refrigerant vapors. / Sherwood numbers. / Vapor absorption. / Wall temperatures. / Bromine compounds. / Finite difference method. / Heat transfer. / Lithium. / Mass transfer. / Reliability analysis. / Reynolds number. / Water absorption. / Water vapor. / Numerical methods.

A numerical study on the absorption of water vapor into a film of aqueous LiBr falling along a vertical plate

Author

Karami, S.

Pub. Year

2009

Subjects

Absorption machines. / Energy equation. / Film flows. / Fully implicit finite differences. / Governing equations. / Heat and mass transfer. / Heat and mass transfer coefficients. / Linear distribution. / Lithium bromide. / Mass flux. / Numerical studies. / Overall efficiency. / Refrigerant vapors. / Sherwood numbers. / Vapor absorption. / Vertical plate. / Wall temperatures. / Water-cooled vertical plate absorbers. / Difference equations. / Finite difference method. / Heat transfer. / Lithium. / Mass transfer. / Reliability analysis. / Reynolds number. / Water vapor. / Water absorption.

Improvement of dry sliding tribological properties of polyamide 6 using diamond nanoparticles

Author

Karami, P.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Abrasive wear. / Nanodiamond. / Polyamide 6. / Surface functionalization. / Abrasion. / Abrasives. / Atmospheric temperature. / Toughness. / Wear of materials. / Carboxylic group. / Diamond nano-particles. / Specific wear rates. / Surface temperatures. / Tribological properties. / Wear characteristics. / Nanodiamonds.

Morphological and mechanical properties of polyamide 6/nanodiamond composites prepared by melt mixing: effect of surface functionality of nanodiamond

Author

Karami, P.

Publisher

John Wiley and Sons Ltd,

Pub. Year

2017

Subjects

Functionalized ND. / Mechanical features. / Crazing. / Differential scanning calorimetry. / Dispersions. / Light transmission. / Mixing. / Scanning electron microscopy. / Surface chemistry. / Thermooxidation. / Degree of crystallinity. / Dry thermal oxidations. / Functionalized. / Low concentrations. / Mechanical feature. / Melt mixing. / Polyamide 6. / Surface functionalities. / Nanodiamonds.

Smooth residual generation for robust isolation of faults in manipulators using joint torque sensors

Author

Karami, S.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Fault detection. / Robotics. / Torque. / Torque meters. / Uncertainty analysis. / Failure detection and isolations. / Fault detection and isolation. / Geometric approaches. / Joint torque sensing. / Joint torque sensors. / Model uncertainties. / Robotic manipulators. / Threshold adjustments. / Manipulators.

A geometric approach to fault detection and isolation in robotic manipulators

Author

Karami, S.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Flexible manipulators. / Robotics. / Uncertainty analysis. / Fault detection and isolation. / Geometric approaches. / Model uncertainties. / Residual generator. / Robotic manipulators. / Simulation example. / Solvability conditions. / Threshold adjustments. / Fault detection.