Sharif Digital Repository

Propose and characteristics study of a new actuation method for micropumps, using membrane buckling

Author

Saghafi, M. H.

Publisher

American Society of Mechanical Engineers,

Pub. Year

2005

Subjects

Aluminum. / Buckling. / Fatigue of materials. / Membranes. / Pressure effects. / Thermal effects. / Cylindrical membranes. / Fatigue resistance. / Mechanical actuation systems. / Micropumps. / Pumps.

Accident management support tools in nuclear power plants: A post-Fukushima review

Author

Saghafi, M.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Accident management support tool. / Fukushima accident. / Lessons learned and severe accidents. / Accidents. / Fault detection. / Fuzzy logic. / Fuzzy neural networks. / Neural networks. / Nuclear energy. / Nuclear power plants. / Nuclear reactor accidents. / Accident management. / Decision making support. / Fukushima accidents. / Neural networks , fuzzy logic. / Quantitative estimation. / Severe accident. / Severe accident management guidelines. / Three mile island accidents. / Decision making.

Real-time estimation of break sizes during LOCA in nuclear power plants using NARX neural network

Author

Saghafi, M.

Publisher

Korean Nuclear Society,

Pub. Year

2019

Subjects

Accident management support tools. / Break size estimation. / Loss of coolant accident. / NARX neural network. / Nuclear power plants.

A new approach to nonlinear modeling of highly maneuverable aircraft using neural networks

Author

Saghafi, F.

Publisher

Curran Associates Inc,

Pub. Year

2006

Subjects

Aerodynamics. / Flight simulators. / Identification (control systems) / Models. / Neural networks. / Nonlinear systems. / Aircraft dynamics. / Classical methods. / Flight conditions. / Non-linear model. / Propulsion models. / RNN. / Simulation. / Viable solutions. / Aircraft.

Identification of aircraft dynamics, using neural network simultaneous optimization algorithm

Author

Saghafi, F.

Publisher

EUROSIS,

Pub. Year

2005

Subjects

Aircraft models. / Computer simulation. / Flight simulators. / Genetic algorithms. / Identification (control systems) / Network architecture. / Recurrent neural networks. / Aircraft dynamics. / Elman network. / Generalization. / Model and simulation. / Neural network simultaneous optimization algorithms. / Modal analysis.

Historiographical map of Iranian engineering scientific publications during 1939-2011

Author

Saghafi, S.

Pub. Year

2013

Subjects

Engineering. / Historiographical map. / Iran. / Scientific publication. / Visualization.

Simulation, design optimization, and experimental validation of a silver SPND for neutron flux mapping in the Tehran MTR

Author

Saghafi, M.

Publisher

Korean Nuclear Society,

Pub. Year

2020

Subjects

MCNPX. / Monte Carlo method. / Silver SPND. / Tehran research reactor.

Application of FFTBM with signal mirroring to improve accuracy assessment of MELCOR code

Author

Saghafi, M.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

K. Thermal Hydraulics. / Accidents. / Fast Fourier transforms. / Forecasting. / Nuclear power plants. / Outages. / Accident management. / Accuracy assessment. / Accuracy evaluation. / Correction factors. / Reliable results. / Thermal hydraulic modeling. / Thermal hydraulic parameters. / Thermal hydraulics. / Codes (symbols)

Development and qualification of a thermal-hydraulic nodalization for modeling station blackout accident in PSB-VVER test facility

Author

Saghafi, M.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Accidents. / Codes (symbols) / Fast Fourier transforms. / Forecasting. / Frequency domain analysis. / Nuclear energy. / Nuclear power plants. / Nuclear reactor accidents. / Steam generators. / Test facilities. / Accident management. / Frequency domains. / Integral representation. / PSB-VVER test facility. / Steady state and transients. / Steam generator U-tubes. / Thermal hydraulic modeling. / Thermal hydraulics. / Outages.

Intelligent landing of autonomous aerial vehicles using fuzzy logic control

Author

Saghafi, F.

Pub. Year

2009

Subjects

Automatic landing. / Autonomous aerial vehicles. / Fixed wing. / Fuzzy controllers. / Fuzzy logic control. / Relative positions. / Tracking system. / Vector field diagrams. / Vision systems. / Computer simulation. / Controllers. / Fuzzy control. / Landing. / Remotely operated vehicles. / Tracking (position) / Unmanned aerial vehicles (UAV) / Fuzzy logic.

Equivalent Linear Model Identification and Periodic Control of a Mono-Wing Aerial Vehicle

Author

Sabeti, M. H.

Publisher

Institute for Ionics,

Pub. Year

2023

Subjects

Equivalent linear dynamics. / Mono-wing aerial vehicle. / Nonlinear simulation. / Periodic control. / System identification.

Coanda surface geometry optimization for multi-directional co-flow fluidic thrust vectoring

Author

Saghafi, F.

Pub. Year

2009

Subjects

Affective factors. / Best value. / Co-flow. / Cut-off. / Deflection angles. / Experimental data. / Flow characteristic. / Fluidic thrust vectoring. / Geometric parameter. / High quality. / Initial optimization. / Iteration process. / Jet momentum. / Main parameters. / Maximum thrust. / Multi-directional. / Nozzle geometries. / Optimal geometry. / Optimization parameter. / Performance indices. / Quasi-Newton optimization method. / Rapid convergence. / Secondary air. / Secondary flow characteristics. / Slot height. / Step length. / Step size. / Surface geometries. / Thrust vectoring. / Thrust vectoring systems. / Two parameter. / Vector angle. / Aspect ratio. / Computational geometry. / Deflection (structures) / Exhaust gases. / Nozzles. / Optimization. / Three dimensional. / Computational fluid dynamics.

Electrical equivalent circuit of multi-mode flexible beams with piezoelectric elements

Author

Saghafi, M.

Pub. Year

2008

Subjects

Approximation theory. / Circuit theory. / Equivalent circuits. / Piezoelectric actuators. / Piezoelectric materials. / Sensors. / Coupled systems. / Elastic structures. / Piezoelectric elements. / Piezoelectric sensors. / Flexible structures.

Transition flight feasibility of a fluidic thrust vectored aerial tail-sitter: Numerical approach

Author

Saghafi, F.

Pub. Year

2007

Subjects

Fluidic thrust vectored unmanned aerial tailsitters. / Thrust deflection angles. / Transition flight feasibility. / Weight ratio. / Aircraft engines. / Angle measurement. / Computer simulation. / Flight dynamics. / Fluidics. / Numerical methods. / Unmanned aerial vehicles (UAV)

Co-flow fluidic thrust vectoring requirements for longitudinal and lateral trim purposes

Author

Saghafi, F.

Pub. Year

2006

Subjects

Air supply. / Co-flow method. / Lateral trim purpose. / Secondary air flow. / Aircraft. / Aircraft propulsion. / Exhaust gases. / Exhaust systems (engine) / Mathematical models. / Secondary flow. / Fluid dynamics.

Dynamic stability study of a conceptual fluidic thrust-vectored aerial tail-sitter

Author

Saghafi, F.

Pub. Year

2006

Subjects

Conceptual aircrafts. / Flight phases. / Fluidic thrust vectoring. / Nonlinear simulation. / Aerodynamics. / Computer simulation. / Equations of motion. / Fluidics. / Linearization. / Mathematical models. / Aerospace vehicles.