Subjects: Heat recovery steam generator. / Single and dual pressure. / Costs. / Descaling. / Environmental impact. / Gas turbines. / Optimization. / Steam generators. / Thermodynamic properties. / Waste heat. / Combined heat and power. / Dual-pressure. / Heat recovery steam generators. / Optimal operating conditions. / Optimization modeling. / Thermo-economic model. / Thermo-economic modelling. / Thermoeconomic analysis. / Cost benefit analysis.

Visual technique for detection of gas-liquid two-phase flow regime in the airlift pump

Author: Hanafizadeh, P.

Pub. Year: 2011

Subjects: Airlift pump. / Flow regime. / Two-phase flow. / Vertical pipe. / Air-water two-phase flow. / Experimental data. / Gas liquids. / Gas phase velocity. / Gas-liquid two-phase flow. / High reliability. / Image analysis techniques. / Image processing technique. / Main parameters. / Oil industries. / Oil recoveries. / Slug flow. / Visual techniques. / Aspect ratio. / Flow of water. / Image processing. / Imaging systems. / Liquids. / Oil wells. / Petroleum engineering. / Pipe. / Pump.

Innovative semi-analytical methodology to predict automobile body temperature distribution in the curing ovens

Author: Hanafizadeh, P.

Pub. Year: 2012

Subjects: Car bodies. / Coating process. / Curing ovens. / Curing process. / Experimental data. / Experimental investigations. / Experimental procedure. / Hardening process. / Heat transfer mechanism. / Heating zone. / Mass production. / Model prediction. / Nonlinear differential equation. / Paint coatings. / Painting industry. / Performance analysis. / Semi-analytical. / Thermal behaviors. / Transient temperature. / Curing. / Diamond cutting tools. / Differential equations. / Enameling. / Forecasting. / Ovens. / Physiology. / Railroad cars. / Stoves. / Paint.

Effect of step geometry on the performance of the airlift pump

Author: Hanafizadeh, P.

Pub. Year: 2011

Subjects: Air-lift pumps. / Bubble diameter. / Experimental data. / Higher efficiency. / Inlet gas. / Numerical results. / Pipe diameter. / Step geometry. / Flow of gases. / Flow rate. / Industrial applications. / Inlet flow. / Piping systems. / Pumps.

Exergy analysis of Airlift Systems: Experimental approach

Author: Hanafizadeh, P.

Pub. Year: 2011

Subjects: Airlift system. / ALS. / Availability. / Entropy generation. / Exergy analysis. / Multiphase flow. / Air-lift systems. / Analytical model. / Comprehensive method. / Effective variables. / Experimental approaches. / Experimental data. / Flowthrough. / Gas liquid flows. / Test rigs. / Entropy. / Industrial applications. / Mathematical models. / Two phase flow. / Exergy.

Experimental investigation of characteristic curve for gas-lift pump

Author: Hanafizadeh, P.

Pub. Year: 2014

Subjects: Characteristic curve. / Flow regime. / Gas lift pump. / Gas-liquid flow. / Submergence ratio. / Two phase flow. / Compressed air. / Liquids. / Pressure vessels. / Pumping plants. / Flow regimes. / Gas lift pumps. / Gas liquid flows. / Submergence ratios. / Pumps. / Compression. / Experimental study. / Gas flow. / Gas well. / operations technology. / performance assessment. / pumping.

Effect of bubble size and angle of tapering upriser pipe on the performance of airlift pumps

Author: Hanafizadeh, P.

Pub. Year: 2010

Subjects: Bubble diameter. / Submergence ratio. / Tapering upriser pipe. / Two-phase lifting pump. / Bubble distributions. / Bubble size. / Design parameters. / Experimental data. / Gas flowrate. / Gasphase. / Inlet gas. / Liquid Phase. / Mass flow rate. / Numerical results. / Operating parameters. / Second group. / Total length. / Inlet flow. / Liquids. / Numerical analysis. / Pipe. / Pumps. / Airlift pump. / Analytical parameters. / Device. / Flow rate. / Phase partitioning. / Pressure. / Priority journal.

Numerical simulation of two-phase flow in airlift pumps using the Physical Influence Scheme

Author: Hanafizadeh, P.

Pub. Year: 2010

Subjects: Airlift pump. / Finite-volume method. / Physical influence scheme. / PIS. / Two-fluid approach. / Two-phase flow.

Numerical simulation of two-phase flow in airlift pumps using the Physical Influence Scheme

Author: Hanafizadeh, P.

Pub. Year: 2010

Subjects: Airlift pump. / Physical influence scheme. / PIS. / Two-fluid approach. / Two-phase flow. / Continuity equations. / Finite volume solution. / Gas liquid flows. / Momentum equation. / New approaches. / New strategy. / Numerical simulation. / Numerical solution. / SIMPLE method. / Two-fluid. / Vertical pipes. / Computer simulation. / Finite volume method. / Numerical analysis. / Two phase flow. / Pumps.

Effect of bubble size and angle of tapered upriser pipe on the effectiveness of a two phase lifting pump

Author: Hanafizadeh, P.

Pub. Year: 2009

Subjects: Submergence ratio. / Two phase lifting pump. / Bubble diameter. / Bubble distributions. / Bubble size. / Design parameters. / Experimental data. / Gas flowrate. / Gasphase. / Inlet gas. / Liquid Phase. / Mass flow rate. / Numerical results. / Operating parameters. / Second group. / Tapered upriser pipe. / Total length. / Two phase. / Inlet flow. / Liquids. / Numerical analysis. / Pipe. / Pumps.

Experimental investigation of air-water, two-phase flow regimes in vertical mini pipe

Author: Hanafizadeh, P.

Pub. Year: 2011

Subjects: Two-phase flow. / Visualization. / Air-water. / Air-water flow. / Experimental investigations. / Flow pattern map. / Flow regimes. / High speed video recorder. / In-pipe. / Liquid and gas phasis. / Mini pipes. / Superficial velocity. / Water flow rate. / Air. / Flow of water. / Hydraulics. / Pipe. / Flow visualization. / Video recording. / Flow patterns. / Airflow. / Diameter. / Experimental study. / Flow measurement. / Pipe flow. / Pipeline. / Videography. / Water flow. / Air-water interaction. / Flow modeling. / Hydrological regime. / Literature review. / Research work.

Semi analytical prediction of automobile body temperature distribution in the top coat paint oven

Author: Hanafizadeh, P.

Pub. Year: 2009

Subjects: Automobile. / Semi-numerical approach. / Transient prediction. / Body temperature. / Car bodies. / Coating process. / Curing process. / Developed model. / Experimental data. / Experimental procedure. / Hardening process. / Mass production. / Model prediction. / New product. / Numerical approaches. / Numerical simulation. / Performance analysis. / Production parameters. / Reasonable accuracy. / Semi-analytical. / Thermal behaviors. / Top coating. / Top-coats. / Transient temperature. / Automobile parts and equipment. / Automotive industry. / Computer simulation. / Curing. / Differential equations. / Forecasting. / Hardening. / Heat exchangers. / Heat transfer. / Laws and legislation. / Ovens. / Paint. / Railroad cars. / Stoves. / Temperature distribution. / Thermoanalysis. / Automobile bodies.

Heat recovery of exhaust gas in automotive paint ovens

Author: Hanafizadeh, P.

Publisher: Aabo Akademi University,

Pub. Year: 2010

Subjects: Exhaust gas. / Heat recovery. / Paint oven. / Environmental impact. / Global warming. / Internal combustion engines. / Optimization. / Ovens. / Paint. / Planning. / Research. / Thermodynamics. / Waste heat. / Waste heat utilization. / CHP. / Design and construction. / Economical benefits. / Environmental conservation. / Feasibility studies. / Higher efficiency. / Investment returns. / Renewable sources. / Investments.

Secrecy capacity scaling in large cooperative wireless networks

Author: Mirmohseni, M.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2017

Subjects: Cooperative strategies. / Informationtheoretic security. / Large wireless networks. / Relaying. / Scaling laws. / Aggregates. / Cooperative communication. / Relay control systems. / Secure communication. / Wireless networks. / Colluding eavesdroppers. / Cooperative strategy. / Information-theoretic security. / Secrecy capacity. / Network security.

Fast estimation of connectivity in fractured reservoirs using percolation theory

Author: Masihi, M.

Publisher: Society of Petroleum Engineers (SPE),

Pub. Year: 2007

Subjects: Anisotropy. / Computer simulation. / Flow control. / Fracturing fluids. / Geometry. / Mathematical models. / Mechanical permeability. / Percolation (fluids) / Petroleum geology. / Reservoir management. / Constant-length isotropic systems. / Fracture-length distribution. / Fractured reservoir. / Petroleum reservoir evaluation.

A new decoding scheme for errorless codes for overloaded CDMA with active user detection

Author: Mousavi, A.

Pub. Year: 2011

Subjects: Activation/deactivation. / CDMA system. / Decoding scheme. / Maximum likelihood decoders. / Orders of magnitude. / User detection. / Algorithms. / Bit error rate. / Decoding. / Information technology. / Maximum likelihood. / Poisson distribution. / Telecommunication. / Code division multiple access.

Estimation of the Effective Permeability of Heterogeneous Porous Media by Using Percolation Concepts

Author: Masihi, M.

Publisher: Springer Netherlands,

Pub. Year: 2016

Subjects: Heterogeneity. / High permeability pathway. / Percolation theory. / Reservoirs. / Density functional theory. / Mechanical permeability. / Percolation (solid state) / Petroleum reservoir evaluation. / Petroleum reservoirs. / Porous materials. / Solvents. / Characteristic shapes. / Effective permeability. / Heterogeneous porous media. / High permeability. / Permeability distribution. / Standard algorithms. / Petroleum reservoir engineering.

Percolation-based effective permeability estimation in real heterogeneous porous media

Author: Masihi, M.

Publisher: European Association of Geoscientists and Engineers

Pub. Year: 2016

Subjects: Oil well flooding. / Porous materials. / Solvents. / Conductivity measurements. / Effective permeability. / Heterogeneous media. / Heterogeneous porous media. / Order of accuracy. / Percolating clusters. / Permeability contrasts. / Power law relation. / Estimation.

A novel WaveNet-GRU deep learning model for PEM fuel cells degradation prediction based on transfer learning

Author: Izadi, M. J.

Pub. Year: 2024

Subjects: Data-driven method. / Degradation prediction. / PEMFC. / Cost reduction. / Energy efficiency. / Forecasting. / Learning systems. / Mean square error. / Proton exchange membrane fuel cells (PEMFC) / Data-driven methods. / Degradation predictions. / GRU. / Percentage error. / Proton-exchange membranes fuel cells. / Remaining useful lives. / Root mean square errors. / Transfer learning. / Voltage prediction. / Wavenet. / Degradation. / Instrumentation. / Membrane. / Performance assessment. / Deep neural networks.

Optimization of sputtering parameters for the deposition of low resistivity indium tin oxide thin films

Author: Yasrebi, N.

Pub. Year: 2014

Subjects: Sheet resistance. / Sputtering. / Substrates. / Surface morphology. / Thin films. / Tin. / Transparency. / Deposition experiments. / Different pressures. / Indium tin oxide. / Indium tin oxide thin films. / Parameters optimization. / Process parameters. / Sputtering parameters. / Substrate temperature. / Deposition.

Total 2322 records