Subjects: Conversion efficiency. / Flow distribution. / Inlet diffusers. / Catalysts. / Durability. / Gas emissions. / Intake systems. / Laws and legislation. / Pollution control. / Catalytic converters.

Microstructure-performance relationships in gas tungsten arc welded Hastelloy X nickel-based superalloy

Author: Ghasemi, A.

Publisher: Elsevier Ltd,

Pub. Year: 2020

Subjects: Fusion welding. / Hastelloy X. / Microstructure. / Post weld heat treatment. / Stress-rupture. / Tensile properties. / Carbides. / Chromium compounds. / Creep. / Gas metal arc welding. / Grain boundaries. / Heat affected zone. / Heat treatment. / Nickel. / Nickel alloys. / Nickel metallurgy. / Superalloys. / Thermal cycling. / Tungsten. / Constitutional liquation. / Equilibrium microstructures. / Micro-structural observations. / Microstructural heterogeneity. / Microstructure performance. / Nickel- based superalloys. / Non-equilibrium microstructure. / Room-temperature ductility. / Gas welding.

Optimal scheduling of multi-carrier energy system based on energy hub concept considering power-to-gas storage

Author: Habibifar, R.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2020

Subjects: Energy hub. / Multi carrier systems. / Operating costs. / Power to gas technology. / Cost reduction. / Electric power transmission networks. / Gases. / Heat storage. / Integer programming. / Machinery. / Scheduling. / Combined heat and power. / Electrical energy storages. / Energy generations. / Mixed integer linear programming model. / Multi-carrier systems. / Operation cost. / Optimal scheduling. / Sustainable energy. / Smart power grids.

From as-cast to heat treated X-40 superalloy: Effect of cooling rate after partial solution treatment on microstructural evolutions and mechanical properties

Author: Ghasemi, A.

Publisher: Elsevier Ltd,

Pub. Year: 2021

Subjects: Carbides. / Chromium compounds. / Creep. / Hardness. / Heat treatment. / High temperature applications. / Microstructural evolution. / Superalloys. / Heat treatment cycle. / High temperature creep. / Industrial components. / Microstructure and mechanical properties. / Minimum requirements. / Partial dissolution. / Solution treatments. / Subsequent cooling. / Cooling.

Entanglement entropy in long-range harmonic oscillators

Author: Ghasemi Nezhadhaghighi, M.

Pub. Year: 2012

Discrete scale invariance and stochastic Loewner evolution

Author: Ghasemi Nezhadhaghighi, M.

Pub. Year: 2010

Subjects: Brownian motion. / Complex systems. / Contour line. / Diffusion Coefficients. / Discrete scale invariances. / Fractal curves. / Fractal properties. / Large class. / Scale invariance. / Statistical properties. / Stochastic Loewner evolution. / Two-dimension. / Weierstrass-mandelbrot functions. / Brownian movement. / Invariance. / Partial discharges. / Stochastic systems. / Fractal dimension.

Parallelized numerical modeling of the interaction of a solid object with immiscible incompressible two-phase fluid flow

Author: Ghasemi, A.

Pub. Year: 2017

Subjects: CFD. / Free surface. / Immersed boundary. / Application programming interfaces (API) / Computational fluid dynamics. / Computational methods. / Energy conversion. / Flow interactions. / Flow of fluids. / Navier Stokes equations. / Numerical methods. / Turbulent flow. / Viscous flow. / Water waves. / Wave energy conversion. / Wind power. / Wind turbines. / Design/methodology/approach. / Fluid solid interaction. / Free surfaces. / Immersed boundary. / Immersed boundary methods. / Level set. / Two-dimensional navier-stokes equations. / Two-step projection methods. / Two phase flow.

Equipment failure rate in electric power distribution networks: An overview of concepts, estimation, and modeling methods

Author: Ghasemi, H.

Publisher: Elsevier Ltd,

Pub. Year: 2023

Subjects: Asset management. / Degradation. / Equipment. / Failure rate. / Maintenance. / Power distribution network. / Reliability.

Densification and properties of Fe2O3 nanoparticles added CaO refractories

Author: Ghasemi Kahrizsangi, S.

Publisher: Elsevier Ltd

Pub. Year: 2016

Subjects: CaO refractory. / Flexural strength. / Aluminous refractories. / Bending strength. / Compressive strength. / Crushing. / Electric furnaces. / Hydration. / Iron. / Refractory materials. / Scanning electron microscopy. / Sintering. / X- ray diffraction. / Cold crushing strengths. / Crystalline phasis. / Hydration resistance. / Mechanical behavior. / Microstructure characteristics. / Nano iron oxides. / Refractory matrices. / Sintering process. / Iron oxides.

Steam reforming of methane in a tapered membrane - Assisted fluidized - Bed reactor: Modeling and simulation

Author: Dehkordi, A. M.

Pub. Year: 2011

Subjects: Membrane fluidized bed. / Compartment model. / Dense zones. / Design condition. / Developed model. / Emulsion phasis. / Experimental data. / Experimental studies. / Feed temperature. / Fluidized bed membrane reactor. / Fluidized bed reactors. / Membrane reactor. / Methane conversions. / Methane steam reforming. / Mode of operations. / Model prediction. / Modeling and simulation. / Operating condition. / Operating temperature. / Performance capability. / Pilot scale. / Steam reforming of methane. / Tapered fluidized bed. / Total yield. / Wall heat flux. / Bioreactors. / Computer simulation. / Emulsification. / Fluidization. / Fluidized beds. / Heat flux. / Hydrogen. / Membranes. / Methane. / Steam. / Steam engineering. / Supersaturation. / Steam reforming.

Effect of Nano-Tio2 additions on the densification and properties of magnesite–dolomite ceramic composites

Author: Ghasemi Kahrizsangi, S.

Publisher: Springer International Publishing,

Pub. Year: 2018

Subjects: Cold crushing strength. / Hydration resistance. / Magnesite–dolomite. / Nano-titania. / Refractory.

Chance-constrained programming for optimal scheduling of combined cooling, heating, and power-based microgrid coupled with flexible technologies

Author: Mianaei, P.K.

Publisher: Elsevier Ltd,

Pub. Year: 2022

Subjects: Chance-constrained programming. / Confidence level. / Computer programming. / Electric energy storage. / Heating. / Power markets. / Solar energy. / Combined cooling heating and power. / Combined cooling heating and power-based microgrid. / Confidence levels. / Microgrid. / Multi energy. / Multi-carrier market. / Multi-energy storage. / Multicarriers. / Reliable performance. / Cooling. / Alternative energy. / Cost. / Electricity generation. / Energy market. / Energy storage. / Incentive. / Performance assessment. / Solar power. / Wind power.

Doubly fed induction generators to enhance inter-area damping based on a Robust controller: H2/ H∞ Control

Author: Goodarzi, A.

Publisher: Springer Nature,

Pub. Year: 2021

Subjects: Asynchronous generators. / Circuit oscillations. / Controllers. / Damping. / Linear matrix inequalities. / Modal analysis. / Power control. / Reactive power. / Robust control. / Scattering parameters. / System stability. / Time domain analysis. / Uncertainty analysis. / Wind power. / Active and reactive power controls. / Control approach. / Damping controllers. / Doubly fed induction generator (DFIG) / Inter-area oscillations. / Linear matrix inequality method. / Robust controllers. / Time-domain simulations. / Electric machine control.

Overcoming liquation cracking in AA7075 welds via friction stir processing pre-weld treatment: a microstructural approach

Author: Pirjamadi, A.

Pub. Year: 2024

Subjects: Aluminum alloys. / Cracks. / Friction. / Friction stir welding. / Grain boundaries. / High strength alloys. / Hot rolling. / AA7075 aluminum alloy. / Design concept. / Friction stir processing. / Fusion welding. / High strength aluminium alloys. / Hot-cracking. / Lightweight design. / Liquation cracking. / Micro-structural. / Weld treatment. / Welds.

Photocathodic protection of 316L stainless steel by coating of anatase nanoparticles

Author: Barati, N.

Pub. Year: 2013

Subjects: 316 L stainless steel. / Anatase films. / Anatase nanoparticles. / Coated sample. / Dark conditions. / Electrochemical measurements. / NaCl solution. / Physical barriers. / Sol-gel dip-coating method. / Tafel. / UV illuminations. / Sodium chloride. / Sols. / Titanium dioxide. / Coatings.

Enhanced control of grid forming VSCs in a micro-grid system under unbalanced conditions

Author: Zarei, S. F.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2018

Subjects: Distribution system. / Terminal current controller. / Unbalanced condition. / Voltage controller. / Voltage source converter. / Electric power systems. / Energy resources. / Power electronics. / Voltage control. / Terminal currents. / Controllers.

RI-COTS: trading performance for reliability improvements in commercial of the shelf systems

Author: Ghasemi, G.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2018

Subjects: Safety-critical systems. / Software-based reliability techniques. / Computer architecture. / Fault detection. / Fault tolerance. / Safety engineering. / Security systems. / Software reliability. / Commercial of the shelves. / COTS-based systems. / Detection capability. / Fault injection. / Instruction-level. / Reliability improvement. / Reliability techniques. / Safety critical systems. / Embedded systems.

Computational modeling of blood clot lysis considering the effect of vessel wall and pulsatile blood flow

Author: Heydari Ghasemi, S.

Publisher: American Physical Society,

Pub. Year: 2023

Subjects: Blood clots. / Computational modelling. / Dissolution model. / Free flow. / Plasminogen activators. / Pulsatile blood flow. / Thrombolytic therapies. / Tissue necrosis. / Vessel walls.

Temperature-responsive smart nanocarriers for delivery of therapeutic agents: applications and recent advances

Author: Karimi, M.

Publisher: American Chemical Society,

Pub. Year: 2016

Subjects: Synthesis. / Temperature-responsive nanocarriers. / Characterization. / Electromagnetic fields. / Gene transfer. / Synthesis (chemical) / Anticancer delivery. / Dual/multi responsive. / Gene delivery. / LCST/UCST behavior. / Nano-carriers. / Smart drug delivery systems. / Hydrogels.

Alumina-copper eutectic bond strength: contribution of preoxidation, cuprous oxides particles and pores

Author: Ghasemi, H.

Pub. Year: 2009

Subjects: Alumina-copper. / Bonding. / Argon gas. / Bond strength. / Bonding procedure. / Bonding process. / Cupric oxide. / Cuprous oxide. / Furnace atmosphere. / Hydrogen gas. / Joint interfaces. / Joint strength. / Last stage. / Oxygen partial pressure. / Peel strength. / Pore formation. / Pre-oxidation. / Alumina. / Argon. / Copper. / Copper oxides. / Eutectics. / Furnaces. / Mechanical properties. / Oxygen. / Phase interfaces. / Solar control films. / Vacuum. / Vacuum furnaces. / Aluminum oxide. / Chemical bonding. / Cooling. / Copper compound. / Hydrogen. / Mechanical property. / Microstructure. / Oxidation. / Oxide. / Partial pressure. / Porosity. / Strength. / Atra.

Total 28247 records