Unsteady State
Unsteady-state Computational Fluid Dynamics Modeling of Hydrogen Separation from H2/N2 Mixture
... gas mixture by porous ceramic membrane [16]. Chen and Hsu used CFD method to investigate hydrogen separation from nitrogen by 3 different palladium membranes in unsteady state. They analyzed the operating ...
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Modeling and analysis of unsteady-state thermal performance of a single-slope tilted solar still
... It is known that the solar distillation exhibits considerable economic advantages over the other water distillation pro- cesses because it costs less, uses free energy, and reduces operating costs. Producing fresh water ...
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Direct Calculation of Unsteady State Weymouth Equations for Gas Volumetric Flow Rate with Different Friction Factors in Horizontal and Inclined Pipes
... analytical unsteady- state flow equation for gas pipelines in two categories: gas flow in wellbore during production and gas flow in pipe-lines during ...all unsteady-state processes tend ...
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A numerical solution to an inverse unsteady-state heat transfer problem involving the Trefftz functions
... Confronted with the recent broadening of the application range for narrow flow boiling heat transfer systems, researchers are devoting extensive experimental and theoretical studies to better understand heat transfer ...
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Matrix Formulation of Steady/Unsteady-State Models in Complex Pressurized Pipe Systems.
... steady state formulation to solve unsteady state problems via the admittance matrix method, NAMM, is ...the unsteady-state solution provided by the NAMM formalization proposed in this ...
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Stability results of a fractional model for unsteady state fluid flow problem
... for unsteady-state fluid flow problem developed based on the meshless local Petrov-Galerkin (MLPG) method with the moving kriging (MK) technique as a ...
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Unsteady-State Modeling of the Fluidized Bed Polyethylene Reactor
... Hatzantonis, H., Yiannoulakis, H., Yiagopoulos, A., Kiparissides, C., Recent developments in modeling gas-phase catalyzed olefin polymerization fluidized- bed reactors: [r] ...
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The Role of Thermal and Microstructural Parameters on Corrosion Resistance of Unsteady-State Horizontally Solidified Aluminum-Copper Hypoeutectic Alloys
... With the view to investigate the effect of solute content on the ECR of the studied alloys, in this work the open circuit potential as a function of time, polarization as a function of c[r] ...
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The Unsteady State Operation of Chemical Reactors.
... is concerned with the determination of optimal dynamic operation of continuous processes in general, and continuous chemical.. -reactors in particular.[r] ...
228
Unsteady-State Thermo Elastic Problem in a Thick Circular Plate Due to Heat Source with third Kind Boundary Conditions
... The high velocities of modern aircraft give rise to aerodynamics heating, which produces intense thermal stresses that reduce the strength of the aircraft structure. Kulkarni V.S. and Deshmukh K.C. [1] have been ...
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Influence of critical parameters on an unsteady state MHD flow in a porous channel with exponentially decreasing suction
... The effect of the angle of inclination for a fixed Reynolds number and for different values of magnetic intensity, the velocity profiles are plotted as figure 4, figure 5, figure 6and f[r] ...
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ALGERIA – AN UNSTEADY PARTNER FOR EUROPE Mansouria Mokhefi
... the state is aggravating a regional fracture that is tearing an already very fragile national fabric that runs from the troubled region of Kabylia in the north through to the south of the ...
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Application of steady and unsteady detonation waves to propulsion
... end state of minimum en- tropy on the Hugoniot ...initial state. In unsteady flows, a variety of com- bustion processes can be started from a given initial state, whereas in steady-flow ...
335
Modeling Evaporating Droplets in Complex Unsteady Flows
... inhomogeneous, unsteady or turbulent, it may be practically impossible to explicitly compute all of the fluid and particle degrees of freedom in a numerical simulation of the ...
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Numerical Simulation on Unsteady Heat Transfer of a Sphere
... In this numerical research work, the transient heat transfer is considered when a solid sphere at a uniform temperature is immersed in cold stagnant fluid.. In the solution procedure, f[r] ...
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Unsteady natural convection in near-shore waters
... Figure 2.15 Volumetric flow rate at different x positions within the conduction- dominated near shore region for different Rayleigh numbers. The x positions are equally spaced within the specified range. ...
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Unsteady natural convection in near-shore waters
... The mesh and time step dependency tests have been conducted for Ra = 1.4 10 7 with three different meshes of 211×71, 315×105 and 421×141 respectively. The time steps for different meshes are adjusted accordingly so ...
196
Boundary Layer Method for Unsteady Transonic Flow
... inviscid unsteady aerodynamics analysis, e.g. by solving the unsteady transonic small disturbance potential flow, full potential flow, or Euler equations of ...
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Unsteady flow phenomena in an axial flow compressor
... a consideration of measurements and potential flow model calculations has indicated that "potential flow" absolute velocity'defects downstream of the rotor are only about 20% of the defe[r] ...
130
Rolling with the flow: bumblebees flying in unsteady wakes
... in unsteady flow we would expect that, although bees experience the largest translational perturbations around the lateral axis, they would also be capable of responding most quickly and easily by producing a ...
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