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Transient Simulation

On Transient Simulation of Field Equations

On Transient Simulation of Field Equations

... We investigate under what conditions transient simulation could be used to integrate backward in time so that the initial field could be recovered from later histories. In this paper we use realistic ...

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Modeling Of Interior Permanent Magnet Synchronous Motor Using Transient Simulation Techniques

Modeling Of Interior Permanent Magnet Synchronous Motor Using Transient Simulation Techniques

... This paper presents a detailed modeling of the Interior Permanent Magnet Synchronous Motor (IPMSM) drive system. The modeling is done with the aid of Transient Simulation techniques and the equations are ...

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Efficient Macromodeling and Fast Transient Simulation of High Speed Distributed Interconnects

Efficient Macromodeling and Fast Transient Simulation of High Speed Distributed Interconnects

... domain simulation approach has been proposed using Large Change Sensitivity ...perform transient simulation, cir- cuit equations are solved at each time point with one LU decomposition and one ...

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Fast transient simulation of IEEE recommended surge arrester model on a transmission line using alternative transient program (ATP)

Fast transient simulation of IEEE recommended surge arrester model on a transmission line using alternative transient program (ATP)

... The simulation of the equivalent circuit resulted in an excellent fit to experiment despite the use of data of other investigators to determine the components of the ...accurate simulation, it must be done ...

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CFD analysis of a twin scroll radial turbine

CFD analysis of a twin scroll radial turbine

... of transient simulations calcula- tions have been started from steady the initial condition corresponding to steady state frozen rotor simulation and the ten revolutions of the rotor have been ...by ...

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The Numerical Simulation of Aerodynamic Noise Generated by CRH3 Train’s Head Surface

The Numerical Simulation of Aerodynamic Noise Generated by CRH3 Train’s Head Surface

... numerical simulation analysis for the CRH3 train’s three dimensional flow ...Eddy Simulation Method (LES) to have a transient simulation for the CRH3 train which is in the speed of 300 km/h ...

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Transient Modeling and Simulation of Coal Bed Methane Transmission Pipeline

Transient Modeling and Simulation of Coal Bed Methane Transmission Pipeline

... pipeline transient simulation mathematic ...slow transient characteristic of gas flowing, the implicit central difference method is used to transform partial differential equations of the model into ...

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Simulation of the Transient Operation of an Internal Combustion Engine

Simulation of the Transient Operation of an Internal Combustion Engine

... a transient, single-cylinder, Diesel engine ...the transient simulation has been validated against experimental results from a single- cylinder ...engine. Simulation predictions of the cyclic ...

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Comparative Study on Electromagnetic and Electrome chanical Transient Model for Grid connected Photovoltaic Power System

Comparative Study on Electromagnetic and Electrome chanical Transient Model for Grid connected Photovoltaic Power System

... electromagnetic transient model needs small compute step because of its complexity, resulting in long computation time, and 4) at present, large power grid analysis often requires business or engineering si- ...

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Efficient frequency-transient co-simulation of coupled heat-electromagnetic problems

Efficient frequency-transient co-simulation of coupled heat-electromagnetic problems

... The Lemma guarantees solvability of Maxwell’s equations independent of the tempera- ture. However, generalizations are possible but we focus here on the high frequency case because it exhibits a distinct multirate ...

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Numerical Cooking for Pasteurized Soft Boiled Eggs

Numerical Cooking for Pasteurized Soft Boiled Eggs

... Thermal simulation of heat transfer within an egg is needed to get correlation data between transient temperature distribution and the egg’s dimensional and material ...conductive transient heat ...

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Simulation of Energization and De Energization of Capacitor Banks and Mitigation of Transient Overvoltages

Simulation of Energization and De Energization of Capacitor Banks and Mitigation of Transient Overvoltages

... In the second case of the circuit, the shunt capacitor bank is opened in the feeder line. A capacitor bank is de-energized at time 0.05s. So produced transient overvoltages and inrush currents of phase A peaks are ...

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A Novel Projective Integration Method (Pim) For the Efficient Transient Stability Simulation of Power Systems with High Dg Penetration

A Novel Projective Integration Method (Pim) For the Efficient Transient Stability Simulation of Power Systems with High Dg Penetration

... This project presents a projective integration method (PIM) for the fast transient stability simulation of power systems with high DG penetration. The main motivation is to take the ad-vantages of both ...

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Dynamic Behavior Induced by the Cooperation between Two Different Ionic Conductances in a Mathematical Model of Vibrissa Motoneurons

Dynamic Behavior Induced by the Cooperation between Two Different Ionic Conductances in a Mathematical Model of Vibrissa Motoneurons

... a transient external perturbation, which is a novel type of bistability that was not described in previous studies of the vMN model and (2) the change from the down state to the up state is induced by a ...

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Ferroresonance Mitigation Method Using Active Filter In Voltage Transformer (VT)

Ferroresonance Mitigation Method Using Active Filter In Voltage Transformer (VT)

... Ferroresonance phenomenon is often be regarded as unpredictable and random. However, there are few symptoms to recognize the incident. For instance, at the point when over currents and over voltages with high levels of ...

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Equivalent circuit simulation of HPEM-induced transient responses at nonlinear loads

Equivalent circuit simulation of HPEM-induced transient responses at nonlinear loads

... to transient HPEM ex- citation of a canonical system, compare ...corresponding simulation model con- sisting of a nonlinearly loaded loop antenna placed inside a metallic resonator is depicted in ...a ...

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Garny, Hella
  

(2010):


	Causes and impacts of changes in the stratospheric meridional circulation in a chemistry-climate model.


Dissertation, LMU München: Fakultät für Physik

Garny, Hella (2010): Causes and impacts of changes in the stratospheric meridional circulation in a chemistry-climate model. Dissertation, LMU München: Fakultät für Physik

... As the boundary conditions from REF-B1 and SCN-B2d differ only in the prescribed SSTs for 1960 to 1999, the comparison of the two simulations in this period reveals the influence of using different SST data sets on the ...

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TSC Simulation of Transient CHI in New Electrode Configuration on QUEST

TSC Simulation of Transient CHI in New Electrode Configuration on QUEST

... In the mid-size ST device, QUEST [3,4], we have now implemented transient CHI capability through a collabora- tive research with the University of Washington and PPPL [5]. The main objectives of this experiment ...

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Penetration of gas into concrete during a leakage rate test of reactor containments and its significance for the drop in pressure

Penetration of gas into concrete during a leakage rate test of reactor containments and its significance for the drop in pressure

... The simulation model shows that, theoretically, there are significant air fluxes into the concrete structures and that the sum of these fluxes reduces the mass of air inside the containment during a pressure ...

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Simulation of Transient Flow in Hydroelectric Power Plants Using Unsteady Friction

Simulation of Transient Flow in Hydroelectric Power Plants Using Unsteady Friction

... Wicket gate opening at speed no load operation (SNLO) is the wicket gate opening at which unit (turbine and generator) rotate at synchronous speed with zero output. At SNLO, the turbine output is equal to the turbo ...

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