988 resultados para electric arc simulation


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This thesis investigates the challenges of establishing the electric vehicle (EV) in Ireland and how the Irish government and industry are trying to meet them. It further seeks to provide information on Irish consumers’ attitudes towards the electric vehicle and their willingness to purchase it. The review of the literature showed that the Irish government is investing significant funds in trying to establish the market for the electric vehicle and position itself as a world leader in adopting the electric vehicle. The EV will also have an important role to play in how Ireland meets its targets for CO2 reductions towards 2020. Climate change and use of fossil fuels are driving the need for increased use of renewable energy and increased energy independence while reducing the greenhouse gas emissions that are the leading cause of climate change. The transport sector is almost completely dependent on the use of fossil fuel and resultantly is one of the largest sources of these GHG emissions. These issues are leading to the design and production of more energy efficient and environmentally friendly vehicles. The ultimate goal is to achieve a zero emissions vehicle. The electric vehicle is presently the only vehicle being mass produced that has the potential to be zero emissions. There are however issues that customers may not be willing to overlook such as the lower range of the vehicle and the length of time it takes to recharge. Vehicle cost is also an important issue that customers may not overlook. Knowing what the consumer’s attitudes are towards the EV and their willingness to purchase them is important as these new vehicles begin to appear in the showrooms. The consumers will be vital to how successful this market becomes. Using an online questionnaire methodology, in a sample of 118 consumers, the major conclusion to be drawn from the research is that the vehicle price, the convenience to recharge and vehicle range were the three most essential issues for the consumers if they were purchasing an EV. The success of the electric vehicle market may depend on what measures are taken to overcome them.

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The results of investigations of the influence of aerosol pollution of atmosphere in Tbilisi (the capital of the Georgia, city with the greatest level of air pollution) on the total air electric conductivity in Dusheti (the small city, located in 40-45 km to the north of Tbilisi) are represented.

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Magdeburg, Univ., Fak. für Maschinenbau, Diss., 2011

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Magdeburg, Univ., Fak. für Verfahrens- und Systemtechnik, Diss., 2011

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Zerspanung, Drehen, Kühlschmierung, Werkstücktemperatur, thermisch bedingte Abweichungen, FE-Modellierung, Inversaufgaben

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Stelmor, Simulation, Drahtabkühlung, Luftkühlstrecke, Modell, Temperaturfeld, Wärmeübergang, Modellierung, Wärmeübergangskoeffizient

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Solar cooling, absorption chiller, latent heat storage, TRNSYS, simulation, ammonia, water

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Digital control, power source, arc welding, process control, information management, transient behaviour, thermal impedance, simulation, duty cycle, system design

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Close homolog of L1, neural cell recognition molecules, c-fos, arg3.1, arc, immediat early genes, novelty, information processing, behavioral tests

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Electrochromatography, numerical simulation, electrokinetics, electroosmosis, parallel computing

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Magdeburg, Univ., Fak. für Verfahrens- und Systemtechnik, Diss., 2011

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Magdeburg, Univ., Fak. für Verfahrens- und Systemtechnik, Diss., 2012

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Magdeburg, Univ., Fak. für Verfahrens- und Systemtechnik, Diss., 2012

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Object-oriented simulation, mechatronic systems, non-iterative algorithm, electric components, piezo-actuator, symbolic computation, Maple, Sparse-Tableau, Library of components

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Piezoelectric actuator, electric drive, switching amplifier, charge pump, energy recovery, model of the piezoelectric actuator, mixed-mode-simulation, FPGA, voltage control, bit serial implementation