Global ETD Search
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Showing 1 to 6 of 6 for “"hybrid operation"”.
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Hybrid internal combustion engine : driving a vehicle using air compressed in braking
… is the motivation behind Mr. David F. Moyer's hybrid internal combustion engine concept. A vehicle using this engine should attain higher fuel economy levels as a result of kinetic energy recovery and reuse (achieved by using the engine as an air compressor during braking, storing the …
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Low order models for hybrid gas bearings
… outside the standard operating regime and stable operation is a challenge. The model presented in this paper is able to predict the bearing's behavior under hydrodynamic, hydrostatic and hybrid operation. The model is an application of Newton's second law of motion to the journal, after it has …
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A methodology for evaluating photovoltaic-fuel hybird energy systems
… of the PV generation may cause dynamic operational problems for an electric utility. In order to remedy this situation it is proposed that fuel cell power plants be operated in parallel with PV arrays. This hybrid operation will help to smooth out the fluctuating PV output. Because of …
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Study of a Pneumatic Hybrid aided by a FPGA Controlled Free Valve Technology System
… fuel economy and one of them is the pneumatic hybrids. The idea with pneumatic hybridization is to reduce the fuel consumption by taking advantage of the, otherwise lost, brake energy. In the work presented in this study a heavy duty Scania D12 engine has been converted to work as a pneumatic …
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Mapping the Electrodialysis Architecture Design Space by Determining Optimal System Configurations for Different Production Outputs
… architecture was proposed and explored called hybrid operation that utilizes the benefits from both continuous and batch operation. Additionally, this framework can also be used to identify the most cost-effective strategy for employing batteries and managing the energy stored versus used for …
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A High-efficiency Isolated Hybrid Series Resonant Microconverter for Photovoltaic Applications
… power conditioning systems. A topology with hybrid modes of operation are proposed to achieve wide-input regulation while achieving high efficiency. Two operating modes are introduced in details. Under high-input conditions, the converter acts like a buck converter, whereas the converter …