Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Dynamic stability analysis"”.
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Static and dynamic stability analysis of a truss model
… of this study is to investigate the static and dynamic stability of an elastic truss model. The truss model· is subjected, separately, to static loads, dynamic step loads, and dynamic impulse loads. For each loading, the results are presented in the form of stability boundaries and displacement …
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Dynamic stability analysis of a multi-stage axial compressor with design implications
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2003.
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Influence of Diaphragm Flexibility on the Out -of -Plane Dynamic Response of Unreinforced Masonry Walls
… (2DOF) model is introduced as a simple tool for dynamic stability analysis of unreinforced masonry walls subjected to distortions at their top from an attached flexible floor diaphragm. The 2DOF model incorporates the nonlinear static (pushover) response of two cracked wall segments rocking as …
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On the application of PMU measurements to system stability analysis
… thesis proposes a method to analyze power system stability by utilizing PMU measurements. As the current power system is operated close to its limits, stability is of high concern for both operators and customers. The implementation of phasor measurement units across the power system allows for …
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Application of a design optimization strategy to multi-stage compressor matching
… framework combines a mean-line flow solver and a dynamic stability analysis of a six-stage low-pressure compressor of a modern turbofan engine to optimize the blade row geometry for enhanced stability at flight idle conditions. To assess the potential improvements in compressor stability at low …
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Numerical Simulation of Thermohaline Convection in the Mixed Layer of the Ocean
… given to two-component diffusion resulting from dynamic instabilities in the water column. The conservation equations for salt and heat include the effects of solar heating, horizontal advectlon, and turbulent fluxes at the sea surface, while wind mixing enter through the use of depth-dependent …
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Rapid-response surveillance system design and aerodynamic modeling
… trajectory, to de-spin and slow down. Aerodynamic surfaces (wings and tails) would deploy out of the shell, and the flier would conduct a 15-minute surveillance mission, recording images with a visual sensor, and sending them back to a ground station. In the aerodynamic analysis and …
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Analysis And Modeling Of The Eds Maglev System Based On The Halbach Permanent Magnet Array
Electro-dynamic suspension (EDS) Magnetic levitation (Maglev) with its advantage in maintenance, safety, efficiency, speed, and noise is regarded as a leading candidate for the next generation transportation / space launch assist system. The Halbach array due to its unique magnetic field feature …
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Investigation of the application of UPFC controllers for weak bus systems subjected to fault conditions. An investigation of the behaviour of a UPFC controller: the voltage stability and power transfer capability of the network and the effect of the position of unsymmetrical fault conditions.
… be connected, an investigation of static and dynamic voltage stability is presented. Two stability indices, static and dynamic, have been proposed in the thesis. Multi-Input Multi-Output (MIMO) analysis has been used for the dynamic stability analysis. Results based on the Western System …
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Voltage and stability analysis of distribution networks with non-conventional energy sources
… to the distribution network, in terms of it's stability. In particular this study analyses the impact of interconnection of small synchronous generators to the utility power grid. Dynamic stability analysis is mainly concerned with analysing the response of electrical power system to small …
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Electromechanical Wave Propagation Analysis
… results of power system faults. Therefore, the dynamic behavior of power systems should be properly observed. The EMW propagation in the literature was studied using assumptions such as constant voltage throughout the entire power system and zero resistances and equal series reactances for the …