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 9 of 9 for “"Variable Loads"”.
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A Finite Difference Approach to Modeling High Velocity/Variable Loads using the Timoshenko Beam Model
Electromagnetic launchers (railguns) are set to replace traditional large caliber ship mounted cannons in the near future. The success of the railgun depends heavily upon a comprehensive understanding of beam behavior during periods of heavy dynamic loading. It is hypothesized that the combination …
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Verificação no estadio I e II e na ruptura de seções em concreto protendido
… to the design forces due to permanent and variable loads. Some peculiarities about the interaction diagrams for the ultimate limit forces are discussed.
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An investigation of energy-based planned maintenance of offshore drilling mud pumps.
… operations require pump performance with variable loads (pressures), variable speed characteristics and time-based maintenance would not be able to account for the different operating conditions within any identical time frames. To address this shortcoming, this research looked at the …
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Analysis of low voltage regulator efficiency based on ferrite inductor
… at frequencies between 1 and 10 MHz with variable loads from 0.024 to 4 ohms. The parameters, such as inductance of 20 nH, quality factor of 15 of fabricated ferrite inductor and DC resistance (DCR) of 8.3 milli ohms, were used for efficiency analysis of the converter. High current around …
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Develop a Supercapacitor Real Time Model for PHIL Simulation
… can rarely meet all of the dynamic behavior of variable loads, which results in load performance limitations. Therefore, energy storage devices, like batteries and supercapacitors, are introduced into the system to ensure quality power is provided under a wide range of dynamic load conditions. …
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Dynamic modeling and control strategies for a micro-CSP plant with thermal storage powered by the Organic Rankine cycle
… heat sources and sinks, thermal storage, and the variable loads associated with distributed generation. Based on an existing micro-CSP (concentrating solar power) plant, the dynamic model is implemented in the Modelica modeling language. Detailed steady-state component models, which are …
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Nonlinear System Identification of Physical Parameters for Damage Prognosis and Localization in Structures
… of how structural components endure loads, in particular variable loads, is that these components gradually, over some period of time depending on the nature of the loading and the material, develop a microcrack. After some additional time and loading, the microcrack grows to a size …
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Detailed model for robust feedback design of main steam temperatures in coal fired boilers
… temperature according to design conditions at variable loads is maintained via a balance between heat input (flue gas temperature and mass flow rate), evaporator outlet steam mass flow and spray water. The present control philosophy accuracy of main steam temperatures at an Eskom coal fired …
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Computational synthesis of structures and mechanisms using topology optimization with variable boundary conditions
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms