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 20 of 201 for “"operational conditions"”.
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Hydrodynamic Design of Ship Bulbous Bows Considering Seaway and Operational Conditions
Diese Arbeit zeigt die Anwendung von Langzeitsimulationen für den hydrodynamischen Schiffsentwurf, insbesondere für die Auslegung von Bugwülsten. Die vorgestellte Methodik vereint mehrere beteiligte Aspekte in einer zentralen Entwurfsplattform mit Simulationen, die u.a. Routen, Wetter-, und …
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Computer-aided Engineering Tools for Structural Health Monitoring under Operational Conditions
… approaches for structures monitored under operational conditions. The first part of the thesis is the development of a graphical user interface (GUI) software for real-time autonomous assessment of structural health condition based on the signature vibration properties of the structure …
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Experimental Characterization of Heat Transfer and Fluid Flow in TCR Fuel Elements under Varying Operational Conditions
… the TCR's 3D-printed ceramic core under varying operational conditions. Nitrogen was utilized as the cooling medium, with experiments carried out at pressures ranging from 300 to 600 psi and temperatures spanning 100°C to 300°C. Critical parameters, including inlet and outlet gas temperatures, …
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Investigation of effect of dynamic operational conditions on membrane fouling in a membrane enhanced biological phosphorus removal process
… in turn, are affected by the chosen operating conditions. The present research study aimed to explore the process performance and membrane fouling in the membrane enhanced biological phosphorus removal (MEBPR) process under different operating conditions by, (1) comparing two MEBPRs operated in …
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Analysis of Aquifer and Operational Conditions for Successful Soil Aquifer Treatment of Treated Wastewater via Synthesis of Published Full-Scale and Laboratory-Scale Studies
… studies developing insights on the aquifer and operational factors that affect SAT efficacy. The goal of this study was to develop a basis for predicting the contaminant removal capabilities of any given aquifer during managed recharge with treated wastewater.</p> <p>Over 40 published SAT …
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Condition Classification in Underground Pipes Based on Acoustical Characteristics. Acoustical characteristics are used to classify the structural and operational conditions in underground pipes with advanced signal classification methods
… a rich source of information about the internal conditions of a pipe. This thesis reports on a classification system based on measuring the direct and reflected acoustic signals and describing the energy spectrum for each condition/pipe defect. A K-nearest neighbour classifier (KNN) and Support …
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The utility of mathematical fitness-fatigue models for assisting with the planning of physical training for sport: from in silico experiments employing synthetic data, lower-bound operational conditions and model estimation, to the development of software resources for future research.
The greatest potential application of mathematical models in sport science is to predict future performance of individual athletes in response to training, with sufficient accuracy to assist with planning of training programs and short tapering periods. The most widely known and investigated set of …
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Management of Complex Sociotechnical Systems
… social and technical factors that originate from operational conditions on workload. The second essay studies how teams of humans and their autonomous partners share work, given their subjective preferences and contextual operational conditions. This study presents a novel integration of machine …
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The Effect of Suspension on Parametric Stability and Bifurcation of Geared Systems in Permanent Contact Regime
… in mesh, for bad range of parameters, or poor operational conditions, separation of the teeth can occur. This results in free play mode, where the teeth are no longer in contact. The separation of the teeth results in different impact phases when the teeth come back into contact; in the worst …
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Online condition monitoring of lithium-ion and lead acid batteries for renewable energy applications
… monitoring of batteries during different operational conditions, such as: Temperature, State of Charge (SoC) and State of Health (SoH) etc. The EIS plot translates to the impedance profile of a battery and is fitted to an Equivalent Electric Circuit (EEC) that model the physicochemical …
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Soybean Oil Deacidification Using Membrane Separation and Supercritical Carbon Dioxide
… the appropriate temperature and pressure conditions to use for the membrane separation. Data obtained from the solubility tests showed the best operational conditions in terms of temperature and pressure 45°C and 306 atm, respectively.
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Performance Evaluation and Modeling Techniques for Parallel Processors
… the issue of application performance under real operational conditions. A technique is introduced which accurately models the behavior of an application in real workloads. The methodology can evaluate the performance of the application as well as predict the effects on performance of certain …
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Degradation of swine manure and a computer model for predicting the desorption rate of ammonia from an under-floor pit
… experimentally determined under simulated pit operational conditions (1.8% and 3.3% initial manure TS, 20$\sp\circ$C and 30$\sp\circ$C manure temperature). The chemical components of the manure were characterized into different layers. It was found that solids and organic matter accumulated, …
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Assessing Impacts of Decentralizing Airpower Command and Control
… tenet of joint airpower doctrine, yet there are operational situations in which some degree of decentralization may be appropriate. The purpose of this research was to quantitatively assess the impacts of decentralizing the command and control (C2) of airpower under varying operational …
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Analysis and control of voltage dynamics in electric power systems
… voltage problems as unacceptable operating conditions. Mathematical and operational conditions are derived for distinguishing among steady-state insecure, oscillatory, and transiently unstable voltage operating conditions as particular categories of the general voltage problem operating …
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Analysis of a Partial Differential Equation Model of Surface Electromigration
… in a high temperature environment typical to operational conditions of microelectronic interconnects. The atomic mobility and surface energy of such films are anisotropic, and the model accounts for these material properties. The goal of modeling is to describe and understand the …
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Investigations on the Operational Behavior of the GEM MSGC Inner Tracking System and Study on the Reconstruction of chi_c Events in the HERA-B Detector
… of GEM MSGC detectors was commissioned. The operational behavior of the delicate chambers in the difficult environmental conditions caused by the hadronic particle beam of HERA-B was studied over a long period of time. During the operation period in 2000 stable operational conditions were …
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Synthetic aperture sonar for sub bottom imaging
… in a laboratory tank, under controlled conditions at a fresh water reservoir, and under realistic operational conditions at sea. Encouraging results have been obtained.
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Removals of sulfonamide and trimethoprim antibiotics in municipal wastewater by biological treatment processes
… treatment processes and optimization of their operational conditions may enhance the removal of many of these substances. A highly sensitive and reliable method using liquid chromatography tandem mass spectrometry was developed for the analysis of six sulfonamide antibiotics (sulfadiazine, …
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A Coupled PDE Model for the Morphological Instability of a Multi-Component Thin Film During Surface Electromigration
… and in a high-temperature environment similar to operational conditions of integrated circuits. The proposed model assumes the anisotropies of the diffusional mobilities for two atomic species, and negligible stresses in the film. The purpose of the modeling is to describe and understand the …
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