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 38 for “"Thermal modelling"”.
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Thermal modelling of feedwater heaters
… it to the results that are predicted by a thermal model. An additional limitation is that the manufacturer will only disclose the minimum number of design parameters. The purpose of this study was to develop a thermal model that can predict the performance of a FWH. The model requires the …
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Thermal-modelling of extensional tectonics
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1986.
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Electric-thermal modelling of power electronics components
Electro-thermal modelling of power electronics system is considered to be one of the most important design techniques for the development of compact and high-power density power electronics systems for the future. For handling inevitable heat generation due to non-ideal nature of components both …
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An investigation into the thermal modelling of induction motors.
… be limited to safe values. A lumped parameter thermal model has been developed, which allows rapid and accurate estimation of the temperature distribution in a machine. The lumped parameter thermal model depends on the accurate knowledge of the thermal coefficients and more importantly the loss …
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Thermal modelling of ultrarelativistic heavy ion collisions conserving strangeness exactly
[ pg 56-60,87,88 missing] Thermal modelling of particle production in ultrarelativistic heavy ion collisions incorporating appropriate conservation principles with respect to the relevant quantum numbers, has been highly successful in determining chemical freeze-out conditions across a wide range …
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Parametric Studies Based Mechanical and Thermal Modelling of Spot Welded Joints
… approach has been established to predict the thermal history of a spot welded joints using remote thermocouples. This method incorporated the experimental data into an Artificial Neural Network (AAN) to predict cooling curves of the HAZ. Advanced modelling programs have been developed to …
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Computational and empirical thermal modelling of a proposed SOFC stack housing design
… the past two decades. Some research has involved modelling the mass, thermal and electrical energy flows in SOFC stack designs. Due to increased thermo-mechanical strength, a minitubular configuration offers quicker start up than planar designs, higher power densities than large tubular designs, …
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3 dimensional flow and thermal modelling of the friction stir welding process
… authors have used analytical and numerical thermal models to predict the weld microstructure and residual stress and distortion. However these models have not yet been able to predict the conditions whereby a successful weld can be achieved. To fully understand the complete welding process …
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Thermal Modelling, Management, and Electrical Safety Assessment for Containerised Vanadium Flow Battery Systems
… typically containerised, the development of a thermal model is essential for maintaining effective temperature management during long-duration storage. Additionally, continuous electrolyte leakage may occur during VFB operation, which introduces electrical safety risks, highlighting the …
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Thermal Modelling of the Ventilation and Cooling inside Axial Flux Permanent Magnet Generators
… the developments of a lumped parameter, thermal modelling technique for axial flux permanent magnet generators. The main aim of this research is to develop a fast and accurate thermal modelling tool which can be used for rapid machine design and ultimately, to replace complex and time …
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Thermal Modelling and Validation of Heat Profiles in an RF Plasma Micro-Thruster
… device suitable for nanosatellites is an electrothermal plasma thruster called Pocket Rocket. Pocket Rocket is a low-power, low-cost propulsion platform specifically designed for use in nanosatellites such as CubeSats. Due to difficulties associated with integrating propulsion devices onto …
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Three dimensional thermal modelling of high temperature proton exchange membrane fuel cells in a serpentine design
… FLUENT. The focus of my work is to study the thermal distribution within this segment. The results of the work aid in a better understanding of the fuel cell operation in this temperature range. At the time of my investigation experimental results were unavailable for validation and therefore …
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Multi-scale electrochemical-thermal modelling of a sodium-ion battery cell using the SPMe with a lumped thermal model
… This study investigated the electrochemical-thermal behavior of an NVPF/HC sodium-ion cell using a multiscale modelling framework based on the Single Particle Model with electrolyte (SPMe) coupled with a lumped thermal model and implemented in PyBaMM. The simulations were conducted across …
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A study of the use of combined thermal and microwave modelling of body regions for microwave thermography
… group of subjects. Combined microwave and thermal modelling has been used to estimate the effective blood supply to the anterior intra-articular region of the patella, and the perfusion of the quadriceps muscle in both groups. 2-D numerical modelling was compared with results obtained using …
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Modelling and Control of Tubular Linear Generators for Wave-Power Applications
… energy extraction. The literature on the modelling and control of linear generators thereby naturally lags behind that of rotary machines. This dissertation makes contributions to four key areas in applying a linear generator to the challenge of wave power energy extraction – <i>thrust …
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Optimisation of electrical machines using data-driven dynamic thermal models and surrogate-based multi-objective evolutionary algorithms.
… failure. Traditional analytical and numerical modelling approaches require substantial domain knowledge, while data-driven methods demand large amounts of costly training data. On the other hand, electrical machine design is inherently a Multi-Objective Optimisation Problem (MOOP). Although …
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Thermo-Economic Modelling of Micro-Cogeneration Systems System Design for Sustainable Power Decentralization by Multi-Physics System Modelling and Micro-Cogeneration Systems Performance Analysis for the UK Domestic Housing Sector
… system, engine, heat exchanger, and dwelling thermal modelling are being introduced to cater for the special nature of the subject. The developed software is a unique modular simulation tool platform linking a number of independent energy generation systems, and presents a new approach in the …
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The thermal structure of collisional orogens – insights from the Grenville orogen in Canada and Scotland
… crust. This is essential to examining the thermal structure of orogens and their co-evolution with crustal deformation patterns. In this thesis, I present a multi-method approach to the study of the Mesoproterozoic (c. 1.1–1.0 Ga) Grenville orogen, integrating P–T results from phase …
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Load Frequency Control for Electric Water Heater Using DBSCAN Algorithm in real-time
… dynamically group water heaters based on their thermal state and operational flexibility, enabling coordinated response to grid frequency deviations.<br/><br/>The methodology integrates real-time grid frequency monitoring with thermal modelling of domestic hot water systems. A dynamic control …
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