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 14 of 14 for “"Thermal network"”.
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Thermal network model development for an extended range electric vehicle battery pack with experimental verification through dynamic environmental exposure
The objective was to develop a thermal model of the Chevrolet Volt battery pack, with focused on the influence of packaging components external to the cell modules, and on the pack’s response to ambient environmental influences. The thermal network was refined experimentally using heat flux and …
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Numerical solution of multiple front phase change problems for modeling ice thermal storage systems
… systems, which arise in ice-on-pipe brine thermal energy storage systems, are investigated in this study. Two numerical methods, the boundary element method ( BEM ) and the thermal network method ( TNM ), are developed to solve the multiple front phase change problems. In the thermal …
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A methodology for thermal analysis and predictive control of building envelope heating systems
… as a building envelope heating system (BEHS). Thermal mass usually integrated with such a heating system can be utilized to lower both peak loads and operating costs and to reduce room temperature swings by predictive control while utilizing solar gains to reduce energy consumption. …
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Inverter Dynamic Electro-Thermal Simulation with Experimental Verification
A full electro-thermal simulation of a three-phase space-vector-modulated (SVM) inverter is performed and validated with measurements. Electrical parameters are extracted over temperature for the insulated gate bipolar transistor (IGBT) and diode electro-thermal models. A thermal network …
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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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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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Dynamic temperature estimation of power electronics systems
… a method for accurate temperature estimation of thermally-aware power electronics systems. The duality between electrical systems and thermal systems was considered for thermal modeling. High dimensional thermal models present a challenge for online estimation. RC (resistor-capacitor) circuits …
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Synthesis of integrated solar thermal networks for domestic and industrial utilization
… and optimization methods for integrating solar thermal with domestic and industrial heat networks over multiple time frames based on discrete time intervals/periods. The study also presents a new simultaneous multi-period modelling and design framework for increasing thermal output of an …
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Latent Heat Thermal Energy Storage with Embedded Heat Pipes for Concentrating Solar Power Applications
… concept of combining heat pipes with latent heat thermal energy storage (LHTES) for concentrating solar power (CSP) applications is explored. The low thermal conductivity of phase change materials (PCMs) used in LHTES presents a design challenge due to slow heat transfer rates during heating and …
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Buildings in a hot climate with variable ventilation at night
… comfort at night. The procedures to evaluate thermal performance of buildings with special reference to nocturnal ventilation are studied. Various approaches to building thermal response are first reviewed. Dynamic thermal simulation computer models are developed to predict hourly 'internal …
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Applied Probabilistic Inference: Model Estimation For Hvac Predictive Controls And All-Weather Perception For Autonomous Vehicles
… are extended for model inference-estimating thermal model parameters and disturbances in buildings and dynamic object classification for perception in autonomous vehicles. Part one of this study proposes a general, scalable method to learn controloriented thermal models of buildings that …
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Analysis and Design of a Novel E-Core Common-Pole Switched Reluctance Machine
… SRM configurations as well. For investigating thermal characteristics in the two-phase single-body E-core SRM, the machine is modeled by a simplified lumped-parameter thermal network in which there are nine major parts of the motor assembly.
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Electrical, Magnetic, Thermal Modeling and Analysis of a 5000A Solid-State Switch Module and Its Application as a DC Circuit Breaker
… the high-speed capability of the ETO and strong thermal couplings among ETOs. A high-current DC switch module based on the DirectETO can be realized by directly connecting ETOs in parallel without the bulky current sharing inductors used in other current-sharing solutions. In order to achieve …
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Increasing Electric Machine Power Density With a New End-winding Cooling System
… loop for the vehicle. The last one is high thermal conductivity potting material which enhance the heat transfer from the end-winding to the housing. However, this solution still faces limitation in terms of mass production feasibility. Thus, this thesis proposed the investigation of a new …