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 169 for “"thermal model"”.
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Statistical distributions in the thermal model
An attempt is made to use the thermal model to determine statistical particle number fluctuations in the presence of exact conservation laws. A basis is provided, which will be useful to extend the range of applications of the thermal model with both a large number of conserved charges as well as …
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A thermal model of a corn combine
The thermal power in a combine is produced by the irreversible processes that occur during the operation of the machine. If the thermal power is not removed at a sufficient rate, the resulting increase in temperature may initiate a fire in the combine.
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Thermal model of an annular fuel cell
Thesis (S.M. and S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2003.
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Understanding perception of different urban thermal model visualizations
… areas and can provide the means for a full 3D thermal reconstruction over limited spatial extents. Irrespective of the data collection method, the thermal properties of cities are typically visually represented using color, although the choice of colormap varies widely. Previous cartographic …
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A thermal model for a float glass annealing lehr
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1983.
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Control-Oriented Thermal Model for a Hybrid Vehicle Battery
… temper- ature information can be used for better thermal control of the cells in the battery pack. Lithium-ion cells are known to have a measurable temperature gradient when operating un- der extreme conditions. As a result, the surface temperature of cells as measured by the temperature sensors …
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A thermal model for rapid hyperthermia therapy planning and evaluation
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Development and evaluation of a thermal model for haptic interfaces
The thermal interaction between the skin and an object is influenced by the thermal properties and initial temperatures of the skin and object, and by the contact force and surface roughness of the contact surfaces. This thermal interaction is modeled in this research which characterizes the …
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First Order Thermal Model of the Navy integrated Power Electronics Building Block
… and can be used as a benchmark for future thermal cooling design.
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The development and application of THERMUS : a statistical-thermal model analysis package for ROOT
A statistical-thermal model package, THERMUS, developed for incorporation into the ROOT framework of analysis, is presented. THERMUS, designed with applications to relativistic heavy-ion and elementary collisions of the baryon, strangeness and charge contents of he fireballs resulting from such …
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Handheld infrared camera use for suicide bomb detection: feasibility of use for thermal model comparison
… are passive sensors that create infrared, or thermal, images without having to expose the subject to any radiation. These images show the heat signature that is given off by objects of interest. Previous studies using infrared detectors for concealed weapon detection have tried to observe the …
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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 Novel Fluid Structure Interaction and Thermal Model to Predict the Cylinder Block / Valve Plate Interface Performance in Swash Plate Type Axial Piston Machines
… a unique fully coupled multi-body dynamics model has been proposed to capture the complex fluid-structure interaction phenomena affecting the non-isothermal fluid film conditions.</p> <p>The model is able of determining the fluid film thickness as a function of the interface's load …
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Thermal testing of the STAR forward GEM tracker disks
In my thesis project, I worked on the Thermal Model for the FGT detector. The purpose of this thermal model is to simulate the cooling system for the electronics of the FGT. In this thesis report, I go over the construction of the model disks for the thermal model and the measurements I made on one …
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A study on micro-scale combustion
… wall temperature drastically. Furthermore, a thermal model for microcombustion is set up. Given this thermal model, entropy generation during microcombustion is formulated, and operating parameters for optimum performance are obtained. Finally, making use of the thermal model and entropy …
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Design Automation for Reliable CMOS Chip Input/output Circuits
Thermal failure is one of the most prevalent failure mechanism during the Human Body Model (HBM) ESD stress. Previous circuit thermal model (integrator circuit) in iETSIM only applies for constant current stress. A general thermal model using convolution is developed. New techniques are proposed to …
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A tool for analyzing the evolution of non-uniformities in lithium-ion cylindrical battery cells at the module level under various operating conditions
… energy storage systems, necessitating advanced modeling techniques to enhance their safety, performance, and lifespan. This thesis presents the development and validation of a coupled electrical and lumped thermal model for cylindrical lithium-ion batteries along with a finite difference thermal …
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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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Power balance in a helicon plasma source for space propulsion
… ionization power, and plume output power. A thermal model for the neutral confinement tube is presented whereby heat flux may be derived from thermal response data. Numerical simulation and experimental benchmarking are employed to validate this thermal model. A mapping of power consumption …
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Thermal Modeling and Validation Testing of a Miniature Xenon Ion Thruster
… Xenon</p> <p>Ion (MiXI) thruster has been modeled and tested. Using ANSYS Fluent, a two-</p> <p>dimensional model of the transient thermal environment of MiXI-CP-V3 was</p> <p>created. Validation testing was conducted in order to assess the accuracy of the</p> <p>thermal model. During …
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