DSpace at Transilvania University >
Mechanical Engineering >
CN Mecanica Fluidelor 2006 >
Please use this identifier to cite or link to this item:
http://hdl.handle.net/123456789/1440
|
Title: | A LOCAL THERMAL ANALYSIS OF AN AC ARMATURE WINDING OF A HIGH TEMPERATURE SUPERCONDUCTOR MOTOR |
Authors: | MOREGA, A.M ORDONEZ, J.C NEGOIAS, P.A |
Issue Date: | 2006 |
Publisher: | Transilvania University Press of Braşov |
Citation: | Google Scholar |
Series/Report no.: | CN Mecanica fluidelor 2006;269-276 |
Abstract: | The new generation of airborne High Temperature Superconductor (HTS) synchronous electric motors employs AC copper "air windings" hosted in an iron-less stator, which is siege of intense power dissipation by Joule and variable magnetic field effects. Prototyping a low weight/volume HTS motor leads then to a complex thermal design of the AC winding that may exceed the level of detail requested by standard electrical machines. In order to provide for the thermal stability of the motor, a detailed knowledge of the temperature field, beyond the information delivered by the standard lumped circuit model, is essential. This paper reports a preliminary, local, numerical analysis of a cooling concept that solves the heat flow problem in a critical part of the air-winding armature. The paths and mechanisms of heat transfer, the thermal load structure unveiled by numerical simulation are used to generate a finer resolution lumped thermal network that may be used in the design phase of the prototype. |
URI: | http://hdl.handle.net/123456789/1440 |
ISSN: | 1223-964 X |
Appears in Collections: | CN Mecanica Fluidelor 2006
|
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
|