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Technical Paper

Computer-Aided Heat and Flow Management of an Electric Generator

1997-05-19
971844
In this paper, design of a generator is summarized which starts with the analysis of an existing generator, for which experimental measurements existed. First a system model of this existing design is analyzed and analysis results are validated by using these measurements. Then a sensitivity analysis is performed to study the critical features of the existing design. Based on the sensitivity analysis, areas for improvement are identified and modifications are suggested for these areas. One of the suggested modifications is the design of a new fan. For this purpose, a three-dimensional analysis is conducted. Again, starting with the original design of the fan, an optimized design is obtained after several iterations. The end product of the described design procedure is built and tested. Comparison of test results with the original design shows significant improvement in terms of performance and efficiency.
Technical Paper

Computer Aided Design of Automotive Alternator Fans for Improved Cooling Performance and Noise

1996-02-01
960274
Development process of a set of duct fans for an automotive alternator is described. By computer modeling, one can estimate the airflow characteristics of a given fan for providing increased cooling performance and lower noise. The process includes identification of several fan geometries and definition of an optimum configuration. Test results are provided for the final design.
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