1307 封入型熱磁気モータの出力推定モデルに基づく加熱冷却システムの最適設計(OS7-2 設計と最適化II-形状・トポロジー最適化-,OS7 設計と最適化)

概要

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A thermo-magnetic motor is able to drive by using heat energy and magnetic energy such as hot spring water and waste heat from power plants. In our previous studies, the 3rd experimental thermo-magnetic motor has been developed and succeeded in steady driving with hot water and cold water. Furthermore we have been designing the sealing type thermo-magnetic motor which is integrated the heating and the cooling lines and the magnetic circuits. In this study, we show the analytical method of output power estimation of the thermo-magnetic motor based on the transient heat transfer analysis and the magnetic field analysis by using FEM analysis software and compared with the experimental value. The difference between the analytical value and experimental value is around 20%. The result is sufficient to obtain the design value. Additionally we proposed an optimum design method for heating and cooling system design by using the conjugate gradient method. For the objective function of the conjugate gradient method, new analytical method is developed to estimate the output power. The effectiveness of the proposed optimum design method demonstrates through the optimization of the heating and cooling system in the sealing type thermo-magnetic motor.
2009-10-28