C214 熱伝導における逆問題解 : 時間の分割方法について(OS-6 熱流動現象の計測およびデータ解析技術I)

概要

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An inverse solution using Laplace transform can predict a given boundary condition well except for rapid change of the surface condition and moving heat source by introducing a time partition method. The time partition method has the ambiguity of how time is divided. A new method in which the inverse solution at a time, t, is obtained from the measured temperatures in the time range of [t-α(L^2/απ^2), t+α(L^2/απ^2)/2] becomes free from the complicated time division. In addition, for a moving source, a new interpolation is introduced by taking into account the temperature propagation along the moving source. The inverse solution, thereby can succeed in predicting the surface condition for any case commonly encountered. Quench cooling of high temperature, as an example of a moving source is effectively coped with.
一般社団法人日本機械学会の論文
2005-11-02