采用共轭梯度法的管内壁温度导热反问题求解

工程热物理学报 , 2009, 30(7): 1188-1190.

1.热科学与动力工程教育部重点实验室,清华大学热能工程系,北京,100084

2.热科学与动力工程教育部重点实验室,清华大学热能工程系,北京,100084

3.热科学与动力工程教育部重点实验室,清华大学热能工程系,北京,100084

4.Mitsubishi Heavy Industries,Tokyo,Japan

5.Mitsubishi Heavy Industries,Tokyo,Japan

6.Mitsubishi Heavy Industries,Tokyo,Japan

INVERSE HEAT CONDUCTION PROBLEM OF DEDUCING INNER WALL TEMPERATURE BY USING CONJUGATE GRADIENT METHOD

建立了采用共轭梯度法的非稳态二维导热反问题数学模型,并利用FORTRAN语言编写了程序进行计算求解,由同心圆管外壁温度随时间的变化得到管内壁温度随时间的变化.计算结果表明,计算值与准实验值吻合,共轭梯度法能够准确地计算得到管内壁不同位置温度随时间的变化.

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