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Inverse estimation of temperature boundary conditions with irregular shape of gas tank

机译:气罐形状不规则的温度边界条件的逆估计

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摘要

To broaden the application of inverse estimation, the purpose of this study is to estimate the unknown temperature boundary condition of the complex or irregular shape, like the high pressure gas tank. An inverse algorithm based on the sequential method and the concept of future time combined with the finite-element method is proposed to solve the two dimensional irregular shape heat conduction problems. Special features about the proposed method are that the stiffness matrix of the irregular shape can be solved from the finite-element method and used by the inverse algorithm. The estimated results are quite accurate with the consideration of future time in the different measured errors, the various sensor's number and the sensor location. These results show that the proposed method is an accurate, sturdy, and efficient method for solving several realistic applications.
机译:为了扩大逆估计的应用范围,本研究的目的是估计复杂或不规则形状的未知温度边界条件,例如高压储气罐。提出了一种基于顺序法和未来时间概念的有限元方法相结合的逆算法,以解决二维不规则形状的导热问题。该方法的特点是可以用有限元法求解不规则形状的刚度矩阵,并用逆算法进行求解。考虑到将来在不同的测量误差,各种传感器的数量和传感器位置方面的考虑,估计结果非常准确。这些结果表明,所提出的方法是解决几种实际应用的准确,坚固,有效的方法。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2010年第22期|p.4651-4662|共12页
  • 作者单位

    Institute of Mechatronic System Engineering. National University of Tainan, Tainan 700, Taiwan, ROC;

    rnAssociate, Department of Mechanical and Computer-Aided Engineering, Feng Chia University, No. 100 Wenhwa Rd., Seatwen,Taichung 40724, Taiwan, ROC;

    rnDepartment of Mold and Die Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung City, 807 Taiwan, ROC;

    rnInstitute of Mechatronic System Engineering. National University of Tainan, Tainan 700, Taiwan, ROC;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    inverse heat conduction; gas tank; irregular shape; sequential algorithm; future time;

    机译:逆导热储气罐;不规则形状顺序算法未来时间;

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