# Inverse Heat Conduction Problem of the Temperature Field with Artificial Ground Freezing Method

## Abstract:

The Artificial Ground Freezing (AGF) Method play an important role in the geotechnical engineering and the back analysis of thermal conductivity of frozen soil is the main inverse heat conduction problem of temperature field. In this paper the physical modelling test of AGF is carried out with double-row-pipe freezing in the lab. According to the measured temperature, the back analysis of thermal conductivity of frozen soil is solved based on the two-dimensional finite element simulation and the least square principle. It is helpful to investigate the freezing process and determine the frozen wall thickness.

## Info:

Periodical:

Edited by:

Chaohe Chen, Yong Huang and Guangfan Li

Pages:

89-92

Citation:

S. L. Xu "Inverse Heat Conduction Problem of the Temperature Field with Artificial Ground Freezing Method", Advanced Materials Research, Vols. 243-249, pp. 89-92, 2011

Online since:

May 2011

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\$38.00

Permissions:

[1] Renhe Wang, Shiliang Xu. Modelling test of temperature field of freezing wall and inverse heat conduction problem. Journal of Anhui University of Science and Technology, Vol. 23 (2003), pp.18-22. (in Chinese).

[2] Renhe Wang, Rongbin Cao. Numerical analysis of the temperature field features in the frozen wall with double rows of freezing pipes. Journal of Glaciology and Geocryology, Vol. 23(2002), pp.181-184. (in Chinese).

[3] Xinhuan Hao, Qixiao Wang, Di Yang. Design and development of thermal conductivity instrument for low temperature frozen soil. Refrigeration and Airconditioning, Vol. 7 (2007), pp.55-60. (in Chinese).

[4] Ping Yang, Jieming Ke, J.G. Wang etc. Numerical simulation of frost heave with coupled water freezing, temperature and stress ﬁelds in tunnel excavation. Computer and Geotechnics, Vol. 33(2006), p.330–340.

[5] Leonid Bronfenbrener. The modelling of the freezing process in ﬁne-grained porous media: Application to the frost heave estimation. Cold Regions Science and Technology, Vol. 56 (2009), p.120–134.

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