INVERSE HEAT CONDUCTION PROBLEM OF SIMULTANEOUSLY ESTIMATING SPATIALLY VARYING THERMAL CONDUCTIVITY AND HEAT CAPACITY PER UNIT VOLUME

1989 ◽  
Vol 16 (2) ◽  
pp. 249-266 ◽  
Author(s):  
G. P. Flach ◽  
M. N. Özişik
Keyword(s):  
Thermal Conductivity ◽  
Heat Capacity ◽  
Heat Conduction ◽  
Unit Volume ◽  
Heat Conduction Problem ◽  
Inverse Heat Conduction Problem ◽  
Inverse Heat Conduction ◽  
Spatially Varying

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

2011 ◽  
Vol 243-249 ◽  
pp. 89-92
Author(s):  
Shi Liang Xu
Keyword(s):  
Thermal Conductivity ◽  
Temperature Field ◽  
Heat Conduction ◽  
Heat Conduction Problem ◽  
Back Analysis ◽  
Inverse Heat Conduction Problem ◽  
Frozen Soil ◽  
Inverse Heat Conduction ◽  
Ground Freezing ◽  
Artificial Ground Freezing

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.

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