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Wärmeübergangswiderstand bei flächigen thermo-aktiven Bauteilen am Beispiel thermo-aktiver Abdichtungselemente

Author(s):


Medium: journal article
Language(s): German
Published in: Bautechnik, , n. 7, v. 90
Page(s): 387-394
DOI: 10.1002/bate.201300035
Abstract:

Thermal resistance for plane thermo-active geotechnical systems using the example of thermo-active seal-panels

The use of geothermal energy with thermo-active geothermal systems has been constantly increasing over the last years. There are examples for Energy-Piles, Energy-Diaphragm-Walls or Energy-Slabs documented. The chair of Geotechnical Engineering (RWTH Aachen University) has developed thermo-active seal panels, which are based on the principle of thermo-active structures made of concrete. The seal panels were tested in large-scale laboratory tests showing very satisfying results.
The realistic description of the heat transfer between soil and structural element is paramount for the design of a geothermal plant. Regarding rotationally symmetric systems there are several modeling tools. In contrast, there are no comparable models for plane elements documented. Therefore, the chair of Geotechnical Engineering, in cooperation with Geophysica Beratungsgesellschaft mbH, developed a mathematical model, which includes all important parameters. The different heat transfer processes are summed-up to a thermal resistance model, which is implemented in a Finite Difference Code (Shemat-Suite).

Keywords:
heat transfer numerical simulation thermo-active geothermal systems shallow geothermal system
Available from: Refer to publisher
Structurae cannot make the full text of this publication available at this time. The full text can be accessed through the publisher via the DOI: 10.1002/bate.201300035.
  • About this
    data sheet
  • Reference-ID
    10068866
  • Published on:
    24/07/2013
  • Last updated on:
    13/08/2014
 
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