TED - a mobile equipment for thermal response test: testing and evaluation
Student thesis: Master's thesis, 30 credits, for qualification at advanced level, 300.0 Credits
Downloaded 102 times
Catarina Ekl?f
Signhild Gehlin
Master of Science in Engineering Technology
The study treats the advantage of using a mobile equipment for measuring the
thermal resistance in a borehole, to determine the thermal properties of the
entire borehole system. Suggestions for further development of the equipment
are given in the study. The equipment is technically very simple. It
basically consists of a pump, a heater and temperature sensors for measuring
inlet and outlet temperature of the borehole . The equipment is set up on a
small trailer to make it easily transported between boreholes. The response
test takes one week to execute, so the test is fully automated. The
equipment has been tested at two cooling systems for telephone stations in
Stockholm, and the results from the measurement accurately estimate the
thermal properties of the borehole systems. The mobile equipment for a
thermal response test is a valuable tool for improving the economical
potental of underground thermal energy systems.
Language
English
Publication date
1996
Publishing institution
Samh?llsbyggnadsteknik
Keywords
response test, thermal energy, heat storage , thermal, conductivity, thermal resistance, cooling system, borehole, UTES
Documents
HLU EX 1996198E SE
961 KB, PDF-document
16/09/13