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Non-destructive methods for assessment of district heating pipes: a pre-study for selection of proper methods

Peter Lidén (Institutionen för bygg- och miljöteknik) ; Bijan Adl-Zarrabi (Institutionen för bygg- och miljöteknik)
15th International Symposium on District Heating and Cooling (1876-6102). Vol. 116 (2017), p. 374-380.
[Konferensbidrag, refereegranskat]

Many energy companies are facing renewal of their district heating and cooling (DHC) network. However, there are no non destructive methods to determine the performance of existing pre-insulated pipes during operation. A pre-study has led to a selection of a couple of non-destructive methods that will be further evaluated and tested in field and in laboratory. Two non-destructive methods, individually or in combination, are considered interesting for further studies. A cooling method and a method for evaluation of the temperature coefficient of resistance (TCR), which aims at using the existing copper wire in pre-insulated pipes.

Nyckelord: District heating pipes, lifetime status, non-destructive methods, degradation, PUR, Cooling methods

Denna post skapades 2017-09-06. Senast ändrad 2017-09-20.
CPL Pubid: 251708


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Institutioner (Chalmers)

Institutionen för bygg- och miljöteknik (2005-2017)



Chalmers infrastruktur