Seabed sediment : a natural seasonal heat storage feasibility study
Mäkiranta, Anne; Martinkauppi, Birgitta; Hiltunen, Erkki (2017)
Mäkiranta, Anne
Martinkauppi, Birgitta
Hiltunen, Erkki
Estonian Agricultural University, Faculty of Agronomy
2017
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe202001071432
https://urn.fi/URN:NBN:fi-fe202001071432
Kuvaus
vertaisarvioitu
Tiivistelmä
The new discovery among renewable energy resources, seabed sediment, has been utilised as a heat source for 42 houses in Vaasa since 2008. Sediment heat is annually loaded by the Sun. In this study the amount of annually charged energy is estimated. The difference of sediment temperatures between the coldest and the warmest month during the year is a key value in the approximation of the loaded energy. Sediment temperatures are measured once per month via optical cable by distributed temperature sensing (DTS) method. The monitoring period is three years, 2014–2016. The estimation of incoming energy (575 MWh) versus known exploited energy (560 MWh) is reasonable. Despite of the extraction this seasonal heat storage in the seabed of the Baltic Sea seems to reload well annually.
Kokoelmat
- Artikkelit [2346]