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Open AccessArticle

Long-Term Monitoring of Sensible Thermal Storage in an Extremely Cold Region

1
Department of Mechanical Engineering, University of Alaska Anchorage, 3211 Providence Drive, ECB 301K, Anchorage, AK 99508, USA
2
Bristol Bay Campus, University of Alaska Fairbanks, Box 1070, 527 Seward Street, Dillingham, AK 99576, USA
*
Author to whom correspondence should be addressed.
Energies 2019, 12(9), 1821; https://doi.org/10.3390/en12091821
Received: 20 March 2019 / Revised: 20 April 2019 / Accepted: 7 May 2019 / Published: 13 May 2019
We present more than one-year of monitoring results from a thermal energy storage system located in a very cold place with a long winter season. The studied house is in Palmer city, Alaska (~62° N, ~149° W). The house is equipped with solar PV for electricity production and solar thermal collectors which were linked to a sensible thermal energy storage system which is underneath the house’s normally unoccupied garage and storage space. Sensors were installed in the thermal storage and solar thermal collector array to monitor system temperatures. In addition, TRNSYS was used for numerical simulation and the results were compared to experimental ones. The maximum observed garage ambient temperature was ~28 °C while the simulated maximum ambient garage temperature was found to be ~22 °C. Results indicate that seasonal solar thermal storages are viable options for reducing the cost of energy in a region with extended freezing periods. This is significant for Alaska where the cost of energy is 3–5 times the national average. View Full-Text
Keywords: thermal storage; solar thermal; sand-bed; rock-bed; TRNSYS; cold region thermal storage; solar thermal; sand-bed; rock-bed; TRNSYS; cold region
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MDPI and ACS Style

Hailu, G.; Hayes, P.; Masteller, M. Long-Term Monitoring of Sensible Thermal Storage in an Extremely Cold Region. Energies 2019, 12, 1821. https://doi.org/10.3390/en12091821

AMA Style

Hailu G, Hayes P, Masteller M. Long-Term Monitoring of Sensible Thermal Storage in an Extremely Cold Region. Energies. 2019; 12(9):1821. https://doi.org/10.3390/en12091821

Chicago/Turabian Style

Hailu, Getu; Hayes, Philip; Masteller, Mark. 2019. "Long-Term Monitoring of Sensible Thermal Storage in an Extremely Cold Region" Energies 12, no. 9: 1821. https://doi.org/10.3390/en12091821

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