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- Title
VAKUUMINIŲ IR PLOKŠČIŲJŲ SAULĖS KOLEKTORIŲ SISTEMŲ EKSERGINIŲ EFEKTYVUMŲ PALYGINIMAS.
- Authors
Bielskus, Juozas; Januševičius, Karolis; Martinaitis, Vytautas
- Abstract
The article presents simulation based exergy analysis used for comparing solar thermal systems applied for preparing domestic hot water. The simulation of flat and vacuum tube solar collector systems was performed in TRNSYS simulation environment. A period of one year under Lithuanian climate conditions was chosen. Simulation was performed on 6 min time step resolution by calculating energy and exergy flows and creating balance calculation. Assessment results at system and element levels have been presented as monthly variation in efficiency. The conducted analysis has revealed that the systems designed to cover equal heat energy demand operates in different exergetic efficiencies.
- Subjects
EXERGY; SOLAR thermal energy; HOT water; CLIMATOLOGY; HEAT
- Publication
Science: Future of Lithuania / Mokslas: Lietuvos Ateitis, 2013, Vol 5, Issue 4, p404
- ISSN
2029-2341
- Publication type
Article
- DOI
10.3846/mla.2013.64