Analysis of Operating Characteristics of Large-scale Solar Thermal System Using Two Types of Collectors
Author(s) -
DongWon Lee,
Jae-Heok Heo,
MinHwi Kim
Publication year - 2017
Publication title -
journal of the korean solar energy society
Language(s) - English
Resource type - Journals
eISSN - 2508-3562
pISSN - 1598-6411
DOI - 10.7836/kses.2017.37.2.067
Subject(s) - heat pump , thermal energy storage , environmental science , thermal , tube (container) , scale (ratio) , environmentally friendly , solar thermal collector , nuclear engineering , process engineering , meteorology , mechanical engineering , engineering , thermodynamics , heat exchanger , geography , physics , ecology , cartography , biology
We have investigated the operating characteristics of 1,600 m2 large-scale solar thermal system installed in an eco-friendly energy town in Chungbuk Innovation City. The operation criteria of the collecting pump and storage pump were different from the existing standard, and it was confirmed that each pump works well according to the changed criteria. Based on the data of the representative day, the daily collecting heat (efficiency) and the production (storing) heat (efficiency) were estimated. It was confirmed that the daily collecting heat (efficiency) of the flat plate type was higher than that of the evacuated tube type, but the useful heat production was more in evacuated tube type collector.
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