Experimental study of a large temperature difference thermal energy storage tank for centralized heating systems | Zendy

Jian Sun | Zendy; Jing Hua | Zendy; Lin Fu | Zendy; Shigang Zhang | Zendy

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Experimental study of a large temperature difference thermal energy storage tank for centralized heating systems

Author(s) -

Jian Sun,

Jing Hua,

Lin Fu,

Shigang Zhang

Publication year - 2017

Publication title -

thermal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.339

H-Index - 43

eISSN - 2334-7163

pISSN - 0354-9836

DOI - 10.2298/tsci160720173s

Subject(s) - thermal energy storage , storage tank , thermal , nuclear engineering , environmental science , heating system , energy storage , heat pump , materials science , energy (signal processing) , thermal energy , process engineering , mechanical engineering , thermodynamics , engineering , heat exchanger , physics , power (physics) , quantum mechanics

Decreasing the backwater temperature of the primary pipe in a centralized heating system is one successful way to increase the heating capacity and recover different kinds of industrial low-grade heat from the system. A new system combining an energy storage tank and a heat pump is introduced in this study as the key device in this system, so the temperature difference of this thermal storage tank could be over 25 oC. To improve the thermal energy storage tank design, a mathematical model considering disturbance factor is given, an experimental system is built, and good agreement is found when the experimental results are compared with simulation results.

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