期刊
JOURNAL OF BUILDING ENGINEERING
卷 33, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jobe.2020.101581
关键词
Water source heat pump; Surface water heat pump; Swimming pool; Space heating; TRNSYS
资金
- National Agency for Research and Development ANID/FONDECYT/Project [1191705]
This study introduces a novel water source heat pump system using outdoor pools in a Mediterranean climate region of Chile. The results indicate that the system operates more efficiently in warmer climates, and is economically feasible for buildings larger than 300 square meters.
Water bodies are identified as potential heat sources (heat sink) for space heating (cooling) purposes. Thus, the nearby buildings can benefit from these sources by employing heat pump systems. This work presents a novel configuration of water source heat pump using outdoor pools in Mediterranean climate of Chile's central region for space heating. The annual transient performance of the system is modeled in TRNSYS using a physical deterministic model in combination with an equation-fitting procedure. The model accepts several parameters that represent the efficiency and size of the components of the system. Then the thermodynamics and economic performance matrices of the system are built as the output of the model. The results show the application of an outdoor swimming pool as a heat source is favorable without any serious situation of ice formation in the pool. In terms of different locations, the system operates more efficiently in a warmer climate, mainly due to lower required heat load and lower operating frequency. It is possible to reduce the operating time of the system considering a larger area of the pool, as well as higher nominal heating capacity, particularly for larger buildings. However, the analysis indicates that the system is economically feasible in buildings larger than 300 [m(2)]. The proposed system can be installed in other places, sharing a similar climate zone and common building features.
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