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Published in:
2020 | OriginalPaper | Chapter
Experimental Study of an Integrated Heating System in a Residential Building Sourced with Multiple Thermal Energies from Solar Energy, Air and Wastewater
Authors : Jiamin Fang, Chao Shen, Yiqiang Jiang
Published in: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)
Publisher: Springer Singapore
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Abstract
Building’s energy efficiency has become a key area in energy saving and emission reduction; thus, heat pumps assisted with renewable energy are of great interest in designing the heating system of buildings. Solar energy is a good renewable energy, but its energy density is relatively low and is not stable. The performance of traditional air source heat pumps is significantly reduced at low-temperature conditions, while the thermal energy of waste bath water in buildings is another alternative heat source although intermittent. Given all of these cases, an integrated heating system with a thermal storage tank was designed, which could collect all the available thermal energy into the tank in real time and serve out the thermal energy for water heating and space heating when being required. Such an integrated heating system was created in our laboratory; its performance was tested and analyzed; results indicated that the whole system had a good performance in energy saving.