Research on New Air Supply Mode of Fan-coil Unit Based on CFD

Authors

  • Meng Li

DOI:

https://doi.org/10.54097/ajst.v4i3.5051

Keywords:

Fan coil unit, Air distribution form, Attached and sent down, CFD simulation.

Abstract

 Fan coil unit air supply is one of the main air supply modes of air conditioning. The fan coil unit system generally adopts the air distribution form of upward supply and upward return on the same side. In this work, a static pressure box is added at the outlet of the fan coil, and a deflector with separate control direction is set at the outlet of the static pressure box. In summer, the combination of up-side air supply and up-attached down-flow air supply is adopted to adjust the deflector to control the distribution of cold air and keep the overall indoor temperature distribution consistent. In winter, the air supply outlet is transferred to the lower part of the fan coil, and the hot air is directly sent to the personnel activity area at the lower part of the room by the adhesive effect of the jet, effectively solving the indoor air stratification phenomenon in winter.

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References

Cao Zhenhua. Simulation study on temperature fuzzy control of variable frequency air conditioning room [J]. Refrigeration and Air Conditioning (Sichuan), 2019 (4): 433-436.

Jin Haikui, Wang Ying, Wang Jian. Research on indoor air flow organization of a room with heating problems in a hotel [J]. Building thermal ventilation and air conditioning. 222 (07): 69-74.

Yang Haonan. Study on the flow characteristics of the impinging zone of a vertical wall attached jet [D] Xi'an University of Architecture and Technology, 2021.

Lai Fenglin, Liang Hui, Zhang Huaqiang, Peng Huisheng. Numerical study on optimal design of fan coil unit duct [J]. Electromechanical Information, 2018 (01): 78-81.

Duan Guannan. Research on room temperature adjustment energy conservation based on human comfort analysis [D]. Shenyang University of Architecture, 2018.

Wang Chenhui. Numerical simulation of pollutant diffusion and ventilation control in public building toilets [D]. Xi'an University of Architecture and Technology, 2020.

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Published

08-02-2023

Issue

Section

Articles

How to Cite

Research on New Air Supply Mode of Fan-coil Unit Based on CFD. (2023). Academic Journal of Science and Technology, 4(3), 165-170. https://doi.org/10.54097/ajst.v4i3.5051

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