Conference Editor

Jianshun Zhang; Edward Bogucz; Cliff Davidson; Elizabeth Krietmeyer

Keywords:

Space cooling, Pipe-embedded window, CFD, Cooling load, Building energy efficiency

Location

Syracuse, NY

Event Website

http://ibpc2018.org/

Start Date

24-9-2018 1:30 PM

End Date

24-9-2018 3:00 PM

Description

The pipe-embedded window is a double window structure with pipes embedded inside the cavity to adjust the temperature. The preliminary studies showed that it can significantly reduce the cooling load of buildings with natural cooling sources such as the water from cooling towers in summer. However, the research on the influencing factors of the pipeembedded window is insufficient. In this paper, the numerical calculation models are established for a pipe-embedded window and a traditional window. The influence of climatic factors, such as the natural cooling source temperature and outdoor air temperature on the thermal performance of the pipe-embedded window are studied. Based on these, the building energy efficiency is analysed. The results show that the thermal resistance of the pipeembedded window is basically constant. A linear relationship has been found between the inner surface heat flux, pipe heat flux, interlayer mean air temperature and the outdoor air temperature, mean water temperature or solar radiation intensity. The solar radiation intensity, water temperature, outdoor air temperature is ranked from most to least influence. The location of pipe has little effect on the temperature field and heat transfer of a pipe-embedded window. In summer, the difference between inner-glass and outer-glass insulation is small.

Comments

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DOI

https://doi.org/10.14305/ibpc.2018.ms-2.05

Creative Commons License

Creative Commons Attribution-Noncommercial 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License.

COinS
 
Sep 24th, 1:30 PM Sep 24th, 3:00 PM

Numerical analysis of the influencing factors on the performance of a pipe-embedded window operated in summer

Syracuse, NY

The pipe-embedded window is a double window structure with pipes embedded inside the cavity to adjust the temperature. The preliminary studies showed that it can significantly reduce the cooling load of buildings with natural cooling sources such as the water from cooling towers in summer. However, the research on the influencing factors of the pipeembedded window is insufficient. In this paper, the numerical calculation models are established for a pipe-embedded window and a traditional window. The influence of climatic factors, such as the natural cooling source temperature and outdoor air temperature on the thermal performance of the pipe-embedded window are studied. Based on these, the building energy efficiency is analysed. The results show that the thermal resistance of the pipeembedded window is basically constant. A linear relationship has been found between the inner surface heat flux, pipe heat flux, interlayer mean air temperature and the outdoor air temperature, mean water temperature or solar radiation intensity. The solar radiation intensity, water temperature, outdoor air temperature is ranked from most to least influence. The location of pipe has little effect on the temperature field and heat transfer of a pipe-embedded window. In summer, the difference between inner-glass and outer-glass insulation is small.

https://surface.syr.edu/ibpc/2018/MS2/5

 

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