Page 53 - JCAU-5-2

Journal of Chinese
Architecture and Urbanism Indoor photothermal environment in Miao dwellings

i. The analysis of the field monitoring data revealed Author contributions
that the mean indoor temperature of Miao
traditional dwellings in western Hunan exhibited Conceptualization: Zhezheng Liu, Zhe Li
an approximate 1℃ elevation compared to the Data curation: Zhezheng Liu, Xiang Lin
outdoor temperature. Furthermore, the temperature Investigation: Zhezheng Liu, Liang Xie, Xiang Lin,
fluctuations observed in the hall, fire pit room, and Jishui Jiang
side room were measured at 4.5℃, 4.1℃, and 4.0℃, Methodology: Zhe Li, Liang Xie
respectively, indicating a significant reduction of Resources: Zhe Li, Fupeng Zhang
11.5℃ compared to the temperature fluctuations Software: Zhezheng Liu, Liang Xie
experienced outdoors. These findings provide Supervision: Liang Xie, Jishui Jiang
empirical evidence that Miao traditional houses Visualization: Zhezheng Liu, Liang Xie
in western Hunan exhibit commendable thermal Writing – original draft: Zhezheng Liu, Guanglei Yang
insulation performance. Writing – review & editing: Zhezheng Liu, Liang Xie
ii. According to the field monitoring data, it was Ethics approval and consent to participate
observed that the level of natural illumination within
the interior of Miao traditional dwellings in the Not applicable.
western Hunan region fell short of meeting the current
standard requirements. To address this issue while Consent for publication
preserving the regional characteristics of the dwelling Not applicable.
façades, simulation techniques were employed using
Ecotect software. The simulation results indicated that Availability of data
by implementing light wells on the roof, the overall The data presented in this study are available on reasonable
indoor illumination levels were improved to meet the request from the corresponding author. The data are not
prescribed standards for activities such as reading and publicly available due to privacy considerations.
writing.
iii. Traditional dwellings of the Miao ethnic group in References
the western Hunan region exhibit a remarkable
capacity for adaptation to the local geographic Bodach, S., Lang, W., & Hamhaber, J. (2014). Climate responsive
and climatic conditions, as evident in their spatial building design strategies of vernacular architecture in
arrangement and material selection. The spatial Nepal. Energy and Buildings, 81:227-242.
layout of these dwellings effectively harnesses the https://doi.org/10.1016/j.enbuild.2014.06.022
prevailing southeast wind during the summer Chi, F., Wang, Y., Wang, R., Li, G., & Peng, C. (2020). An
while mitigating the harsh northwest wind in the investigation of optimal window-to-wall ratio based on
winter, thereby ensuring a comfortable indoor changes in building orientations for traditional dwellings.
environment. Furthermore, measures such as the Solar Energy, 195:64-81.
inclusion of eave projections serve to protect the https://doi.org/10.1016/j.solener.2019.11.033
walls from rainwater-induced corrosion. Moreover,
the choice of building materials not only aligns with Fang, K., Tang, Y., Zhang, Q., Song, J., Wen, Q., Sun, H., et al.
contemporary sustainable development principles (2019). Will China peak its energy-related carbon emissions
by 2030? Lessons from 30 Chinese provinces. Applied
but also corresponds harmoniously with the natural Energy, 255:113852.
climate of the region.
https://doi.org/10.1016/j.apenergy.2019.113852
Acknowledgments Fang, X. (2020). Research on Residential Thermal Environment and
The authors would like to thank Sui Chen, Bin Peng, and the Thermal Comfort of Older People in Rural Areas in Hot
Qimeng Xie for their help during the fieldwork. Summer and Cold Winter Area. Changsha: Hunan University.
Fernandes, J., Mateus, R., Gervásio, H., Silva, S. M., & Bragança,
Funding L. (2019). Passive strategies used in Southern Portugal
This research was funded by the National Natural Science vernacular rammed earth buildings and their influence in
Foundation of China (Grant number: 52078484). thermal performance. Renewable Energy, 142:345-363.
https://doi.org/10.1016/j.renene.2019.04.098
Conflict of interest
Hou, X., Cheng, B., & Yang, J. (2021). A quantitative study on the
The authors declare they have no competing interests. exterior wall texture of stone-built dwellings in traditional

Volume 5 Issue 2 (2023) 11 https://doi.org/10.36922/jcau.403