Thermal Comfort in Pedestrian Spaces of Mountain Cities in Humid and Cold Environments

[en] This study aimed to explore the microclimate and outdoor thermalcomfort characteristics of pedestrian spaces in mountain cities under humid andcold conditions. It focused on rainy and cloudy winter days in a typical moun-tain city (Chongqing), employing a combination of onsite thermal environmentmeasurements and survey questionnaires. The research analyzed the Thermal Sen-sation Votes (TSV), thermal comfort evaluation indices (Universal Thermal Cli-mate Index—UTCI, Physiological Equivalent Temperature—PET), and thermalenvironment parameters at representative sites. The findings revealed that firstly,outdoor thermal comfort and perception on cloudy winter days was minimallyinfluenced by the microclimate. In contrast, on rainy winter days, it was sig-nificantly impacted by black globe temperature and wind speed. Secondly, thecorrelation between PET and Mean Thermal Sensation Vote (MTSV) was foundto be higher than that between UTCI and MTSV, indicating that PET might bemore aligned with the local climate and pedestrian activities. Lastly, the studydetermined the neutral PET range for different weather conditions in the area andcompared it with existing research to identify discrepancies. This paper offers areference for the neutral thermal comfort range in pedestrian spaces in regionswith hot summers and cold winters under humid and cold winter climates, pro-viding theoretical support for urban planning and design, with an emphasis on theresults being presented in the past tense to reflect completed experiments.

Disciplines :

Architecture

Author, co-author :

Xiong, Ke

Attia, Shady ; Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments

He, Baojie

Language :

English

Title :

Thermal Comfort in Pedestrian Spaces of Mountain Cities in Humid and Cold Environments

Original title :

[en] Urban Climate, Sustainability and Urban Design

Publication date :

15 January 2025

Main work title :

Part of the book series: Lecture Notes in Civil Engineering

Publisher :

Springer, Singapore, Unknown/unspecified

Pages :

551–562

Peer reviewed :

Peer reviewed

Development Goals :

11. Sustainable cities and communities
13. Climate action
3. Good health and well-being

Additional URL :

https://link.springer.com/book/10.1007/978-981-97-8401-1

Available on ORBi :

since 18 November 2024

Statistics

Number of views

6 (4 by ULiège)

Number of downloads

1 (1 by ULiège)

More statistics

Scopus citations^®

Scopus citations^®
without self-citations

OpenCitations

OpenAlex citations

Bibliography

Meehl, G.A., Tebaldi, C.: More intense, more frequent, and longer lasting heat waves in the 21st century. Science 305(5686), 994–997 (2004)
Mora, C., et al.: Global risk of deadly heat. Nat. Clim. Change 7(7), 501 (2017)
Fuegen, K., Breitenbecher, K.H.: Walking and being outdoors in nature increase positive affect and energy. Ecopsychol. 10(1), 14–25 (2018)
Sharmin, T., Steemers, K., Humphreys, M.: Outdoor thermal comfort and summer PET range: a field study in tropical city Dhaka. Energy and Buildings 198, 149–159 (2019)
Karimi, A., et al.: Microclimatic analysis of outdoor thermal comfort of high-rise buildings with different configurations in Tehran: Insights from field surveys and thermal comfort indices. Build. Environ. 240 (2023)
Li, J., Liu, N.: The perception, optimization strategies and prospects of outdoor thermal comfort in China: a review. Build. Environ. 170, 106614 (2020)
de Freitas, C.R., Grigorieva, E.A.: A comparison and appraisal of a comprehensive range of human thermal climate indices. Int. J. Biometeorol. 61(3), 487–512 (2016). https://doi.org/10.1007/s00484-016-1228-6
Cheung, P.K., Jim, C.Y.: Determination and application of outdoor thermal benchmarks. Build. Environ. 123, 333–350 (2017)
Wei, D., et al.: Variations in outdoor thermal comfort in an urban park in the hot-summer and cold-winter region of China. Sustain. Cities Soc. 77 (2022)
He, X., et al.: Study on outdoor thermal comfort of factory areas during winter in hot summer and cold winter zone of China. Build. Environ. 228 (2023)
Zhang, H., et al., Spatial differences in thermal comfort in summer in coastal areas: a study on Dalian, China. Front. Pub. Health 10 (2022)
Gu, H., et al.: Research on outdoor thermal comfort of children’s activity space in high-density urban residential areas of chongqing in summer. Atmosphere 13(12) (2022)
Lian, Z., Liu, B., Brown, R.D.: Exploring the suitable assessment method and best performance of human energy budget models for outdoor thermal comfort in hot and humid climate area. Sustain. Cities Soc. 63, (2020)
Xiong, K., Yang, Z., He, B.-J.: Spatiotemporal heterogeneity of street thermal environments and development of an optimised method to improve field measurement accuracy. Urban Climate 42, 101121 (2022)
Xiong, K., He, B.J.: Wintertime outdoor thermal sensations and comfort in cold-humid environments of Chongqing China. Sustain. Cities Soc. 87,(2022)
Imam Syafii, N., et al.: Thermal environment assessment around bodies of water in urban canyons: a scale model study. Sustain. Cities Soc. 34, 79–89 (2017)
Li, J., et al.: Exploration of applicability of UTCI and thermally comfortable sun and wind conditions outdoors in a subtropical city of Hong Kong. Sustain. Cities and Soc. 52, (2020)
Thorsson, S., et al.: Different methods for estimating the mean radiant temperature in an outdoor urban setting. Int. J. Climatol. 27(14), 1983–1993 (2007)
Bröde, P., et al.: Deriving the operational procedure for the Universal Thermal Climate Index (UTCI). Int. J. Biometeorol. 56(3), 481–494 (2012)
Paxton, R.J., et al.: Associations of sociodemographic and community environmental variables to use of public parks and trails for physical activity. J. Inst. Health Educ. 43(4), 108–116 (2005)
Chen, H., et al., Effects of Acoustic Perception on Outdoor Thermal Comfort in Campus Open Spaces in China’s Cold Region. Buildings, 2022. 12(10)
Chen, L., et al.: Studies of thermal comfort and space use in an urban park square in cool and cold seasons in Shanghai. Build. Environ. 94, 644–653 (2015)
Matzarakis, A., Mayer, H.: Another kind of environmental stress: thermal stress. WHO Collaborating Centre for Air Quality Management and Air Pollution Control 18, 7–10 (1996)
Yahia, M.W., Johansson, E.: Evaluating the behaviour of different thermal indices by investigating various outdoor urban environments in the hot dry city of Damascus. Syria. Int. J. Biometeorol. 57(4), 615–630 (2013)
Zhang, L., et al.: Outdoor thermal comfort of urban park-A case study. Sustainability 12(5), 1961 (2020)