Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/14099
Title: Optimizing thermal comfort in physical exercise spaces: A study of spatial and thermal factors
Authors: Avcı, Ali Berkay
Balcı, Görkem Aybars
Başaran, Tahsin
Keywords: Fitness centers
CFD
Orthogonal arrays
Physical exercise
Thermal comfort
Publisher: Elsevier
Source: Avci AB, Balci GA, Basaran T (2024) Optimizing thermal comfort in physical exercise spaces: A study of spatial and thermal factors. Energy Build 303:113782. https://doi.org/10.1016/j.enbuild.2023.113782
Abstract: Fitness centers have become famous for maintaining a healthy lifestyle. They require different thermal comfort conditions and higher fresh air supply rates than other indoor spaces. However, even well-designed centers may cause discomfort due to factors such as design decisions, ventilation, overheating, and overcrowding. The standards for fitness centers do not consider these specific requirements sufficiently, so this study focuses on understanding the thermal comfort requirements during physical exercise and evaluating spatial and thermal factors affecting the thermal environment around the body. The study investigated the ceiling height, lateral and frontal distances between machines, and vent locations as spatial factors and inlet temperature and air velocity as thermal factors. A thirty-minute moderate-intensity constant work rate exercise test was conducted in a controlled climatic chamber using a cycle ergometer with six healthy male participants. The experiment conditions were simulated in CFD software using the collected data. Once a validated simulation model was provided, computational models for different environmental and spatial scenarios for the five-person cycling class were generated. Using Taguchi L9 (34) orthogonal arrays method, nine spatial scenarios were simulated with three different thermal operations each. Optimal factor levels were determined by using thermal comfort conditions (based on predicted mean vote) around the body's thermal plume. The results showed that a ceiling height of 5 m, lateral and frontal distances of 1 m and 0.5 m between machines, and Type 2 (two inlets mounted on the ceiling) ventilation strategy were optimal for achieving better thermal comfort values in a thermal condition of 18 °C and 0.2 m·s−1. The study found that increasing the ceiling height and using cross-positioned vents that project air vertically from the ceiling improved the comfort conditions significantly. It is expected that these criteria, which were determined, compared with the standards and detailed, will contribute to the production processes of comfortable exercise spaces.
URI: https://hdl.handle.net/11147/14099
https://doi.org/10.1016/j.enbuild.2023.113782
ISSN: 0378-7788
Appears in Collections:Architecture / Mimarlık
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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