Exercise and resting periods: Thermal comfort dynamics in gym environments

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dc.authoridAVCI, Ali Berkay/0000-0001-8291-4567
dc.contributor.authorAvci, Ali Berkay
dc.contributor.authorBalci, Goerkem Aybars
dc.contributor.authorBasaran, Tahsin
dc.date.accessioned2024-08-31T07:50:02Z
dc.date.available2024-08-31T07:50:02Z
dc.date.issued2024
dc.departmentEge Üniversitesien_US
dc.description.abstractPhysical exercise spaces emerged as popular facilities due to recognizing the significance of physical well-being. This study investigates the relationship among physiological responses, human body energy transfer modes, and indoor environmental conditions in influencing thermal comfort perception within indoor physical exercise space. Seven male participants engaged in a 30 min constant-work-rate cycling exercise and a 20 min resting period in a climatic chamber. The physiological and environmental responses were recorded during the experiments, and the body's energy transfer modes were calculated using the collected data. The dataset was prepared using the 2 min averages of the collected data and calculated parameters across the experiment phases, including the features of skin temperature, core temperature, skin relative humidity, heart rate, oxygen consumption, body's heat transfer rates through convection, radiation, evaporation, and respiration, net metabolic heat production rate (metabolic rate minus external work rate), indoor air temperature, indoor relative humidity, air velocity, and radiant temperature. Gradient boosting regressor (GBR) was selected as the analyzing method to estimate predicted mean vote (PMV) and thermal sensation vote (TSV) indices during exercise and resting periods using features determined in the study. Thus, the four GBR models were defined as PMV-Exercise, PMV-Resting, TSV-Exercise, and TSV-Resting. In order to optimize the models' performances, the hyperparameter tuning process was executed using the GridSearchCV method. A permutation feature importance analysis was performed, emphasizing the significance of net metabolic heat production rate (24.2%), radiant temperature (17.0%), and evaporative heat transfer rate (13.1%). According to the results, PMV-Exercise, PMV-Resting, and TSV-Resting GBR models performed better, while TSV-Exercise faced challenges in predicting exercise thermal sensations. Critically, this study addresses the need to understanding the interrelationship among physiological responses, environmental conditions, and human body energy transfer modes during both exercise and resting periods to optimize thermal comfort within indoor exercise spaces. The results of this study contribute to the operation of indoor gym environments to refine their indoor environmental parameters to optimize users' thermal comfort and well-being. The study is limited to a small sample size consisting solely of male participants, which may restrict the generalizability of the findings. Future research could explore personalized thermal comfort control systems and synergies between comfort optimization and energy efficiency in indoor exercise spaces.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkiye (TUBIdot;TAK) Foundation [122M883]; Scientific and Technological Research Council of Turkiye (TUBIdot;TAK)en_US
dc.description.sponsorshipThis work was supported by the Scientific and Technological Research Council of Turkiye (TUB & Idot;TAK) Foundation under grant number 122M883Open access funding provided by the Scientific and Technological Research Council of Turkiye (TUB & Idot;TAK).en_US
dc.identifier.doi10.1007/s12273-024-1142-5
dc.identifier.issn1996-3599
dc.identifier.issn1996-8744
dc.identifier.scopus2-s2.0-85200394339en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1007/s12273-024-1142-5
dc.identifier.urihttps://hdl.handle.net/11454/105094
dc.identifier.wosWOS:001282983600001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTsinghua Univ Pressen_US
dc.relation.ispartofBuilding Simulationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240831_Uen_US
dc.subjectPhysical Exerciseen_US
dc.subjectGradient Boostingen_US
dc.subjectThermoregulationen_US
dc.subjectFitnessen_US
dc.subjectThermal Comforten_US
dc.titleExercise and resting periods: Thermal comfort dynamics in gym environmentsen_US
dc.typeArticleen_US

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