Affiliation:
1. College of Engineering Al-Qunfudhah, Industrial Engineering Department, Umm Al-Qura University, Kingdom of Saudi Arabia
2. Laboratory of Thermal and Energetic System Study (LESTE), National Engineering School of Monastir, University of Monastir, Tunisia
Abstract
Thermo-physiological comfort refers to the heat and moisture transport properties of clothing and how the clothing helps maintain the body's heat balance during various activities. To maintain the thermoregulation of the body, the resulting sweating should be absorbed by wicking fabrics close to the skin and evaporated to the ambient air. In this study, a mathematical model was developed considering evaporation during the capillary rise, based on the geometric configuration of a jersey-knitted fabric and taking evaporation into account. This model was used to calculate the evaporation coefficient. Based on the activities of the worker, sweat diffusion is controlled by capillary diffusion and moisture evaporation. The effect of air velocities of 0 m/s, 1 m/s, and 2 m/s, representing non-walking, walking, and running activities of a worker, respectively, was studied during capillary diffusion. The experiments were conducted at different relative humidities. The results show that the evaporation coefficient depends on the worker’s activities and the relative humidity ratio.
Funder
The authors would like to thank the Deanship of Scientific Research at Umm-Al-Qura University for supporting this work by grant code
Subject
Polymers and Plastics,Chemical Engineering (miscellaneous)
Cited by
1 articles.
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