Analysis of Thermal Comfort of Clothing with Different Textile Material through Thermal Simulation

Awais, Muhammad; Wendt, Ellen; Krzywinski, Sybille

doi:10.15221/19.127

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…Similar to previous studies, the maximum temperature values of the upper back body garment surface were higher than those of the upper front body garment surface in almost all garments (Table 3). 40 The highest maximum values were measured in the cotton/polyester garment (CPS) during the first 30 min of activity. It was observed that sweating started in 20 minute period of time in the upper back body part as well as on the upper front body garment surface from the appearance of black colour from the histogram graphics.…”

Section: Temperature Sensor Skin Temperature and Thermal Camera Garme...mentioning

confidence: 99%

Investigation of the thermal comfort of the sportswear by standing thermal manikin and thermal imaging techniques

TASTAN

Kaplangiray

Şekir

et al. 2023

Journal of Engineered Fibers and Fabrics

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Garments should not overload the body during activity and should be chosen in accordance with the ambient conditions. Especially in active sports, sportswear should make a person feel comfortable and increase performance by easily removing excess heat and moisture from the body without interrupting physical activity. In this study, five T-shirts with the same size and weight characteristics, but in different yarn types were produced and analysed. The thermal and water vapour resistance properties of these garments were measured using a thermal manikin system. In addition, thermal camera images were taken at 10-minute intervals during the 50-minute wear trial programme, and skin temperatures were measured from the upper front body and the upper back body with two sensors. The results showed that POS and PM-coded garments made of polyester with low clothing insulation (clo) values were statistically different from CS and CPS coded cotton-containing garments in terms of front and back surface thermal camera images. It was observed that cotton-containing garments were more uncomfortable than polyester and Tencel owing to their higher thermal resistance, garment surface temperature, and skin temperature values. The Tencel garment was measured similarly to the CS and CPS coded garments at the beginning of the activity and measured similarly to the POS and PM coded garments at the end of the activity on both surfaces.

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Section: Temperature Sensor Skin Temperature and Thermal Camera Garme...mentioning

confidence: 99%

Investigation of the thermal comfort of the sportswear by standing thermal manikin and thermal imaging techniques

TASTAN

Kaplangiray

Şekir

et al. 2023

Journal of Engineered Fibers and Fabrics

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“…The human body continuously produces heat due to its metabolism. The metabolism rate depends upon the activity level of the human [7].…”

Section: Clothing Thermal Comfortmentioning

confidence: 99%

Virtualization of Clothing Thermal Comfort in 3D Simulations

Güney¹

2021

European Journal of Science and Technology

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Virtual simulations have become a part of design and marketing from personal use to professional designs and provide virtual realism to a great extent. With rapidly developing technology, nowadays it has attracted much more attentions especially in textile processes. The 3D virtual garment simulation provides the textile producers and fashion designers with benefits in terms of product development, customization of garments and speed to market. While most of the software focuses just on visual design, some major software manufacturers (Lectra, Optitex, Gerber, etc.) try to develop programs to accurately simulate fabric behavior as well as visual modeling. When the literature studies are examined, it is seen that the simulations in which the fabric mechanical and physical properties are defined, provide virtual realism to a large extent. But this is just regarding to the ergonomic comfort of the garment and virtually no garment simulations exist for the realistic prediction of thermal comfort. The estimation of clothing thermal comfort is very helpful for designing garments, especially sports and works garments where thermal comfort plays an crucial role for the status of the wearer. To make a method to realistic solution to virtualize the thermal comfort of clothing: virtual body properties, garment design, clothing drapability, thermal characteristics of fabric and the thermoregulation of the human body according to different conditions should be considered all together.

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“…Thermophysiological models are used in many fields. In biometeorology, they were used to develop a universal climate index (UTCI) [6] to analyze and evaluate human thermal response under different clothing thermal resistance [24,25]. By combining thermophysiological models with thermal human models, a thermophysiological human simulator for clothing comfort analysis was developed [26].…”

Section: Introductionmentioning

confidence: 99%

Research on the Heating Effect of a Convection Radiator Based on a Human Thermophysiological Model

Liu,

Xu,

Zhang

et al. 2024

Buildings

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Forced convection is the most effective way to improve the thermal efficiency of a radiator under low-temperature conditions. This technical method differs significantly from the heating effects of general radiation and natural convection. Few studies have applied the objective evaluation method based on quantitative calculation to evaluate the effectiveness of indoor heating or optimize the technical parameters (air flow rate, air supply method, etc.) of heating systems. This article couples human metabolic factors with heating environmental factors and uses a 57-node human thermal physiological model to evaluate the effectiveness of forced convection radiator heating from the perspective of the local thermal comfort of the human body and demonstrates the feasibility of this scheme by comparing it with floor radiation heating. The research shows that the air supply speed of a radiator affects human thermal comfort. Continuing to increase the wind speed, at a speed of 3 m/s, the surface temperature of the human body reaches a high value and will then decrease, leading to a decrease in thermal comfort. Research on indoor air distribution shows that the use of bottom-side air supply provides better thermal comfort compared to top air supply. The local skin temperature distribution of the human body indicates that when the indoor average temperature is higher than 20 °C, the overall thermal comfort of convective radiator heating and floor radiant heating is comparable. The article provides a way of objectively calculating and directly quantifying the effect of heating equipment on human thermal physiological parameters.

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Analysis of Thermal Comfort of Clothing with Different Textile Material through Thermal Simulation

Cited by 5 publications

References 2 publications

Investigation of the thermal comfort of the sportswear by standing thermal manikin and thermal imaging techniques

Investigation of the thermal comfort of the sportswear by standing thermal manikin and thermal imaging techniques

Virtualization of Clothing Thermal Comfort in 3D Simulations

Research on the Heating Effect of a Convection Radiator Based on a Human Thermophysiological Model

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