Article
Thermodynamics
Jiazhen He, Yehu Lu, Si Chen, Jia Lv
Summary: Thermal protective clothing can have a dual impact on human skin, both resisting heat transfer and causing thermal hazard through stored energy discharge. The size and position of the air gap in clothing affect the heat protective performance and thermal-hazardous performance.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Biology
Ronald Heus, Boris R. M. Kingma, Birgit M. A. van Berlo, Douwe Mol, Hein A. M. Daanen, Kalev Kuklane
Summary: Process operators play a crucial role in monitoring the petrochemical industry. They are often the first responders and take measures to mitigate the effects of process disruptions and incidents. Personal protective equipment is necessary as operators may be exposed to dangerous circumstances, such as high heat radiation levels during fires. This study investigated the protective clothing of operators by exposing professional firefighters to different heat radiation levels. The experiments showed that operators can be safely exposed to certain levels of heat radiation for a specific time period.
Article
Biophysics
Agnes Psikuta, Fawzy Sherif, Emel Mert, Sumit Mandal, Simon Annaheim
Summary: This study used 3D body scanning technology to investigate the differences in air layer distribution in firefighters' clothing in different postures, and found that body posture significantly affects the thermal performance of the clothing. Therefore, body posture should be considered in the evaluation of clothing protective performance, and improvements should be made based on the clothing properties in real-life exposure.
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY
(2023)
Article
Chemistry, Physical
Shouzhen Li, Xiaota Cheng, Guangting Han, Yang Si, Yitao Liu, Jianyong Yu, Bin Ding
Summary: Developing ceramic nanofibrous membranes for the thermal insulation layer of firefighting protective clothing is crucial. Previous membranes were brittle and lacked elastic and compressible properties. This study successfully fabricated elastic and compressible Al2O3/ZrO2/La2O3 nanofibrous membranes, which maintained excellent performance in a wide range of temperatures. These membranes have low thermal conductivity and high working temperatures, making them promising for thermal insulation in firefighting protective clothing.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Thermodynamics
Meng Deng, Agnes Psikuta, Yunyi Wang, Simon Annaheim, Rene M. Rossi
Summary: The study highlights the importance of realistic assumptions about the heterogeneous distribution of air gaps underneath firefighter clothing for accurate prediction of thermal protective performance. The research found that differences in heat transfer and skin burn injuries were greater between heterogeneous air gaps with contact folds and equivalent homogeneous air gaps compared to non-contact folds. Fold aspect ratios had a more prominent impact on heat transfer and skin burn times in the case of contact folds.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2021)
Article
Metallurgy & Metallurgical Engineering
Zhang Chuan-kun, Chen Ying, Liang Guo-jie, Wang Xin-bo, Zheng Xiao-hui, Ding Song-tao
Summary: Wearing chemical protective clothing can lead to severe heat strain, requiring the development of new materials to reduce the strain. Research shows that clothing thermal properties and activity intensity have a significant impact on physiological responses, especially in hot-humid environments.
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2021)
Article
Thermodynamics
Jingxian Xu, Agnes Psikuta, Jun Li, Yehu Lu
Summary: With the advantage of presenting physical phenomenon in a three-dimensional vision, computational fluid dynamics was used to simulate and reveal heat transfer in the air gap/layer between human body and clothing. The study found that the thermal plume, airflow through clothing openings, and pathway at armhole led to uneven distribution of heat transfer underneath clothing, even for clothing with homogeneous air layers. The results provide insight into heat transfer in the air gap and can contribute to improving the accuracy of analytical human-clothing-environment models in clothing thermal engineering.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Materials Science, Multidisciplinary
Hyun-Ah Kim
Summary: This study investigated the thermal wear comfort properties of ceramic-embedded composite fabrics for workwear clothing in the gas and oil industries. The results showed that ZnO/ATO composite fabric with ZrC particles exhibited superior thermal wear comfort and anti-static properties, suitable for protective clothing worn in cold weather regions.
Article
Public, Environmental & Occupational Health
Mohamed Zemzem, Stephane Halle, Ludwig Vinches
Summary: This study evaluated the thermal insulation properties and air permeability of three technical textile assemblies and determined the influence of environmental parameters on their insulation capacity. The results showed that wind speed had the most significant impact on thermal performance, while temperature and humidity had limited influence. The findings highlight the importance of considering wind speed in evaluating textile fabrics' protective abilities, a parameter not currently accounted for in ISO 11092.
SAFETY AND HEALTH AT WORK
(2023)
Article
Construction & Building Technology
Yin Tang, Hang Yu, Hai Ye, Kege Zhang, Faming Wang, Huice Mao, Zi Wang
Summary: Clothing plays a role in the heat exchange between the human body and the environment, with varying thermal resistance across different body parts. Current standards lack the ability to estimate local clothing insulation, making it challenging for field studies and human experiments. This study proposes a method to estimate local insulation values based on overall insulation and presents its application in determining the insulation of ensembles. By developing prediction models based on thermal manikin tests, reference local insulation values can be obtained. This research provides standardized local clothing insulation values that can be used in heat transfer analysis and local thermal comfort research.
BUILDING AND ENVIRONMENT
(2023)
Article
Thermodynamics
He Liu, Jia'ao Liu, You Tian, Xuehong Wu, Zengyao Li
Summary: Pure silica aerogel has high transmittance at high temperature, so ceramic fibers with a diameter comparable to the wavelength of incident thermal radiation are introduced to reduce the radiative thermal conductivity. Aligning the fibers perpendicular to the incident radiation is the most effective way to minimize the radiative thermal conductivity, and the optimal fiber diameter decreases with increasing temperature. There exists an optimal mass fraction of doped fibers to achieve the minimized thermal conductivity due to the trade-off relationship between the conductive and radiative thermal conductivities.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2023)
Article
Thermodynamics
He Liu, Jia'ao Liu, You Tian, Xuehong Wu, Zengyao Li
Summary: Silica aerogel is a promising material for thermal insulation applications due to its low thermal conductivity and density. To improve its performance, ceramic fibers are introduced into the pure silica aerogel. This study developed a theoretical model to investigate the thermal conductivity of fiber-reinforced aerogel composites at high temperature, considering the inclination angle, diameter, and mass fraction of the doped fibers.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2023)
Article
Materials Science, Multidisciplinary
Yuhang Liu, Donglin Wang, Jie Li
Summary: Polyimide (PI) aerogel/aramid fiber composite insulation materials were successfully prepared by using PI aerogel as the matrix material and aramid fiber as the reinforcement material. The study found that increasing the mass fraction of PI aerogel improved the mechanical properties, flexibility, and heat insulation properties of the composite material. Furthermore, the composite material offered enhanced thermal comfort in hot and humid environments.
FRONTIERS IN MATERIALS
(2023)
Article
Construction & Building Technology
Yin Tang, Zixiong Su, Hang Yu, Kege Zhang, Chaoen Li, Hai Ye
Summary: This study measured the local insulation of 57 typical garments and 62 ensembles with different layers, finding significant differences in local insulation values compared to overall insulation values, especially varying greatly between different body parts. A new method for estimating the overall insulation of ensembles was proposed based on prediction equations of local insulation, resulting in a reduction of mean relative error from 12.6% to 3.4% compared to traditional linear regression equations. This study provides basic data and prediction equations for future research on clothing insulation and local thermal comfort.
BUILDING AND ENVIRONMENT
(2022)
Article
Construction & Building Technology
Shan Gao, Ryozo Ooka, Wonseok Oh
Summary: Development of multi-node thermoregulation models with local clothing insulation as an input parameter enables distinguishing spatial and temporal changes in the thermal environment. However, research on local clothing insulation lags compared with multi-node thermoregulation models, affecting prediction accuracy. This study determined overall and local intrinsic clothing insulation values using different methods and found that methods and posture affect both overall and local intrinsic clothing insulation.
BUILDING AND ENVIRONMENT
(2023)
Article
Engineering, Industrial
Jie Yang, Wenguo Weng, Ming Fu
APPLIED ERGONOMICS
(2015)
Article
Materials Science, Textiles
Ming Fu, Wenguo Weng, Hongyong Yuan
INTERNATIONAL JOURNAL OF CLOTHING SCIENCE AND TECHNOLOGY
(2015)
Article
Thermodynamics
M. Fu, M. Q. Yuan, W. G. Weng
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2015)
Article
Construction & Building Technology
Ming Fu, Tiefeng Yu, Hui Zhang, Edward Arens, Wenguo Weng, Hongyong Yuan
BUILDING AND ENVIRONMENT
(2014)
Article
Thermodynamics
N. Luo, W. G. Weng, M. Fu, J. Yang, Z. Y. Han
EXPERIMENTAL THERMAL AND FLUID SCIENCE
(2014)
Article
Materials Science, Multidisciplinary
Ming Fu, Wenguo Weng, Hongyong Yuan
FIRE AND MATERIALS
(2016)
Article
Construction & Building Technology
Z. Y. Han, W. G. Weng, Q. Y. Huang, M. Fu, J. Yang, N. Luo
INDOOR AND BUILT ENVIRONMENT
(2015)
Article
Thermodynamics
W. G. Weng, X. F. Han, M. Fu
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2014)
Article
Engineering, Environmental
M. Fu, W. G. Weng, H. Y. Yuan
JOURNAL OF HAZARDOUS MATERIALS
(2014)
Article
Thermodynamics
Ming Fu, Wenguo Weng, Hongyong Yuan
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
(2014)
Article
Materials Science, Textiles
Ming Fu, Wenguo Weng, Hongyong Yuan
TEXTILE RESEARCH JOURNAL
(2014)
Article
Materials Science, Textiles
Weiwang Chen, Ming Fu, Wenguo Weng
TEXTILE RESEARCH JOURNAL
(2020)
Article
Materials Science, Textiles
Chang Xu, Shifei Shen, Ming Fu, Yayun Li
INTERNATIONAL JOURNAL OF CLOTHING SCIENCE AND TECHNOLOGY
(2020)
Proceedings Paper
Engineering, Civil
Ming Fu, Wenguo Weng, Xuefeng Han
9TH ASIA-OCEANIA SYMPOSIUM ON FIRE SCIENCE AND TECHNOLOGY
(2013)
