Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (07): 144-150.doi: 10.13475/j.fzxb.20201003607

• Apparel Engineering • Previous Articles     Next Articles

Relationship between thermal-moist comfort of medical protective clothing and human fatigue

NIU Mengyu1, PAN Shuwen1,2(), DAI Hongqin1,2, LÜ Kaimin1   

  1. 1. College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215021, China
    2. Modern Silk National Engineering Laboratory, Soochow University, Suzhou, Jiangsu 215021, China
  • Received:2020-10-20 Revised:2021-04-10 Online:2021-07-15 Published:2021-07-22
  • Contact: PAN Shuwen E-mail:panshuwen@suda.edu.cn

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Abstract:

It has been a noted problem that medical staff wearing medical protective clothing for a long time would feel hot and humid, leading to fatigue and low work efficiency. A research based on human wearing experiment is carried out. Through the analysis of human thermal physiology and subjective fatigue parameters, the influence of the thermal-moist comfort performance of medical protective clothing on human fatigue was analyzed. The results show that the thermal-moist comfort of protective clothing with short sleeves is the best, and that with long sleeve and thick suit was the worst.Wearing protective clothing with different thermal-moist comfort performance has different effects on human fatigue under different exercise intensity. Wearing protective clothing in the state of sitting, the difference of human fatigue degree is small. Under the conditions of low, medium and high exercise intensity and recovery, it was shown that the worse the thermal-moist comfort of protective clothing, the deeper the fatigue degree of human body. The average skin temperature, heart rate and metabolic equivalent of energy were found to be significantly correlated with subjective fatigue. Regression analysis was used to get the model of fatigue and heart beat rate, which reflects the fatigue degree of human body.

Key words: medical protective clothing, thermal-moist comfort, metabolism, mean skin temperature, fatigue

CLC Number: 

  • TS941

Fig.1

Clothing combination"

Tab.1

Clothing parameters"

服装
组合 		材质 号型 质量/kg 热阻/clo 湿阻/
(m2·Pa·W-1)
TA Tyvek®+棉 180/106A 0.44±0.00 1.43±0.04 75.31±0.34
TB 180/106A 0.61±0.01 1.70±0.06 80.06±0.82
TC 180/105A 1.13±0.01 2.01±0.04 80.84±0.73

Fig.2

Newton sweating manikin"

Fig.3

Test scheme"

Tab.2

Human parameters collected in experiment"

分类 参数 测试仪器
生理参数 人体皮肤温度 温湿度传感器
能量代谢当量 Meta Max 3B 仪器
心率 心率胸带(Polar H10)
汗液蒸发量 电子称重仪(ICS439-SW)
主观感觉参数 冷热感觉
湿感觉
舒适感
疲劳感 		—

Fig.4

Subjective evaluation scale. (a) Hot and cold feeling;(b) Wet feeling; (c) Comfort feeling; (d) Fatigue feeling"

Fig.5

Measurement points of average skin temperature"

Fig.6

Mean skin temperature"

Fig.7

Metabolic equivalent of energy"

Fig.8

Heart rate"

Fig.9

Subjective evaluation value of hot and cold feeling"

Fig.10

Subjective evaluation value of wet feeling"

Fig.11

Subjective evaluation value of comfort feeling"

Fig.12

Subjective evaluation value of fatigue feeling"

Fig.13

Proportion of people with subjective fatigue level in different stages"

Tab.3

Pearson correlation analysis"

指标 参数 疲劳感 冷热感觉 湿感觉 舒适感
Tsk r 0.518** 0.605** 0.691** -0.701**
Sig. 0.000 0.000 0.000 0.000
HR r 0.929** 0.916** 0.850** 0.850**
Sig. 0.000 0.000 0.000 0.000
能量代谢
当量 		r 0.862** 0.814** 0.902** -0.657**
Sig. 0.000 0.000 0.000 0.000
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