Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (04): 133-139.doi: 10.13475/j.fzxb.20210500907

• Apparel Engineering • Previous Articles     Next Articles

Quantitative study of air layer under multi-opening air ventilation clothing

QIAN Jing, ZHAO Mengmeng(), DANG Tianhua   

  1. College of Textiles and Fashion, Shanghai University of Engineering Science, Shanghai 201620, China
  • Received:2021-05-06 Revised:2022-01-24 Online:2022-04-15 Published:2022-04-20
  • Contact: ZHAO Mengmeng E-mail:mengmengzhao@sues.edu.cn

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Abstract:

In order to study the influence of clothing with different opening position and wind speeds on the volume, thickness and distribution of air layer under an air ventilation clothing, three-dimensional scanning method was adopted to obtain geometric models of human body and clothing. The model was then processed by reverse engineering software, Geomagic Control, to analyze the difference in thickness and volume of air layer and obtain the distribution regularities of air layer under different conditions. The results show that the influence of wind speed on the average air layer thickness is more obvious than that of the opening mode. The wind speeds of the fans have a significant effect on the overall and local air layer thickness. The higher is the wind speed, the thicker is the air layer in body part, and more evenly distributed is the air layer. From the two-dimensional comparison of the air layer in the chest and waist areas, it can be seen that the thickness of the air layer in the chest does not change significantly with the changes of the wind speed and the opening, while the air layer in the waist is affected significantly.

Key words: air ventilation clothing, three-dimensional scanning method, reverse engineering software, distribution regularity, air layer thickness

CLC Number: 

  • TS941.731

Fig.1

Picture of clothing style and opening pattern. (a) Style A; (b) Style B; (c) Style C; (d) Style D; (e) Style E"

Fig.2

Bok human body three-dimensional data acquisition system"

Tab.1

Design list of scanning tests"

实验编号 服装款式 风扇风速/(m·s-1) 风扇状态
T1 A 5.0 高速
T2 A 3.8 低速
T3 A 0.0 关闭
T4 B 5.0 高速
T5 B 3.8 低速
T6 B 0.0 关闭
T7 C 5.0 高速
T8 C 3.8 低速
T9 C 0.0 关闭
T10 D 5.0 高速
T11 D 3.8 低速
T12 D 0.0 关闭
T13 E 5.0 高速
T14 E 3.8 低速
T15 E 0.0 关闭

Fig.3

Process of fitting air layer model"

Fig.4

Comparison of air layer on side of garment with fan off (a) and on (b)"

Fig.5

Average air gap thickness under different wind speed and opening area conditions"

Tab.2

Influence of wind speed and opening area on microclimate"

衣下空间 相关系数 标准误差 F 显著性(p)
风速 开口面积 风速 开口面积 风速 开口面积 风速 开口面积
平均空气层体积 0.869** -0.044 0.415 4.337 94.096 1.490 0.000 0.292
平均空气层厚度 0.832** -0.120 0.377 3.748 45.854 0.628 0.000 0.656
腰部平均空气厚度 0.850** -0.109 0.572 5.657 96.520 1.480 0.000 0.295
胸部平均空气厚度 0.907** 0.142 0.331 6.473 43.156 0.830 0.000 0.542

Fig.6

Distribution of air layer thickness on torso part in different ventilation garments in front and back view. (a) Front of style A; (b) Back of style A; (c) Front of style B; (d) Back of style B; (e) Front of style C; (f) Back of style C; (g) Front of style D; (h) Back of style D; (i) Front of style E; (j) Back of style E"

Fig.7

Air gap distribution maps at waist and chest level in different style ventilation garments. (a) Waist of style A; (b) Chest of style A; (c) Waist of style B; (d) Chest of style B; (e) Waist of style C; (f) Chest of style C; (g) Waist of style D; (h) Chest of style D; (i) Waist of style E; (j) Chest of style E"

Fig.8

Average of air gap at waist and chest level"

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