Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (06): 44-49.doi: 10.13475/j.fzxb.20180702306

• Textile Engineering • Previous Articles     Next Articles

Influence of wash load type of drum washer on textile motion and washing performance

LIU Hong1,2,3, DING Xuemei1,2,3(), WU Xiongying4   

  1. 1. Fashion & Art Design Institute, Donghua University, Shanghai 200051, China
    2. Shanghai International Institute of Design & Innovation, Tongji University, Shanghai 200080
    3. Key Laboratory of Clothing Design & Technology (Donghua University), Ministry of Education, Shanghai 200051, China
    4. Shanghai Customs District P.R.China, Shanghai 200135, China
  • Received:2018-07-10 Revised:2019-03-11 Online:2019-06-15 Published:2019-06-25
  • Contact: DING Xuemei E-mail:fddingxm@dhu.edu.cn

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Abstract:

In order to understand the influence of wash load types on textile motion pattern and washing performance, a high-speed camera was used to record the outline of fabric in the front-loading washer (Haier WH7560P2). The recorded image of the textile was converted into binary image to calculate the textile centroid. According to the trace of textile motion, 8 movement indexes were put forward to characterize the textile motion, and the relationship between movement indexes and washing efficiency was established, which is applicable for the model of Haier WH7560P2. Single experiment design was used to study the relationship between three kinds of wash load and textile motion during washing. The results indicate that textile motion varies with the wash load types. The ratio of passive motion region of cotton wash load is the largest with value of 62% as well as the washing efficiency and rate of fray (44% and 25% respectively). The ratio of passive region, washing efficiency and fray rate of polyester wash load is the least with value of 41%, 39% and 6.6% respectively. Sliding and falling of textile change alternatively in washing period which could improve washing performance.

Key words: drum washer, wash load, textile motion, regression analysis, washing performance

CLC Number: 

  • TS973.1

Fig.1

Textile centroid motion path. (a) Textile (b)x and y co-ordinates"

Fig.2

Force analysis of textile motion. (a)Force analysis when textiles at bottom of inner drum; (b) Force analysis when textiles at top of inner drum"

Tab.1

Facilities and standard materials"

设备/标准布 型号 应用 厂家
全自动滚
筒洗衣机		 WH7560P2 洗涤 青岛海尔滚筒洗衣机有限公司
白度计 WSB-3 测试污染布洗涤前后反射率 温州大荣纺织仪器有限公司
织物运动追
踪系统		 - 记录织物运动 -
标准磨损布 EMPA 304 机械力 上海标准研究所
炭黑污染布 WFK 16053 洗净率 WFK Testgewebe
GmbH

Tab.2

Materials' properties"

纤维成分 结构 湿态柔
软度		 湿态表面
摩擦性		 厚度/
mm		 面密度/
(g·m-2)
100%涤纶 平纹 58.56 49.28 0.15 69
涤/棉混纺 平纹 49.55 54.96 0.20 115
100%棉 平纹 35.06 63.64 0.52 185

Fig.3

Eulerain velocity distribution. (a) Polyester;(b) Blend of polyester and cotton;(c) Cotton"

Fig.4

Lagrangian velocity distribution. a) Polyester;(b) Blend of polyester and cotton;(c) Cotton"

Fig.5

Residual time distribution. (a) Polyester;(b) Blend of polyester and cotton;(c) Cotton"

Tab.3

Textile movement index and washing efficiency"

织物
种类		 运动指数 洗涤效果
质心平均速
度/(m·s-1)		 被动运动面
积占比/%		 运动区域总
面积占比/%		 质心到内筒
筒心平均
距离/m		 质心运动
距离/m		 质心交换
频率/Hz		 预估摔落次
数/(次·min-1)		 洗净率/% 磨损率/%
涤纶 0.44 0.41 0.49 0.11 29.93 0.44 50 39 6.60
涤/棉 0.41 0.54 0.59 0.10 34.60 0.50 58 41 14.60
棉 0.41 0.62 0.47 0.10 30.90 0.70 53 44 24.50
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