Search results

1 – 4 of 4
Per page
102050
Citations:
Loading...
Access Restricted. View access options
Article
Publication date: 6 December 2021

Soyoung Kim, Kyunghi Hong and Heeran Lee

This study aims to provide information on how to monitor the temperature setting of a heating device in order to implement a heating unit successfully in the smart clothing by…

121

Abstract

Purpose

This study aims to provide information on how to monitor the temperature setting of a heating device in order to implement a heating unit successfully in the smart clothing by observing voluntary heating behavior of wearers.

Design/methodology/approach

Subjects wearing base layers and additional clothing were asked to turn on and off the switch when wanted in the cold environmental chamber. Tolerable range of skin temperature (TST) depending on the location of body was obtained by observing the temperature at the time when the heating device was turned on and off during a rest–running–rest protocol.

Findings

The TST was 32.8–49.4 °C and decreased to 31.3–37.6 °C around abdomen and back waist, respectively. Changes in the wearers' voluntary control behavior were observed depending on the individual's level of cold-sensitivity and activity level of rest and running. TST was 35.8–49.4 °C (Rest 1: rest before exercise), 40.0–42.0 °C (Running) and 35.3–43.2 °C (Rest 2: rest after exercise) for cold-sensitive group, whereas it was 32.8–36.2 °C (Running) and 34.4–45.7 °C (Rest 2: rest after exercise) for cold-insensitive group.

Originality/value

In this study, results with detailed body locations and wearer's thermal sensitivity provide practical references for the implementation of a heating device to the comfortable multilayered smart clothing.

Details

International Journal of Clothing Science and Technology, vol. 33 no. 6
Type: Research Article
ISSN: 0955-6222

Keywords

Access Restricted. View access options
Article
Publication date: 18 April 2017

Heeran Lee, Kyunghi Hong and Yejin Lee

The seams of slim fit outdoor pants can be uncomfortable or even restrict body movement. To reduce discomfort, the authors need to determine optimal cutting lines in various…

577

Abstract

Purpose

The seams of slim fit outdoor pants can be uncomfortable or even restrict body movement. To reduce discomfort, the authors need to determine optimal cutting lines in various designs that do not interfere with body movement. The purpose of this paper is to apply skin deformation mapping during movement to the ergonomic design of outdoor pants, focusing in particular on the 2D pattern generation of the crotch area in a 3D shape during movement.

Design/methodology/approach

A 3D shape and skin length deformation of the lower body were observed, including the crotch area, which is difficult to examine on the human body. To design ergonomic and streamlined outdoor pants, the authors selected seam lines where the changes in skin deformation are at their minimum based on the skin deformation mapping. In addition, the inseam along the medial thigh close to the crotch was removed to adjust the skin length of these areas, thereby increasing the extensible area of fabric necessary to adjust to a skin deformation. After selecting the seam lines, each of the 3D pattern blocks was generated by means of a 2D flattening method. In addition, the stress distribution of overlapped replica blocks along the crotch line during the 2D flattening process is a main independent factor to avoid deteriorating lower body movement as well as a good appearance.

Findings

Based on the results of skin deformation mapping of a human subject, this study suggested that it is best that the design line crosses where there is no skin deformation possible. And the pants were developed without the inner seam line at the upper medial thigh because of skin deformation of a large range of ±6 percent in the upper medial thigh during a 90° knee flexion or in the squatting down position. In a wear test, the developed 3D pattern without an inseam was rated higher than that with an inseam. This verified that removing the inseam, to prevent skin deformation of the medial upper thigh during knee flexion and squatting, is a logical decision. Regarding the correction of the overlapping area during arrangement of the replica, the appearance of the front of the pants was improved when 80 percent of the overlapping area was distributed near the point of the error source, which is the front of the male’s crotch line.

Originality/value

In this study, the crotch area, which has been difficult to observe in previous studies, were observed thoroughly and it was found that the length of the crotch curve did not increase during movement. In addition, skin deformation was mapped during a 90° knee flexion or in the squatting down position. It is expected that the overall process of developing 3D streamlined outdoor pants from 3D skin deformation mapping can be expanded to the development of patterns for other customized functional pants.

Details

International Journal of Clothing Science and Technology, vol. 29 no. 2
Type: Research Article
ISSN: 0955-6222

Keywords

Access Restricted. View access options
Article
Publication date: 5 September 2018

Heeran Lee and Kyung Hwa Hong

The purpose of this paper is to investigate how the center of pressure (COP) changes depending on the type and wearing method of baby carriers, which is fundamental research for…

234

Abstract

Purpose

The purpose of this paper is to investigate how the center of pressure (COP) changes depending on the type and wearing method of baby carriers, which is fundamental research for the development of smart baby carriers. In addition, the most comfortable and least burdensome type and method of wearing baby carriers is suggested.

Design/methodology/approach

The COP and muscle fatigue were measured depending on the three types and wearing method of baby carriers. And then, the subjective stability, comfort, and fatigue were analyzed.

Findings

The results of this study show that horizontal changes to the COP are greater and when baby carriers are worn loosely, subjective comfort is worse. Furthermore, when the shoulder straps are worn loosely, the center of mass moves downwards, lowering the muscle fatigue of the shoulders, but greatly raising the muscle fatigue of the waist and thighs. Comparison of the shapes of baby carriers showed that X-type produced greater muscle fatigue in the shoulders, waist, and thighs, as well as greater subjective fatigue in the shoulders. However, subjective fatigue in the waist decreases when baby carriers without waist support are worn.

Originality/value

It is expected that changes in COP values based on the type and method of wearing baby carriers will be applied as fundamental data for the development of automatic-adjusting smart baby carriers that prevent muscular pain and concentrated pressure.

Details

International Journal of Clothing Science and Technology, vol. 30 no. 5
Type: Research Article
ISSN: 0955-6222

Keywords

Available. Content available
Article
Publication date: 10 December 2021

George K. Stylios

466

Abstract

Details

International Journal of Clothing Science and Technology, vol. 33 no. 6
Type: Research Article
ISSN: 0955-6222

1 – 4 of 4
Per page
102050