The effect of humidity and temperature on Wool Comfort Meter assessment of single jersey wool fabrics

Naebe, Maryam, Yu, Yao, McGregor, Bruce A., Tester, David and Wang, Xungai 2013, The effect of humidity and temperature on Wool Comfort Meter assessment of single jersey wool fabrics, Textile research journal, vol. 83, no. 1, pp. 83-89.

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Title The effect of humidity and temperature on Wool Comfort Meter assessment of single jersey wool fabrics
Author(s) Naebe, Maryam
Yu, Yao
McGregor, Bruce A.
Tester, David
Wang, Xungai
Journal name Textile research journal
Volume number 83
Issue number 1
Start page 83
End page 89
Total pages 7
Publisher Sage Publications
Place of publication London, England
Publication date 2013
ISSN 0040-5175
1746-7748
Keyword(s) next to skin comfort
prickle
wool
humidity
temperature
Young’s modulus
fibre diameter
regain
Summary The Wool ComfortMeter provides an objective measurement of the fabric-evoked prickle discomfort rating provided by wearers. This work aimed to quantify the sensitivity of the Wool ComfortMeter over a range of different temperature and humidity conditions to determine the recommended test conditions for its operation. The design was: three temperatures (notionally 20, 25 and 30°C) at three relative humidities (RHs, notionally 50, 65 and 80%) each with two replicates, using six different wool single jersey knits (mean fibre diameter 19.5–27.0 µm). As it was difficult to achieve exactly some of the extreme combinations of temperature and RH, some combinations were repeated, providing a total of 23 different assessment conditions. Data were analysed using restricted maximum likelihood mixed model analysis. The best fixed model included RH, RH2, temperature and the interaction of temperature and RH, accounting for 95% of the variation in Wool ComfortMeter readings. Wool ComfortMeter values were almost constant at 55–60% RH. Generally, the Wool ComfortMeter value reduced with increasing RH > 60% at temperatures of 25°C and 28.5°C as the regain of the fabric increased. However, at 20°C little change was detected as RH was increased from 50 to 80% as there were only small changes in fabric regain. The observed effects were in a good agreement with existing knowledge on the effect of regain on the mechanical properties of wool fibre. Wool ComfortMeter is best operated under standard conditions for textile testing of 65% RH and 20°C.
Language eng
Field of Research 091012 Textile Technology
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044971

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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Created: Tue, 01 May 2012, 16:13:01 EST by Christine Rimmer

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