EVALUATING THE EFFECT OF WATER-REPELLENT FINISHING ON THERMAL INSULATION PROPERTIES OF ROWING SHIRTS USING A THERMAL MANIKIN

Year 2019, Volume: 29 Issue: 4, 279 - 288, 31.12.2019

Derya Tama , André Catarino , Maria José Abreu

https://doi.org/10.32710/tekstilvekonfeksiyon.467276

Cited By: 2

Abstract

The activity of rowing is majorly performed outside,
namely on rivers or lakes, and the probability of getting the t-shirt wet due
to splash or rain is high. Since nowadays, one of the problems of rivers and
lakes is contaminated water, protecting the rower from that contaminated water
in order to prevent skin problems is one of the goals of manufacturers. Thus,
the necessity of using a water repellent finishing (WRF) treatment on the
rowing clothing may be of importance if health is an issue, although it can
also change comfort parameters such as thermal behaviour. In order to evaluate
the impact of water repellent finishing on the thermal insulation, several
rowing shirts made with different structures and raw material were tested and
compared by means of a thermal manikin, before and after finishing. The shirts
were treated with a 5% of a fluorocarbon-based product water repellent
finishing. The heat loss values of rowing shirts were measured by using a
thermal manikin and the effective clothing insulation values were calculated. Moreover,
the effect of garment design on thermal insulation was investigated by
comparing shirts with more than one knitted structure with single knitting
structures shirts. Considering the results for the heat loss values, after WRF,
the heat flux of rowing shirts was lower. Shirt B and shirt B-1 had higher effective thermal
insulation value after WRF, where the other shirts had lower thermal insulation
values. Moreover, not only the
water repellent finishing, but also the structure of garment is also important
in terms of heat loss and thermal insulation.

Keywords

Rowing shirts, thermal comfort, thermal manikin, heat loss, total thermal insulation, effective clothing insulation

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