A Study of Skin-Close Heat and Moisture with Different Types of Backpacks in Cycling

The aim of this project was to evaluate effects of backpacks with different design intended for use during cycling on skin-close temperature and relative humidity, oxygen uptake, heart rate and aerodynamic drag. Seven subjects took part in the study cycling on a mountain bike mounted on a “smart tra...

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Bibliographic Details
Published inProceedings Vol. 49; no. 1; p. 86
Main Authors Mats Ainegren, Frank I. Michel, Robert Klauer, Andrey Koptyug, Mikael Bäckström, David Samuelsson, Magnus Ahnesjö, Stefan Litzenberger
Format Journal Article
LanguageEnglish
Published MDPI AG 01.06.2020
Subjects
aerodynamic drag
backpack
cycling
humidity
microclimate
temperature
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Summary:The aim of this project was to evaluate effects of backpacks with different design intended for use during cycling on skin-close temperature and relative humidity, oxygen uptake, heart rate and aerodynamic drag. Seven subjects took part in the study cycling on a mountain bike mounted on a “smart trainer” placed on a force plate in a wind tunnel. Three series of experiments were carried out: without backpack, with conventional backpack and with a backpack having innovative rear panel design. As hypothesized, the results showed that an innovatively designed backpack with the ducts deflecting part of the airflow towards some areas of the user’s back provided lower temperature and relative humidity for the microclimate compared to a conventional backpack without airflow channels. Further, reference tests without any backpack resulted in the lowest temperature and humidity. However, no differences were found between the three tests for oxygen uptake, heart rate and aerodynamic drag.
ISSN:2504-3900
DOI:10.3390/proceedings2020049086