Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/125728
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Type: | Conference paper |
Title: | A thermal test system for helmet cooling studies |
Author: | Fitzgerald, S. Atkins, H. Leknys, R. Kelso, R. |
Citation: | Proceedings, 2018, vol.2, iss.6, pp.272-1-272-6 |
Publisher: | MDPI |
Publisher Place: | Switzerland |
Issue Date: | 2018 |
ISSN: | 2504-3900 |
Conference Name: | 12th Conference of the International Sports Engineering Association (ISEA) (26 Mar 2018 - 29 Mar 2018 : Brisbane, Australia) |
Statement of Responsibility: | Shaun Fitzgerald, Henry Atkins, Ryan Leknys and Richard Kelso |
Abstract: | One of the primary causes of discomfort to both irregular and elite cyclists is heat entrapment by a helmet resulting in overheating and excessive sweating of the head. To accurately assess the cooling effectiveness of bicycle helmets, a heated plastic thermal headform has been developed. The construction consists of a 3D-printed headform of low thermal conductivity with an internal layer of high thermal mass that is heated to a constant uniform temperature by an electrical heating element. Testing is conducted in a wind tunnel where the heater power remains constant and the resulting surface temperature distribution is directly measured by 36 K-type thermocouples embedded within the surface of the head in conjunction with a thermal imaging camera. Using this new test system, four bicycle helmets were studied in order to measure their cooling abilities and to identify ‘hot spots’ where cooling performance is poor. |
Keywords: | thermal comfort; bicycle helmets; human mannequin; cycling |
Description: | Published: 13 February 2018 |
Rights: | © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
DOI: | 10.3390/proceedings2060272 |
Published version: | https://www.mdpi.com/2504-3900/2/6 |
Appears in Collections: | Aurora harvest 4 Mechanical Engineering conference papers |
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hdl_125728.pdf | Published version | 713.99 kB | Adobe PDF | View/Open |
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