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Subjective evaluation of three helmets in cold laboratory and warm field conditions
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences, Human Work Science.
1999 (English)In: International Journal of Industrial Ergonomics, ISSN 0169-8141, E-ISSN 1872-8219, Vol. 23, no 3, p. 223-230Article in journal (Refereed) Published
Abstract [en]

Helmets are widely used in industries as a primary protection means for workers. Helmets can provide efficient protection against occupational hazards to the head, they also cause thermal discomfort to the wearers at work. To develop a reliable heat transfer testing method for helmets any objective testing method must be validated with subjective testing of the same helmets. Subjective evaluation of helmet heat transfer properties was conducted in both cold and hot conditions using three commonly used and commercially available helmets. Twenty-five subjects participated in a laboratory investigation in a simulated cold environment( + 3 degrees C and 30% RH); forty-three steel-making workers participated in a held survey in the hot environment (31 degrees C and 32% RH). Subjects were either asked to conduct certain tasks (in the laboratory investigation) or performed their regular production duties (in the filed survey) while wearing a helmet; they were then asked to answer questions in a questionnaire at the end of the surveys. The results of the subjective assessment which were compared with the objective measurements taken on a sweating manikin head using the same helmets, were found consistent.

Place, publisher, year, edition, pages
1999. Vol. 23, no 3, p. 223-230
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Industrial Work Environment
Identifiers
URN: urn:nbn:se:ltu:diva-5621DOI: 10.1016/S0169-8141(97)00055-3ISI: 000078265300008Scopus ID: 2-s2.0-0033102886Local ID: 3c639ff0-d491-11db-8550-000ea68e967bOAI: oai:DiVA.org:ltu-5621DiVA, id: diva2:978495
Note

Godkänd; 1999; 20070317 (ysko)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Shahnavaz, Houshang

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