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Wyświetlanie 1-2 z 2
Tytuł:
Effect of Footwear Insulation on Thermal Responses in the Cold
Autorzy:
Kuklane, K.
Geng, Q
Holmer, I.
Powiązania:
https://bibliotekanauki.pl/articles/89772.pdf
Data publikacji:
1998
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
cold
insulation of footwear
foot skin temperature
thermal sensation
zimno
obuwie zimowe
ochrona przed zimnem
izolacja termiczna
Opis:
The influence of footwear insulation on foot skin temperature in the cold at low activity was investigated. Simultaneously, the thermal and pain sensations, and the influence of steel toe cap were studied. Eight participants were exposed for 85 min to 3 environmental temperatures ( + 3, — 12, and —25°C) wearing 5 different boots. Insulation of footwear was determined with a thermal foot model. The study showed the importance of insulation forkeeping feet warm. Other factors, such as wetness and vasomotor response, however, modified the thermal response. The most affected parts were toes and heels. Cold and pain sensations were connected with considerably lower temperatures in these local points. No significant differences were observed between boots with and without steel toe cap.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1998, 4, 2; 137-152
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of Heat Loss from the Feet and Insulation of the Footwear
Autorzy:
Kuklane, K.
Afanasieva, R.
Burmistrova, O.
Bessonova, N.
Holmer, I.
Powiązania:
https://bibliotekanauki.pl/articles/90620.pdf
Data publikacji:
1999
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
foot
thermal insulation
footwear
thermal foot model
skin temperature
heat loss
stopy
obuwie
izolacja cieplna
temperatura skóry
Opis:
This study compared the methods of determining footwear insulation on human participants and a thermal foot model. Another purpose was to find the minimal number of measurement points on the human foot that is needed for insulation calculation. A bare foot was tested at 3 ambient temperatures on 6 participants. Three types of footwear were tested on 2 participants. The mean insulation for a bare foot obtained on the participant and model were similar. The insulation of warm footwear measured by the 2 methods was also similar. For thin footwear the insulation values from the participants were higher than those from the thermal model. The differences could be related to undefined physiological factors. Two points on the foot can be enough to measure the insulation of footwear on human participants (r = .98). However, due to the big individual differences of humans, and good repeatability and simplicity of the thermal foot method, the latter should be preferred for testing.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1999, 5, 4; 465-476
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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