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Wyszukujesz frazę "cold protection" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
A Review of Technology of Personal Heating Garments
Autorzy:
Wang, F.
Gao, C.
Kuklane, K.
Holmer, I.
Powiązania:
https://bibliotekanauki.pl/articles/89962.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
energy save
cold protection
personal heating garment (PHG)
human comfort
Opis:
Modern technology makes garments smart, which can help a wearer to manage in specific situations by improving the functionality of the garments. The personal heating garment (PHG) widens the operating temperature range of the garment and improves its protection against the cold. This paper describes several kinds of PHGs worldwide; their advantages and disadvantages are also addressed. Some challenges and suggestions are finally addressed with regard to the development of PHGs.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 3; 387-404
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal Manikin Measurements - Exact or Not?
Autorzy:
Anttonen, H.
Niskanen, J.
Meinander, H.
Bartels, V.
Kuklane, K.
Reinertsen, R. E.
Varieras, S.
Sołtyński, K.
Powiązania:
https://bibliotekanauki.pl/articles/90301.pdf
Data publikacji:
2004
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
protective clothing
thermal insulation
cold protection
calculation method
izolacja cieplna
odzież ochronna
środowisko cieplne
ochrona przed zimnem
manekin termiczny
Opis:
According to the European prestandard ENV 342:1998 [1], the thermal insulation of cold-protective clothing is measured with a thermal manikin. Systematic studies on the reproducibility of the values, measured with different types of clothing on the commonly used standing and walking manikins, have not been reported in the literature. Over 300 measurements were done in 8 different European laboratories. The reproducibility of the thermal insulation test results was good. The coefficient of variation was lower than 8%. The measured clothing should fit the manikin precisely, because poorly fitting clothing gave an error in the results. The correlation between parallel and serial insulation values was excellent and parallel values were about 20% lower than serial ones. The influence of ambient conditions was critical only in the case of air velocity. The reproducibility of thermal insulation test results in a single laboratory was good, and the variation was lower than 3%.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2004, 10, 3; 291-300
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Sweating on Insulation of Footwear
Autorzy:
Kuklane, K.
Holmer, I.
Powiązania:
https://bibliotekanauki.pl/articles/90320.pdf
Data publikacji:
1998
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
sweating
thermal foot model
insulation of footwear
cold protection
safety shoes
steel toe cap
obuwie ochronne
ochrona przed zimnem
testowanie obuwia
Opis:
The study aimed to find out the influence of sweating on footwear insulation with a thermal foot model. Simultaneously, the influence of applied weight (35 kg), sock, and steel toe cap were studied. Water to 3 sweat glands wassupplied with a pump at the rate of 10 g/hr in total. Four models of boots with steel toe caps were tested. The same models were manufactured also without steel toe. Sweating reduced footwear insulation 19-25% (30-37% in toes). During static conditions, only a minimal amount of sweat evaporated from boots. Weight affected sole insulation: Reduction depended on compressibility of sole material. The influence of steel toe varied with insulation. The method of thermal foot model appears to be a practical tool for footwear evaluation.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1998, 4, 2; 123-136
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Sweating on the Heat Transmission Properties of Cold Protective Clothing Studied With a Sweating Thermal Manikin
Autorzy:
Meinander, H.
Hellsten, M.
Powiązania:
https://bibliotekanauki.pl/articles/90642.pdf
Data publikacji:
2004
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
protective clothing
cold protection
thermal manikin
sweating
odzież ochronna
tkaniny na odzież ochronną
środki ochrony indywidualnej
środowisko cieplne
wilgotność
ochrona przed zimnem
manekin termiczny
Opis:
One of the objectives of the European SUBZERO project was to study the influence of sweat evaporation and condensation on the heat transmission properties of cold protective clothing. With the sweating thermal manikin Coppelius, water vapour transfer through and water condensation in the clothing can be determined simultaneously with the thermal insulation. In this study, 4 cold protective ensembles, intended for use temperatures between 0 and -50 °C, were measured with the dry manikin and at 2 different sweating rates. In addition, the ensembles were measured with non-sweating thermal manikins and in wear trials.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2004, 10, 3; 263-269
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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