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Wyszukujesz frazę "Kuklane, K." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Testing Sleeping Bags According to EN 13537:2002: Details That Make the Difference
Autorzy:
Kuklane, K.
Dejke, V.
Powiązania:
https://bibliotekanauki.pl/articles/89984.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
sleeping bag
mattress
thermal manikin
insulation
European standard
calculation method
Opis:
The European Standard on sleeping bag requirements (EN 13537:2002) describes a procedure to determine environmental temperature limits for safe usage of sleeping bags regarding their thermal insulation. However, there are several possible sources of error related to this procedure. The main aim of this work was to determine the influence of the various measuring parameters on the acuity of the respective parameters in order to judge the requirements. The results indicated that air velocity, mattress insulation and time between unpacking the bag and measurement had a significant impact on the result, with a difference of up to 5–15% in thermal insulation between minimum and maximum allowable parameter levels. On the other hand, manikin weight, thickness of the artificial ground and presence of a face mask were found to have a negligible influence. The article also discusses more general aspects of the standard including the calculation methods used.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 2; 199-216
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:
Calculation of Clothing Insulation by Serial and Parallel Methods: Effects on Clothing Choice by IREQ and Thermal Responses in the Cold
Autorzy:
Kuklane, K.
Gao, C.
Holmer, I.
Giedraityte, L.
Brode, P.
Candas, V.
Hartog den, E.
Meinander, H.
Richards, M.
Havenith, G.
Powiązania:
https://bibliotekanauki.pl/articles/90632.pdf
Data publikacji:
2007
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
cold protective clothing
insulation
IREQ
serial
parallel
calculation method
Opis:
Cold protective clothing was studied in 2 European Union projects. The objectives were (a) to examine different insulation calculation methods as measured on a manikin (serial or parallel), for the prediction of cold stress (IREQ); (b) to consider the effects of cold protective clothing on metabolic rate; (c) to evaluate the movement and wind correction of clothing insulation values. Tests were carried out on 8 subjects. The results showed the possibility of incorporating the effect of increases in metabolic rate values due to thick cold protective clothing into the IREQ model. Using the higher thermal insulation value from the serial method in the IREQ prediction, would lead to unacceptable cooling of the users. Thus, only the parallel insulation calculation method in EN 342:2004 should be used. The wind and motion correction equation (No. 2) gave realistic values for total resultant insulation; dynamic testing according to EN 342:2004 may be omitted.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2007, 13, 2; 103-116
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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