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Nybo, L. (author), Flouris, A.D. (author), Kjellstrom, T. (author), Kajfez Bogataj, L. (author), Ioannou, L.G. (author), Piil, J. (author), Morris, N.B. (author), Ciuha, U. (author), Mekjavić, I.B. (author), Bansal, A. (author), Foster, J. (author), Goodwin, J. (author), Havenith, G. (author), Crocetti, E. (author), Romeo, G. (author), Levi, M. (author), Messeri, A. (author), Morabito, M. (author), Kingma, B.R.M. (author), Pogačar, T. (author)In this report, you will find an overview of regional, industry specific and individual vulnerability to current and future occupational heat-stress. Vulnerability is considered and evaluated as productivity impact [loss] or increased heat-related health risk. The document includes regional effect analyses identifying inequalities across EU and...report 2022
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Morris, N.B. (author), Pijl, J.F. (author), Morabito, M. (author), Messeri, A. (author), Levi, M. (author), Ioannou, L.G. (author), Ciuha, U. (author), Pogacar, T. (author), Kajfez Bogataj, L. (author), Kingma, B.R.M. (author), Casanueva, A. (author), Kotlarski, S. (author), Spirig, C. (author), Foter, J. (author), Havenith, G. (author), Sotto Mayor, T. (author), Flouris, A.D. (author), Nybo, L. (author)Objectives: To provide perspectives from the HEAT-SHIELD project (www.heat-shield.eu): a multi-national, inter-sectoral, and cross-disciplinary initiative, incorporating twenty European research institutions, as well as occupational health and industrial partners, on solutions to combat negative health and productivity effects caused by working...article 2021
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- Flouris, A. (author), Poulianiti, K. (author), Bosch, P. (author), Jonkers, S. (author), Visschedijk, A.J.H. (author), TorrdKjellstrom, (author), Havenith, G. (author), Goodwin, J. (author), Tiago, S.M. (author), Anaheim, S. (author), Kotlarski, S. (author), Liniger, M. (author), Casanueva, A. (author) report 2020
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Havenith, G. (author), Daanen, H.A.M. (author)Zwaar werk in beschermende kleding in warme omstandigheden zorgt voor een aanzienlijke stress bij de werknemer. Niet alleen personen met een beroep dat je direct met warmte associeert, zoals brandweerman, metaalsmelter of kok, maar ook bijvoorbeeld te warm geklede werknemers in de koelhuisindustrie kunnen met ongezonde warmtebelasting te maken...book 2013
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- Daanen, H.A.M. (author), Havenith, G. (author), Buehler, M. (author), Wypkema, A.W. (author), Cheung, S.S. (author) conference paper 2013
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Havenith, G. (author), Bröde, P. (author), den Hartog, E.A. (author), Kuklane, K. (author), Holmer, I. (author), Rossi, R.M. (author), Richards, M. (author), Farnworth, B. (author), Wang, X. (author)Calculation of evaporative heat loss is essential to heat balance calculations. Despite recognition that the value for latent heat of evaporation, used in these calculations, may not always reflect the real cooling benefit to the body, only limited quantitative data on this is available, which has found little use in recent literature. In this...article 2013
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Havenith, G. (author), den Hartog, E.A. (author), Martini, S. (author)Heat strain in chemical protective clothing is an important factor in industrial and military practice. Various improvements to the clothing to alleviate strain while maintaining protection have been attempted. More recently, selectively permeable membranes have been introduced to improve protection, but questions are raised regarding their...article 2011
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Havenith, G. (author), Zhang, P. (author), Hatcher, K. (author), Daanen, H.A.M. (author), TNO Defensie en Veiligheid (author)Clothing microclimate ventilation is an important parameter in climatic stress and in contaminated environments. The two main methods for its determination (Crockford et al. (CR) 1972 and Lotens and Havenith (LH) 1988) were, after further development, compared in terms of reproducibility, validity and usability. Both methods were shown to have a...article 2010
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TNO Defensie en Veiligheid (author), Bröde, P. (author), Kuklane, K. (author), Candas, V. (author), den Hartog, E.A. (author), Griefahn, B. (author), Holmér, I. (author), Meinander, H. (author), Nocker, W. (author), Richards, M. (author), Havenith, G. (author)The heat transferred through protective clothing under long wave radiation compared to a reference condition without radiant stress was determined in thermal manikin experiments. The influence of clothing insulation and reflectivity, and the interaction with wind and wet underclothing were considered. Garments with different outer materials and...article 2010
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TNO Defensie en Veiligheid (author), den Hartog, E.A. (author), Havenith, G. (author)For wearers of protective clothing in radiation environments there are no quantitative guidelines available for the effect of a radiative heat load on heat exchange. Under the European Union funded project ThermProtect an analytical effort was defined to address the issue of radiative heat load while wearing protective clothing. As within the...article 2010
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Bröde, P. (author), Havenith, G. (author), Wang, X. (author), Candas, V. (author), den Hartog, E.A. (author), Griefahn, B. (author), Holmér, I. (author), Kuklane, K. (author), Meinander, H. (author), Nocker, W. (author), Richards, M. (author), TNO Defensie en Veiligheid (author)In order to assess the non-evaporative components of the reduced thermal insulation of wet clothing, experiments were performed with a manikin and with human subjects in which two layers of underwear separated by an impermeable barrier were worn under an impermeable overgarment at 20°C, 80% RH and 0.5 ms-1 air velocity. By comparing manikin...article 2008
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TNO Defensie en Veiligheid (author), Richards, M.G.M. (author), Rossi, R. (author), Meinander, H. (author), Broede, P. (author), Candas, V. (author), den Hartog, E.A. (author), Holmér, I. (author), Nocker, W. (author), Havenith, G. (author)The purpose of this study was to investigate the effect of moisture on the heat transfer through clothing in relation to the water vapour resistance, type of underwear, location of the moisture and climate. This forms part of the work performed for work package 2 of the European Union THERMPROTECT project. Thermal manikin results of dry and wet...article 2008
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Havenith, G. (author), TNO Defensie en Veiligheid (author)Data on metabolic rates (n = 0;81) and clothing insulation (n = 96) of school children and adolescents (A, primary school: age 9-10; B, primary school: age 10-11 year; C, junior vocational (technical) education: age 13-16 (lower level); D, same as C but at advanced level; and E, senior vocational (technical) education, advanced level: age 16-18)...article 2007
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TNO Defensie en Veiligheid (author), Kuklane, K. (author), Gao, C. (author), Holmér, I. (author), Giedraityte, L. (author), Bröde, P. (author), Candas, V. (author), den Hartog, E.A. (author), Meinander, H. (author), Richards, M. (author), Havenith, G. (author)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...article 2007
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Geng, Q. (author), Holme, I. (author), den Hartog, E.A. (author), Havenith, G. (author), Jay, O. (author), Malchaires, J. (author), Piette, A. (author), Rintama, H. (author), Rissanen, S. (author), TNO Defensie en Veiligheid (author)Objectives: At the request of the European Commission and in the framework of the European Machinery Directive, research was performed in five different laboratories to develop specifications for surface temperature limit values for the short-term accidental touching of the fingertip with cold surfaces. Methods: Data were collected in four...article 2006
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- van Es, E.M. (author), den Hartog, E.A. (author), Bröde, P. (author), Candas, V. (author), Heus, R. (author), Havenith, G. (author), Holmer, I. (author), Meinander, H. (author), Nocker, W. (author), Richards, M. (author), TNO Defensie en Veiligheid (author) article 2006
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Fukazawa, T. (author), den Hartog, E.A. (author), Daanen, H.A.M. (author), Tochihara, Y. (author), Havenith, G. (author), TNO Defensie en Veiligheid (author)A series of experiments has been performed to study the moisture transfer in the protective clothing exposed to a high short wave (solar) radiant heat flux at a normal condition of 20 °C with 40 % RH in terms of heat stress caused by accumulated sweat in underwear. To simulate a practical situation, an experimental set-up was composed with a hot...conference paper 2005
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Havenith, G. (author), Wang, X. (author), Candas, V. (author), den Hartog, E. (author), Griefahn, B. (author), Holmér, I. (author), Meinander, H. (author), Richards, M. (author), TNO Defensie en Veiligheid (author)As part of the EU funded research project THERMPROTECT ('Thermal properties of protective clothing and their use') this paper deals with manikin experiments on the effects of heat radiation at different wind speeds, considering aspects related to the reflectivity of the clothing. A heated thermal manikin 'Newton' was operated with a constant...conference paper 2005
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Fukazawa, T. (author), den Hartog, E.A. (author), Daanen, H.A.M. (author), Penders-van Elk, N. (author), Tochihara, Y. (author), Havenith, G. (author), TNO Defensie en Veiligheid (author)A radiant network model was developed for design of the protective clothing system against solar and infrared radiative heat flux. A one-dimensional model was employed in the present study, because the aim of this study was to obtain precise temperature distribution through the system with use of a rather simple geometry. The model consists of a...conference paper 2005
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Dorman, L. (author), Havenith, G. (author), TNO Defensie en Veiligheid (author)Protective clothing is worn in many industrial and military situations. Although worn for protection from one or more hazards, the clothing can have secondary effects which may limit the ability of the worker to perform the tasks required of the job. Protective clothing can add significantly to the metabolic (energy) cost of work. Suggestions...conference paper 2005