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A Study on Local Co...
A Study on Local Cooling of Garments with Ventilation Fans and Openings Placed at Different Torso Sites
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Zhao, Mengmeng (author)
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- Gao, Chuansi (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Wang, Faming (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Kuklane, Kalev (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Holmér, Ingvar (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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Li, Jun (author)
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(creator_code:org_t)
- Elsevier BV, 2013
- 2013
- English.
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In: International Journal of Industrial Ergonomics. - : Elsevier BV. - 0169-8141. ; 43:3, s. 232-237
- Related links:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Abstract in UndeterminedThe aim of the study was to examine the various design features of ventilatedgarments on cooling performance. Five jackets with small ventilation units andclosable openings were designed. The ventilation units with a flow rate of 12 l/s wereplaced at five different torso sites. They were examined on a sweating thermalmanikin in four clothing opening conditions in a warm environment(Ta=Tmanikin=34 °C, RH=60 %, Va=0.4 m/s). Total torso cooling was increased by 137to 251 %, and clothing total dynamic evaporative resistance was decreased by 43 to69 %. Neither the ventilation location nor the opening design had a significantdifference on total torso cooling. The ventilation location had a significant differenceon localized intra-torso cooling, but not the opening design. When the ventilationunits were placed at the local zone where it was ventilated, that zone underwent thehighest cooling than other local zones. The study indicated that the ventilation unitsshould be placed at the region where it required the most evaporative cooling, e.g.along the spine area and the lower back. The openings could be adjusted (closed oropened) to make comfortable air pressure for the wearers but without makingsignificant difference on the whole torso cooling under this flow rate.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Produktionsteknik, arbetsvetenskap och ergonomi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Production Engineering, Human Work Science and Ergonomics (hsv//eng)
Keyword
- Local cooling
- Ventilation
- Opening
- Evaporation
Publication and Content Type
- art (subject category)
- ref (subject category)
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