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Title: Evaluation of overall and local ventilation in diapers
Authors: Satsumoto, Yayoi
Havenith, George
Keywords: Thermal comfort
Diaper
Microclimate ventilation rate
Tracer gas method
Local ventilation
Issue Date: 2010
Publisher: Sage Publications (© The Authors)
Citation: SATSUMOTO, Y. and HAVENITH, G., 2010. Evaluation of overall and local ventilation in diapers. Textile Research Journal, 80 (17), pp. 1856-1871.
Abstract: A device to evaluate the distribution of the ventilation in diapers by using a tracer gas method (steady state method) was developed to investigate the effect of the design- and material-factor of diapers on heat and water vapor transfer by ventilation. This device can also measure the local quantitative evaluation of microclimate ventilation during rest or walking between the interior of the diaper and the ambient atmosphere. Using forced ventilation, it was shown that the devices‟ measurement captured the actual ventilation in the diapers. For the overall ventilation values it was found that the air permeability of the diaper fabric affected the ventilation but did not dominate it. It means the ventilation was affected not only by the air permeability but also by the construction and design of clothing. Leg movement caused about 20% increase of ventilation compared to the static condition. The ventilations of the pants design diapers were less affected by the movement. For the local ventilation values, the ventilation of the front upper site contributed heavily to the overall ventilation. The repeatability of the microclimate ventilation values measured by the steady state method obtained in our present study was better than that of the transient method reported in our earlier paper. It was demonstrated that the device allowed the evaluation of diaper design for the purpose of improving the microclimate in the diaper.
Version: Accepted for publication
DOI: 10.1177/0040517510369402
URI: https://dspace.lboro.ac.uk/2134/6721
Publisher Link: http://dx.doi.org/10.1177/0040517510369402
ISSN: 0040-5175
Appears in Collections:Published Articles (Design School)

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