Browsing by Author "Halfaoui, R."

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    New Approach To Predict Pressure Produced By Elastic Textile In The Therepeutic Treatment Of Venous Leg
    (University of Eloued جامعة الوادي, 2016-05-01) Halfaoui, R.; Chemani, B.
    This paper presents the first theoretical and practical work on compression therapy using the Laplace law to estimate pressures under the bandages. Three woven articles are considered: the first uses a highly-twisted cotton warp yarn, the second a polyamide warp yarn and the third a spandex yarn warped with a cotton yarn. Starting from these woven fabrics, three models, E5, E6 and Ef have been developed with respective elongations of 108 %, 86 % and 92 % and specific mechanical behavior. The results show that than the single layer bandages develop much higher pressure than the multilayer bandages but the multilayer bandages exert much more uniform pressure than single layered bandages. Obtaining uniform pressure along the length of the leg is a positive result in this treatment. Average circumferences of the human body are used for the pressure calculations in four zones: C1, C2, C3 and C4.