{"id":2987,"date":"2021-05-31T15:41:11","date_gmt":"2021-05-31T13:41:11","guid":{"rendered":"https:\/\/vmtest.lps.u-psud.fr\/testequipe\/?p=2987"},"modified":"2021-06-28T16:19:42","modified_gmt":"2021-06-28T14:19:42","slug":"publication-viscoelasticity-induced-onset-of-slip-at-the-wall-for-polymer-fluids","status":"publish","type":"post","link":"https:\/\/equipes.lps.u-psud.fr\/mmoi\/publication-viscoelasticity-induced-onset-of-slip-at-the-wall-for-polymer-fluids\/","title":{"rendered":"Publication: Viscoelasticity-Induced Onset of Slip at the Wall for Polymer Fluids"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/mmoi\/IMG\/arton128.gif?1592927019\"><\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"220\" height=\"139\" src=\"https:\/\/equipes.lps.u-psud.fr\/mmoi\/wp-content\/uploads\/sites\/6\/2021\/05\/arton128-eaff2.png\" alt=\"\" class=\"wp-image-2988\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The progressive onset of slip at the wall, which corresponds to a slip length increasing with the solicitation time before reaching a plateau, has been investigated for model viscoelastic polymer solutions, allowing one to vary the longest relaxation time while keeping constant solid\u2013fluid interactions. A hydrodynamic model based on a Maxwell fluid and the classical Navier\u2019s hypothesis of a linear response for the friction stress at the interface fully accounts for the data. In the limit of the linear viscoelasticity of the fluid, we could postulate a Newtonian response for the interfacial friction coefficient, reflecting the local character of solid\u2013liquid friction mechanisms. Deviations between the experiments and our model are observed when the fluid is far from its linear viscoelastic behavior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DOI: <a href=\"https:\/\/pubs-acs-org\/doi\/10.1021\/acsmacrolett.0c00182\">https:\/\/pubs-acs-org\/doi\/10.1021\/acsmacrolett.0c00182<\/a><br>Arxiv: <a href=\"https:\/\/arxiv.org\/abs\/2002.03429\">https:\/\/arxiv.org\/abs\/2002.03429<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The progressive onset of slip at the wall, which corresponds to a slip length increasing with the solicitation time before reaching a plateau, has been investigated for model viscoelastic polymer &#8230;<\/p>\n","protected":false},"author":7,"featured_media":2988,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"The progressive onset of slip at the wall, which corresponds to a slip length increasing with the solicitation time before reaching a plateau, has been investigated for model viscoelastic polymer solutions, allowing one to vary the longest relaxation time while keeping constant solid\u2013fluid interactions. A hydrodynamic model based on a Maxwell fluid and the classical\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"christophe.poulard\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/equipes.lps.u-psud.fr\/mmoi\/publication-viscoelasticity-induced-onset-of-slip-at-the-wall-for-polymer-fluids\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Mati\u00e8re Molle aux interfaces \/ soft interfaces - Mati\u00e8re Molle aux interfaces \/ sooft interfaces LPS\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Publication: Viscoelasticity-Induced Onset of Slip at the Wall for Polymer Fluids - Mati\u00e8re Molle aux interfaces \/ soft interfaces\" \/>\n\t\t<meta property=\"og:description\" content=\"The progressive onset of slip at the wall, which corresponds to a slip length increasing with the solicitation time before reaching a plateau, has been investigated for model viscoelastic polymer solutions, allowing one to vary the longest relaxation time while keeping constant solid\u2013fluid interactions. 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