{"id":245,"date":"2026-04-01T10:00:00","date_gmt":"2026-04-01T10:00:00","guid":{"rendered":"https:\/\/www.auriga.polimi.it\/?p=245"},"modified":"2026-09-06T17:30:18","modified_gmt":"2026-09-06T17:30:18","slug":"arici-research-stay-tuhh","status":"publish","type":"post","link":"https:\/\/www.auriga.polimi.it\/index.php\/arici-research-stay-tuhh\/","title":{"rendered":"Alberto Arici&#8217;s research stay at TUHH"},"content":{"rendered":"\n<p class=\"is-style-lede wp-block-paragraph\">During a research stay at the Institute of Multiphase Flows, Hamburg University of Technology, Alberto Arici carried out a systematic experimental investigation of aqueous ionic-liquid mixtures for CO<sub>2<\/sub> capture.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/09\/arici-research-stay-1024x768.jpg\" alt=\"Photograph from the research stay at the Institute of Multiphase Flows\" class=\"wp-image-301\" srcset=\"https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/09\/arici-research-stay-1024x768.jpg 1024w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/09\/arici-research-stay-300x225.jpg 300w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/09\/arici-research-stay-768x576.jpg 768w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/09\/arici-research-stay-1536x1152.jpg 1536w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/09\/arici-research-stay.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">During the research stay at the Institute of Multiphase Flows.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Density, viscosity and surface tension were measured over a wide range of compositions and temperatures, producing a consistent thermophysical dataset for two ionic liquids.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Taylor-bubble setup was then developed and operated using three capillaries of different diameter. High-speed video recordings and image analysis were used to study bubble rise dynamics and to determine the liquid-side mass-transfer coefficient <em>k<\/em><sub>L<\/sub> from the progressive decrease in CO<sub>2<\/sub> bubble volume.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-c976355d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-highspeed-768x1024.jpeg\" alt=\"High-speed camera and back-light of the Taylor-bubble capillary rig\" class=\"wp-image-243\" srcset=\"https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-highspeed-768x1024.jpeg 768w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-highspeed-225x300.jpeg 225w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-highspeed-1152x1536.jpeg 1152w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-highspeed.jpeg 1500w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">High-speed camera and back-light used to record the rising bubbles.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-capillary-768x1024.jpeg\" alt=\"A Taylor bubble rising inside one of the capillaries\" class=\"wp-image-211\" srcset=\"https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-capillary-768x1024.jpeg 768w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-capillary-225x300.jpeg 225w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-capillary-1152x1536.jpeg 1152w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-capillary-1536x2048.jpeg 1536w, https:\/\/www.auriga.polimi.it\/wp-content\/uploads\/2026\/07\/arici-capillary-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">A CO<sub>2<\/sub> Taylor bubble rising in one of the three capillaries.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The work connects solvent composition, thermophysical properties, confined bubble hydrodynamics and mass-transfer performance, providing useful insights for solvent selection and for the design of future CO<sub>2<\/sub> absorption processes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>During a research stay at the Institute of Multiphase Flows, Hamburg University of Technology, Alberto Arici carried out a systematic experimental investigation of aqueous ionic-liquid mixtures for CO2 capture. Density, viscosity and surface tension were measured over a wide range of compositions and temperatures, producing a consistent thermophysical dataset for two ionic liquids. A Taylor-bubble [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":301,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/posts\/245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/comments?post=245"}],"version-history":[{"count":1,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/posts\/245\/revisions"}],"predecessor-version":[{"id":302,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/posts\/245\/revisions\/302"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/media\/301"}],"wp:attachment":[{"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/media?parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/categories?post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.auriga.polimi.it\/index.php\/wp-json\/wp\/v2\/tags?post=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}