{"id":444768,"date":"2022-05-10T18:00:05","date_gmt":"2022-05-10T15:00:05","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/at-home-do-it-yourself-fluid-mechanics\/"},"modified":"2022-05-10T18:00:05","modified_gmt":"2022-05-10T15:00:05","slug":"at-home-do-it-yourself-fluid-mechanics","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/at-home-do-it-yourself-fluid-mechanics\/","title":{"rendered":"#At home, do-it-yourself fluid mechanics"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2d2afc1bbb9\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2d2afc1bbb9\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/at-home-do-it-yourself-fluid-mechanics\/#%E2%80%9CAt_home_do-it-yourself_fluid_mechanics%E2%80%9D\" >&#8220;At home, do-it-yourself fluid mechanics&#8221;<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E2%80%9CAt_home_do-it-yourself_fluid_mechanics%E2%80%9D\"><\/span>&#8220;At home, do-it-yourself fluid mechanics&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<div>\n<div class=\"article-gallery lightGallery\">\n<div data-thumb=\"https:\/\/scx1.b-cdn.net\/csz\/news\/tmb\/2022\/at-home-do-it-yourself.jpg\" data-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2022\/at-home-do-it-yourself.jpg\" data-sub-html=\"Do-it-yourself measurement. A student took a single photo (left) of a carbopol suspension in water scooped with a small spatula. The physics of this flowable gel substance, similar to hair gel, was mathematically modeled to estimate the yield stress. Credit: M. Tanver Hossain and Randy H. Ewoldt\">\n<figure class=\"article-img\">\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/scx1.b-cdn.net\/csz\/news\/800a\/2022\/at-home-do-it-yourself.jpg\" alt=\"At home, do-it-yourself fluid mechanics\" title=\"Do-it-yourself measurement. A student took a single photo (left) of a carbopol suspension in water scooped with a small spatula. The physics of this flowable gel substance, similar to hair gel, was mathematically modeled to estimate the yield stress. Credit: M. Tanver Hossain and Randy H. Ewoldt\" width=\"800\" height=\"450\"\/><figcaption class=\"text-darken text-low-up text-truncate-js text-truncate mt-3\">\n                Do-it-yourself measurement. A student took a single photo (left) of a carbopol suspension in water scooped with a small spatula. The physics of this flowable gel substance, similar to hair gel, was mathematically modeled to estimate the yield stress. Credit: M. Tanver Hossain and Randy H. Ewoldt<br \/>\n            <\/figcaption><\/figure>\n<\/p><\/div>\n<\/div>\n<p>Although the COVID-19 pandemic caused many disruptions in the educational system, it also led to some surprising benefits.<\/p>\n<section class=\"article-banner first-banner ads-336x280\">\n         <!-- \/4988204\/Phys_Story_InText_Box --><\/p>\n<\/section>\n<p>In <i>Physics of Fluids<\/i>, scientists from the University of Illinois at Urbana-Champaign describe their work with students on an at-home study of complex fluid behavior. The course covers a type of physics known as rheology, which is used to study the way non-Newtonian liquids or semisolid substances flow.<\/p>\n<p>Newtonian fluids have a constant viscosity, but non-Newtonian fluids can deform when force is <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>lied. Sometimes, they respond with plastic flow. Simple rheometric measurements can be carried out in anyone&#8217;s home to measure quantities such as viscoelasticity, shear thinning, and other rheological properties.<\/p>\n<p>&#8220;We initially called the project Shelter-in-Place Rheometry due to the acute nature of the COVID-19 pandemic and shelter-in-place rules,&#8221; said Randy Ewoldt, the professor involved in developing the course. &#8220;But we realized that the idea is more <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/general\/\" data-internallinksmanager029f6b8e52c=\"3\" title=\"General\" target=\"_blank\" rel=\"noopener\">general<\/a> and have since taken to calling it do-it-yourself rheometry.&#8221;<\/p>\n<p>The projects assigned to the students had two parts: gathering qualitative visual evidence of rheological properties and taking quantitative measurements. The students checked for four behaviors: shear thinning viscosity, viscoelasticity, shear normal stress difference, and extensional viscosity.<\/p>\n<p>Even without access to laboratory rheometers, the students developed creative and unique ways to carry out their measurements. They studied a variety of common substances, including buttercream frosting, toothpaste, yogurt, peanut butter, mayonnaise, egg whites, and many other substances available in their homes.<\/p>\n<p>One student, Ignasius Anugraha, developed a compression squeeze flow analysis to study buttercream frosting. Anugraha placed the frosting between two cardboard discs and subjected it to a force by stacking ramekins filled with water atop the discs.<\/p>\n<p>The frosting was able to support the weight of the water until a critical value was reached, at which point the frosting collapsed on one side and squeezed out. Using equations involving the weight of the water, Anugraha was able to measure a quantity known as the yield stress.<\/p>\n<p>Another student, Max Friestad, devised an experiment to study a behavior known as gravity-driven filament stretching. Friestad suspended a tube of toothpaste vertically and gently squeezed it, expelling a dollop of toothpaste that slowly extended, stretching downward. Using a cellphone with a high-speed frame-rate camera, Friestad was able to take measurements and calculate the extensional viscosity.<\/p>\n<p>The course was so successful that the faculty continue to offer it, both in-person and online.<\/p>\n<p>&#8220;We are currently working on a review of methods which we believe will be useful not only for coursework and instruction but also for research and technical communication,&#8221; said M. Tanver Hossain.<\/p>\n<p>The article &#8220;Do-it-yourself rheometry&#8221; is authored by M. Tanver Hossain and Randy H. Ewoldt. The article will appear in <i>Physics of Fluids<\/i> on May 10, 2022.<\/p>\n<hr\/>\n<div class=\"article-main__explore my-4 d-print-none\">\n<p>                                            The surprising <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/sciencee\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"Science\" target=\"_blank\" rel=\"noopener\">science<\/a> of sunscreen, sand and ice cream\n                                        <\/p><\/div>\n<hr class=\"mb-4\"\/>\n<div class=\"article-main__more p-4\">\n                                                                                                <strong>More information:<\/strong><br \/>\n                                                Do-it-yourself rheometry, <i>Physics of Fluids<\/i> (2022). <a rel=\"nofollow noopener\" target=\"_blank\" data-doi=\"1\" href=\"https:\/\/dx.doi.org\/10.1063\/5.0085361\">DOI: 10.1063\/5.0085361<\/a><\/p><\/div>\n<div class=\"d-inline-block text-medium my-4\">\n                                                Provided by<br \/>\n                                                                                                    American Institute of Physics<br \/>\n                                                                                                        <a rel=\"nofollow noopener\" target=\"_blank\" class=\"icon_open\" href=\"http:\/\/www.aip.org\/\"><br \/>\n                                                        <svg>\n                                                            <use href=\"https:\/\/phys.b-cdn.net\/tmpl\/v6\/img\/svg\/sprite.svg#icon_open\" x=\"0\" y=\"0\"\/>\n                                                        <\/svg><br \/>\n                                                    <\/a><\/p><\/div>\n<p>                                        <!-- print only --><\/p>\n<div class=\"d-none d-print-block\">\n<p>                                                 <strong>Citation<\/strong>:<br \/>\n                                                 At home, do-it-yourself fluid mechanics (2022, May 10)<br \/>\n                                                 retrieved 10 May 2022<br \/>\n                                                 from https:\/\/phys.org\/<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/news\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"News\" target=\"_blank\" rel=\"noopener\">news<\/a>\/2022-05-home-do-it-yourself-fluid-mechanics.html<\/p>\n<p>                                            This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no<br \/>\n                                            part may be reproduced without the written permission. The content is provided for information purposes only.<\/p><\/div>\n<\/p><\/div>\n<p><script id=\"facebook-jssdk\" async=\"\" src=\"https:\/\/connect.facebook.net\/en_US\/sdk.js\"><\/script><\/p>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. 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A student took a single photo (left) of a carbopol suspension in water scooped with a small spatula. The physics of this flowable gel substance, similar to hair gel, was mathematically modeled to estimate the yield stress. Credit: M. Tanver Hossain and Randy H. Ewoldt Although the COVID-19&#8230;<\/p>\n","protected":false},"author":1,"featured_media":444769,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2022\/at-home-do-it-yourself.jpg","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-444768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciencee"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/444768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=444768"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/444768\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/444769"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=444768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=444768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=444768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}