{"id":10435,"date":"2019-01-15T06:00:41","date_gmt":"2019-01-15T06:00:41","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=10435"},"modified":"2019-01-14T10:11:54","modified_gmt":"2019-01-14T10:11:54","slug":"what-happens-when-bombs-explode","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/what-happens-when-bombs-explode\/","title":{"rendered":"What happens when bombs explode?"},"content":{"rendered":"<p>Engineers at the <span class=\"highlight highlight-blue\"><a href=\"https:\/\/www.sheffield.ac.uk\/\" target=\"_blank\" rel=\"noopener\">University of Sheffield<\/a><\/span> are getting to the heart of what happens inside an explosion, in a new project aimed at improving the design of bomb protection systems.<\/p>\n<p>The team will be measuring explosions \u2018up close\u2019, gathering detailed information from inside the fireball of different types of blast and different environmental conditions, ranging from a land mine to a bomb exploding close to a building.<\/p>\n<p>As global threats from terrorist attacks or from armed conflict increase each year, effective materials, buildings and other structures that can withstand a blast are vital to increase public safety.<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-7565662001938327\" data-ad-slot=\"7585079586\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\nDespite this, little data has been gathered from actual bomb blasts, so engineers have to rely on computer modelling when designing protection systems.<\/p>\n<p>\u201cJust like earthquakes and hurricanes, real world explosions are unpredictable,\u201d explains lead investigator, Professor Andy Tyas, an expert in blast and impact engineering in the University\u2019s Department of Civil and Structural Engineering. \u201cSeismic and wind engineers have designed tests to predict how buildings and other structures will respond to these natural disasters, but it\u2019s much harder to do this for explosions.<\/p>\n<p>\u201cAlthough blast engineers do test structures and materials to assess their protection capability, there\u2019s a lot of debate about the reliability of these tests and a heavy reliance on computer modelling of explosions. That\u2019s because we don\u2019t really know what\u2019s going on inside the blast, so we can\u2019t tell for sure how repeatable the tests are.\u201d<\/p>\n<p>The \u00a31.2M project, funded by the Engineering and Physical Sciences Research Council (EPSRC) will be carried out at the University\u2019s research facilities, in Buxton.<\/p>\n<p>The first step will be to improve and adapt the CoBL (Characterisation of Blast Loading) testing equipment, previously used by Professor Tyas and his team to measure the output from shallow buried landmines.<\/p>\n<p>New technologies will enable the apparatus to carry out direct measurements of the blast load, in both space and time, to provide detailed data on the aggressive environment after an explosive is detonated very close to a target.<\/p>\n<p>\u201cBlast loading research carried out during the middle of the last century led to a very good understanding of the effects of large blasts over long distances \u2013 for example from atomic weapons. But these insights are less useful when looking at modern day blast threats, which are frequently from smaller, close-range explosions,\u201d says Professor Tyas.<\/p>\n<p>\u201cOnly by understanding the complex physics and fundamental chemical reactions at play inside the explosion fireball, can we allow our engineers a better understanding of blast loading. These insights will help us design better systems to protect people around the world from explosive attacks.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Engineers at the University of Sheffield are getting to the heart of what happens inside an explosion, in a new project aimed at improving the design of bomb protection systems. The team will be measuring explosions \u2018up close\u2019, gathering detailed information from inside the fireball of different types of blast and different environmental conditions, ranging &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[199],"tags":[5550,4297],"class_list":["post-10435","post","type-post","status-publish","format-standard","","category-news-views-and-opinion","tag-bomb-protection-systems","tag-university-of-sheffield"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What happens when bombs explode? - Engineer News Network<\/title>\n<meta name=\"description\" content=\"Engineers at the University of Sheffield are getting to the heart of what happens inside an explosion, in a new project aimed at improving the design of bomb protection systems\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engineernewsnetwork.com\/blog\/what-happens-when-bombs-explode\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What happens when bombs explode? 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