{"id":37,"date":"2023-11-21T01:12:15","date_gmt":"2023-11-20T14:12:15","guid":{"rendered":"https:\/\/www.dichen-safe.tech\/?page_id=37"},"modified":"2024-08-24T09:29:51","modified_gmt":"2024-08-24T01:29:51","slug":"home","status":"publish","type":"page","link":"https:\/\/www.dichen-safe.tech\/index.php\/home\/","title":{"rendered":"Home"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">A full-scale gas deflagration test in a 710-m-long tunnel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In my previous work, two 1:1-scale experiments were carried out in a <strong>710-m<\/strong> long tunnel with cross-sectional dimensions of 3.2 m \u00d7 2.6 m, which is the largest gas explosion test tunnel in Asia Pacific region and the second largest in the world. For more information, please refer to\u00a0<a href=\"https:\/\/www.dichen-safe.tech\/?sdm_process_download=1&amp;download_id=362\"><strong>Di Chen, et al., (2024). A full-scale experimental investigation of natural gas explosion in a 710-m long utility tunnel with multiple pipelines, Tunnelling and Underground Space Technology.<\/strong><\/a><\/p>\n\n\n<div class=\"sdm_download_count\"><span class=\"sdm_count_number\">1<\/span><span class=\"sdm_count_string\"> \u4e0b\u8f7d<\/span><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/Full-sacle-experiment-1.gif\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><strong>Flame propagation<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/710-m-P-T.jpg\" alt=\"\" style=\"width:598px;height:auto\"\/><figcaption class=\"wp-element-caption\"><strong>Gas explosion load<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/710m-Structural-response.jpg\" alt=\"\" style=\"width:616px;height:auto\"\/><figcaption class=\"wp-element-caption\"><strong>Structural response<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Concrete blast wall against H<sub>2<\/sub>-air detonation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This work is based on an innovative numerical approach that integrates CESE compressible CFD solver, <strong>chemistry reaction<\/strong> model, and structural FEM solver within LS-DYNA to predict structural response subjected to hydrogen detonation loads. For more information, please refer to&nbsp;<strong><a href=\"https:\/\/www.dichen-safe.tech\/?sdm_process_download=1&amp;download_id=273\">Chen, D., Wu, C., &amp; Li, J. (2023). Assessment of Modeling Methods for Predicting Load Resulting From Hydrogen-air Detonation. Process Safety and Environmental Protection<\/a><\/strong>.<div class=\"sdm_download_count\"><span class=\"sdm_count_number\">27<\/span><span class=\"sdm_count_string\"> \u4e0b\u8f7d<\/span><\/div><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/Blastwall.gif\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><strong>Reinforced concrete wall against H<sub>2<\/sub>-air detonation<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/BlastWall.png\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><strong>Model validation<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Large-scale H<sub>2<\/sub>-air detonation modeling<\/h2>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">A new numerical approach has been developed to model the large-scale structural response resulting from H<sub>2<\/sub>-CH<sub>4<\/sub>-air detonation loading in an accurate and fast manner by avoiding the time-consuming solving of chemical reaction.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For more information, please refer to <a href=\"https:\/\/www.dichen-safe.tech\/?sdm_process_download=1&amp;download_id=350\"><strong>Chen, D., et al., A generic approach for modelling hydrogen-methane-air detonation in hydrocode. Journal of Cleaner Production, 2024. 465: p. 142840<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><div class=\"sdm_download_button_box_default\"><div class=\"sdm_download_link\"><span class=\"sdm_enter_password_label_text\">\u8f93\u5165\u5bc6\u7801\u624d\u80fd\u4e0b\u8f7d\uff1a<\/span><form action=\"https:\/\/www.dichen-safe.tech\/?sdm_process_download=1&download_id=317\" method=\"post\" id=\"sdm-pass-6a2cba3275285\" class=\"sdm-download-form\"><input type=\"password\" name=\"pass_text\" class=\"sdm_pass_text\" value=\"\" \/> <span class=\"sdm-download-button\"><a href=\"#\" name=\"sdm_dl_pass_submit\" class=\"pass_sumbit sdm_pass_protected_download sdm_download_with_condition sdm_download teal\">\u7acb\u5373\u4e0b\u8f7d\uff01<\/a><\/span><input type=\"hidden\" name=\"download_id\" value=\"317\" \/><\/form><\/div><\/div><div class=\"sdm_download_count\"><span class=\"sdm_count_number\">6<\/span><span class=\"sdm_count_string\"> \u4e0b\u8f7d<\/span><\/div><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/RTU.gif\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><strong>H<sub>2<\/sub>-air detonation modeling in a 263 m<sup>3<\/sup> tunnel with complex geometry<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2023\/11\/RTU-scaled.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><strong>Model validation<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Ultra-high performance concrete structure against internation hydrogen explosions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Currently, I am doing experimental and numerical work about the protective performance of normal\/ultra-high performance concrete structures against H<sub>2<\/sub> blast loading.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.dichen-safe.tech\/wp-content\/uploads\/2024\/05\/3.7Wall1way.gif\" alt=\"\" style=\"width:840px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Damage behavior of reinforced concrete room against internal H<sub>2<\/sub>-air explosion<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A full-scale gas&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"class_list":["post-37","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/pages\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/comments?post=37"}],"version-history":[{"count":27,"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/pages\/37\/revisions"}],"predecessor-version":[{"id":367,"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/pages\/37\/revisions\/367"}],"wp:attachment":[{"href":"https:\/\/www.dichen-safe.tech\/index.php\/wp-json\/wp\/v2\/media?parent=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}