The effect of explosive charge backing in close-proximity air-blast loading

•Metal charge backing increases the impulse transfer to a structure•Transient and permanent midpoint deflections increase with charge backing•Magnitude of impulse increase is not the same as deflection with charge backing•Numerical simulations reveal the effects of recirculation on the clamp boundar...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:International journal of impact engineering 2021-05, Vol.151, p.103822, Article 103822
Hauptverfasser: Curry, R.J., Langdon, G.S.
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page
container_issue
container_start_page 103822
container_title International journal of impact engineering
container_volume 151
creator Curry, R.J.
Langdon, G.S.
description •Metal charge backing increases the impulse transfer to a structure•Transient and permanent midpoint deflections increase with charge backing•Magnitude of impulse increase is not the same as deflection with charge backing•Numerical simulations reveal the effects of recirculation on the clamp boundary This paper presents new insights into the influence of explosive charge backing on the impulse transfer and transient response characteristics of plates subjected to close-proximity air blast loading. The results of the combine experimental and computational studies show the critical influence of charge backing, which caused between a 3-5 times increase in the impulse transfer when the charge was metal-backed. The permanent deflections from the metal-backed detonations were larger than for air, but not to the same degree as the impulse increase. These findings demonstrate the important influence of charge backing, in close proximity detonations, which greatly exceeded anything previously measured. These valuable insights will assist blast protection engineers considering the effects of explosions in situations when the charge backing is something other than air, which is a frequent occurrence in explosion scenarios.
doi_str_mv 10.1016/j.ijimpeng.2021.103822
format Article
fullrecord <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2508593663</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0734743X21000099</els_id><sourcerecordid>2508593663</sourcerecordid><originalsourceid>FETCH-LOGICAL-c388t-321bb50a46a13fb258c7cca3d1291705331970561f11ea57c2c25d9fdd4f1a8d3</originalsourceid><addsrcrecordid>eNqFkMtOwzAQRS0EEqXwC8gS6xQ_4jx2oAoKohKbIrGzHHvcOqRJsNOq_XtcBdasrjRz587MQeiWkhklNLuvZ6522x7a9YwRRmORF4ydoQkt8jLhgpTnaEJyniZ5yj8v0VUINSE0J4JM0NtqAxisBT3gzmI49E0X3B6w3ii_Blwp_eXaNXYt1rEDSe-7g9u64YiV80nVqDDgplMmmq7RhVVNgJtfnaKP56fV_CVZvi9e54_LRPOiGBLOaFUJotJMUW4rJgqda624oaw8XcU5LaNk1FIKSuSaaSZMaY1JLVWF4VN0N-bGW753EAZZdzvfxpWSCVKIkmcZj65sdGnfheDByt67rfJHSYk8gZO1_AMnT-DkCC4OPoyDEH_YO_AyaAetBuN8xCRN5_6L-AFkj3m7</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2508593663</pqid></control><display><type>article</type><title>The effect of explosive charge backing in close-proximity air-blast loading</title><source>Access via ScienceDirect (Elsevier)</source><creator>Curry, R.J. ; Langdon, G.S.</creator><creatorcontrib>Curry, R.J. ; Langdon, G.S.</creatorcontrib><description>•Metal charge backing increases the impulse transfer to a structure•Transient and permanent midpoint deflections increase with charge backing•Magnitude of impulse increase is not the same as deflection with charge backing•Numerical simulations reveal the effects of recirculation on the clamp boundary This paper presents new insights into the influence of explosive charge backing on the impulse transfer and transient response characteristics of plates subjected to close-proximity air blast loading. The results of the combine experimental and computational studies show the critical influence of charge backing, which caused between a 3-5 times increase in the impulse transfer when the charge was metal-backed. The permanent deflections from the metal-backed detonations were larger than for air, but not to the same degree as the impulse increase. These findings demonstrate the important influence of charge backing, in close proximity detonations, which greatly exceeded anything previously measured. These valuable insights will assist blast protection engineers considering the effects of explosions in situations when the charge backing is something other than air, which is a frequent occurrence in explosion scenarios.</description><identifier>ISSN: 0734-743X</identifier><identifier>EISSN: 1879-3509</identifier><identifier>DOI: 10.1016/j.ijimpeng.2021.103822</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Aerial explosions ; Blast loads ; blast response ; Blasting (explosive) ; charge backing ; Charge transfer ; plastic deformation ; plates ; Proximity ; Transient response</subject><ispartof>International journal of impact engineering, 2021-05, Vol.151, p.103822, Article 103822</ispartof><rights>2021</rights><rights>Copyright Elsevier BV May 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-321bb50a46a13fb258c7cca3d1291705331970561f11ea57c2c25d9fdd4f1a8d3</citedby><cites>FETCH-LOGICAL-c388t-321bb50a46a13fb258c7cca3d1291705331970561f11ea57c2c25d9fdd4f1a8d3</cites><orcidid>0000-0002-4873-7824</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijimpeng.2021.103822$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Curry, R.J.</creatorcontrib><creatorcontrib>Langdon, G.S.</creatorcontrib><title>The effect of explosive charge backing in close-proximity air-blast loading</title><title>International journal of impact engineering</title><description>•Metal charge backing increases the impulse transfer to a structure•Transient and permanent midpoint deflections increase with charge backing•Magnitude of impulse increase is not the same as deflection with charge backing•Numerical simulations reveal the effects of recirculation on the clamp boundary This paper presents new insights into the influence of explosive charge backing on the impulse transfer and transient response characteristics of plates subjected to close-proximity air blast loading. The results of the combine experimental and computational studies show the critical influence of charge backing, which caused between a 3-5 times increase in the impulse transfer when the charge was metal-backed. The permanent deflections from the metal-backed detonations were larger than for air, but not to the same degree as the impulse increase. These findings demonstrate the important influence of charge backing, in close proximity detonations, which greatly exceeded anything previously measured. These valuable insights will assist blast protection engineers considering the effects of explosions in situations when the charge backing is something other than air, which is a frequent occurrence in explosion scenarios.</description><subject>Aerial explosions</subject><subject>Blast loads</subject><subject>blast response</subject><subject>Blasting (explosive)</subject><subject>charge backing</subject><subject>Charge transfer</subject><subject>plastic deformation</subject><subject>plates</subject><subject>Proximity</subject><subject>Transient response</subject><issn>0734-743X</issn><issn>1879-3509</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkMtOwzAQRS0EEqXwC8gS6xQ_4jx2oAoKohKbIrGzHHvcOqRJsNOq_XtcBdasrjRz587MQeiWkhklNLuvZ6522x7a9YwRRmORF4ydoQkt8jLhgpTnaEJyniZ5yj8v0VUINSE0J4JM0NtqAxisBT3gzmI49E0X3B6w3ii_Blwp_eXaNXYt1rEDSe-7g9u64YiV80nVqDDgplMmmq7RhVVNgJtfnaKP56fV_CVZvi9e54_LRPOiGBLOaFUJotJMUW4rJgqda624oaw8XcU5LaNk1FIKSuSaaSZMaY1JLVWF4VN0N-bGW753EAZZdzvfxpWSCVKIkmcZj65sdGnfheDByt67rfJHSYk8gZO1_AMnT-DkCC4OPoyDEH_YO_AyaAetBuN8xCRN5_6L-AFkj3m7</recordid><startdate>202105</startdate><enddate>202105</enddate><creator>Curry, R.J.</creator><creator>Langdon, G.S.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><orcidid>https://orcid.org/0000-0002-4873-7824</orcidid></search><sort><creationdate>202105</creationdate><title>The effect of explosive charge backing in close-proximity air-blast loading</title><author>Curry, R.J. ; Langdon, G.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c388t-321bb50a46a13fb258c7cca3d1291705331970561f11ea57c2c25d9fdd4f1a8d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aerial explosions</topic><topic>Blast loads</topic><topic>blast response</topic><topic>Blasting (explosive)</topic><topic>charge backing</topic><topic>Charge transfer</topic><topic>plastic deformation</topic><topic>plates</topic><topic>Proximity</topic><topic>Transient response</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Curry, R.J.</creatorcontrib><creatorcontrib>Langdon, G.S.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical &amp; Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>International journal of impact engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Curry, R.J.</au><au>Langdon, G.S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of explosive charge backing in close-proximity air-blast loading</atitle><jtitle>International journal of impact engineering</jtitle><date>2021-05</date><risdate>2021</risdate><volume>151</volume><spage>103822</spage><pages>103822-</pages><artnum>103822</artnum><issn>0734-743X</issn><eissn>1879-3509</eissn><abstract>•Metal charge backing increases the impulse transfer to a structure•Transient and permanent midpoint deflections increase with charge backing•Magnitude of impulse increase is not the same as deflection with charge backing•Numerical simulations reveal the effects of recirculation on the clamp boundary This paper presents new insights into the influence of explosive charge backing on the impulse transfer and transient response characteristics of plates subjected to close-proximity air blast loading. The results of the combine experimental and computational studies show the critical influence of charge backing, which caused between a 3-5 times increase in the impulse transfer when the charge was metal-backed. The permanent deflections from the metal-backed detonations were larger than for air, but not to the same degree as the impulse increase. These findings demonstrate the important influence of charge backing, in close proximity detonations, which greatly exceeded anything previously measured. These valuable insights will assist blast protection engineers considering the effects of explosions in situations when the charge backing is something other than air, which is a frequent occurrence in explosion scenarios.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijimpeng.2021.103822</doi><orcidid>https://orcid.org/0000-0002-4873-7824</orcidid><oa>free_for_read</oa></addata></record>
fulltext fulltext
identifier ISSN: 0734-743X
ispartof International journal of impact engineering, 2021-05, Vol.151, p.103822, Article 103822
issn 0734-743X
1879-3509
language eng
recordid cdi_proquest_journals_2508593663
source Access via ScienceDirect (Elsevier)
subjects Aerial explosions
Blast loads
blast response
Blasting (explosive)
charge backing
Charge transfer
plastic deformation
plates
Proximity
Transient response
title The effect of explosive charge backing in close-proximity air-blast loading
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-24T00%3A04%3A14IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=The%20effect%20of%20explosive%20charge%20backing%20in%20close-proximity%20air-blast%20loading&rft.jtitle=International%20journal%20of%20impact%20engineering&rft.au=Curry,%20R.J.&rft.date=2021-05&rft.volume=151&rft.spage=103822&rft.pages=103822-&rft.artnum=103822&rft.issn=0734-743X&rft.eissn=1879-3509&rft_id=info:doi/10.1016/j.ijimpeng.2021.103822&rft_dat=%3Cproquest_cross%3E2508593663%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2508593663&rft_id=info:pmid/&rft_els_id=S0734743X21000099&rfr_iscdi=true