Article(id=1321893389818249549, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753027200000, receivedDateStr=2025-07-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093543724, onlineDateStr=2026-10-27, pubDate=1784908800000, pubDateStr=2026-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093543724, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093543724, creator=13701087609, updateTime=1793093543724, updator=13701087609, issue=Issue{id=1321893331622286028, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='7', pageStart='1', pageEnd='320', issueExtLink='null', onlineDate='null', pubDate='1784908800000', pubDateStr='2026-07-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793093529849, creator='13701087609', updateTime=1793094587578, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897768357048353, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897768357048354, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=143, endPage=149, ext={EN=ArticleExt(id=1321893390002798926, articleId=1321893389818249549, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Influence of Wind Speed on the Dust Migration Law of Bench Blasting in Open-Pit Mine, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To address the issue of poor efficiency of dust control in open-pit blasting, a geometric model of the flow field for bench blasting in open-pit mine was established using Fluent software. The influence of flow field distribution characteristics under different wind speeds on the migration law of blasting dust was studied, aiming to determine the optimal dust capture time, water bag position, and delayed activation time for water mist dust suppression technology. The results indicate that the flow develops a back-step flow pattern at the bench, forming distinct zones of high-speed and low-speed turbulence. As wind speed increases, the influence range of the high-speed and low-speed turbulent zones expands, and the time required for the flow field to become fully developed decreases. Concurrently, a structural vortex with a height matching the bench is formed. When the wind speed is constant, the blasting dust has a significant upward vertical movement and obvious horizontal movement in a short period of time, subsequently, the vertical upward movement becomes constrained while the horizontal travel distance increases substantially under the comprehensive influences of blasting impact, gravity and stable airflow. Within the wind speed range of 2.4 m/s to 4.4 m/s, the dust demonstrates prominent vertical movement within the first 4 seconds of blast and significant horizontal movement after 6 seconds of detonation. The vertical movement distance of the dust at the 4th second after blasting is about 30 m, and the horizontal movement distance of the dust at the 6th second after blasting is 22.6-23.5 m. Consequently, the optimal dust capture time is determined to be 4-6 s after blasting, and the optimal position of the water bag is determined to be 15-24 m from the bottom line of the bench slope, and the delayed excitation time of the water bag is Δt=T_f-T_s.

, authors=Peiyan Sui¹, Lihua Ke¹, Guangquan Zhang¹, Qihu Wang¹, Zhaoyun Huang², authorsList=Peiyan Sui, Lihua Ke, Guangquan Zhang, Qihu Wang, Zhaoyun Huang, authorCompany=null, correspAuthors=Lihua Ke, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321893390678081871, articleId=1321893389818249549, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=风速对露天矿台阶爆破粉尘运移规律影响研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

针对露天矿爆破粉尘治理成效不佳的问题，采用Fluent软件建立了露天矿台阶爆破流场几何模型，探究了不同风速条件下台阶爆破流场分布特征对爆破粉尘运移规律的影响，以确定水雾拦截技术的最佳爆破粉尘捕尘时间、水袋位置和水袋延迟激发时间。研究结果表明：风流在台阶处发生后台阶流动，形成高速湍流区和低速湍流区；随着风速增大，高速湍流区和低速湍流区的影响范围扩大，且贯通整个流场所需时间缩短，同时形成与台阶同高的结构涡流；风速一定时，在爆破冲击力、重力和稳定风流的综合影响下，爆破粉尘在短时间内发生显著的垂直向上与水平移动，随后其垂直向上移动受到制约，但其水平移动距离显著增加；当风速为2.4~4.4 m/s时，粉尘在爆破后4 s后的垂直移动和在爆破后6 s后的水平移动显著，爆破后第4 s的粉尘垂直移动距离约为30 m，爆破后第6 s的粉尘水平移动距离为22.6~23.5 m，因此，确定最佳捕尘时间为爆破后4~6 s，确定水袋的最佳位置为距离台阶坡底线15~24 m，水袋延迟激发时间为Δt=T_f-T_s。

, authors=隋沛言¹, 柯丽华¹, 张光权¹, 王其虎¹, 黄兆云², authorsList=隋沛言, 柯丽华, 张光权, 王其虎, 黄兆云, authorCompany=null, correspAuthors=柯丽华, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=UEuDt+O7hLeQwhfFZXXNpA==, magXml=44IlDXhyxJpUE26fcquX4Q==, pdfUrl=null, pdf=cZq8YoPj7ifXyW4YySMtJQ==, pdfFileSize=3088627, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=D49p5xEDDZ+cfbBDkguv2A==, mapNumber=null, fund=null)}, authors=[Author(id=1321893391126872407, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893389818249549, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=spy0022@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321893391219147097, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893389818249549, authorId=1321893391126872407, language=EN, stringName=Peiyan Sui, firstName=Peiyan, middleName=null, lastName=Sui, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321893391298838874, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893389818249549, authorId=1321893391126872407, language=CN, stringName=隋沛言, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．武汉科技大学 资源与环境工程学院，湖北 武汉　430081, bio={"content":"

隋沛言（2000—），男，山东烟台人，硕士研究生，主要从事矿山粉尘方面的研究。E-mail:spy0022@163.com

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隋沛言（2000—），男，山东烟台人，硕士研究生，主要从事矿山粉尘方面的研究。E-mail:spy0022@163.com

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