Study on Flow Characteristics of Hydraulic Suction of Seabed Ore Particles
Efficient and environmentally friendly ore collecting operation requires that the ore collecting head can provide just enough suction to start the ore particles in different working conditions. In this work, computational fluid dynamics and discrete element method (CFD-DEM) is used to simulate the h...
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description | Efficient and environmentally friendly ore collecting operation requires that the ore collecting head can provide just enough suction to start the ore particles in different working conditions. In this work, computational fluid dynamics and discrete element method (CFD-DEM) is used to simulate the hydraulic suction process of ore particles. After analyzing the pressure and velocity characteristics of the flow field, the effects of different suction velocities on the lateral displacement offset, drag coefficient Cd and Reynolds number Rep of particles are studied. It is determined that the lifting force is caused by the different flow velocities of the upper and lower flow fields; particle start-up time and the lateral offset are inversely proportional to suction speed. When h/d ≥ 2.25, the vertical force on particles is no longer affected by h/d. When S/d = 2.5, FZ decreases to 0 N; when h/d increases from 1.5 to 1.75, FZ decreases by nearly half. Three empirical equations for FZ represented by D/d, h/d, and S/d are obtained. After integrating the above three equations, the functional relationship of FZ with D/d, h/d and S/d is finally obtained within a certain range. The errors of the equations are within 6%. The particle stress characteristics obtained in this paper can be applied to the establishment of ore collecting performance prediction model and provide data support for the research and development of intelligent ore collecting equipment. |
doi_str_mv | 10.3390/pr11051376 |
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In this work, computational fluid dynamics and discrete element method (CFD-DEM) is used to simulate the hydraulic suction process of ore particles. After analyzing the pressure and velocity characteristics of the flow field, the effects of different suction velocities on the lateral displacement offset, drag coefficient Cd and Reynolds number Rep of particles are studied. It is determined that the lifting force is caused by the different flow velocities of the upper and lower flow fields; particle start-up time and the lateral offset are inversely proportional to suction speed. When h/d ≥ 2.25, the vertical force on particles is no longer affected by h/d. When S/d = 2.5, FZ decreases to 0 N; when h/d increases from 1.5 to 1.75, FZ decreases by nearly half. Three empirical equations for FZ represented by D/d, h/d, and S/d are obtained. After integrating the above three equations, the functional relationship of FZ with D/d, h/d and S/d is finally obtained within a certain range. The errors of the equations are within 6%. The particle stress characteristics obtained in this paper can be applied to the establishment of ore collecting performance prediction model and provide data support for the research and development of intelligent ore collecting equipment.</description><identifier>ISSN: 2227-9717</identifier><identifier>EISSN: 2227-9717</identifier><identifier>DOI: 10.3390/pr11051376</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Collectors ; Computational fluid dynamics ; Discrete element method ; Drag coefficients ; Efficiency ; Empirical equations ; Experiments ; Flow characteristics ; Flow velocity ; Fluid dynamics ; Fluid flow ; Hydraulics ; Lateral displacement ; Mathematical models ; Mining ; Ocean bottom ; Ocean floor ; Performance prediction ; Prediction models ; R&D ; Research & development ; Reynolds number ; Simulation ; Suction ; Velocity ; Vertical forces</subject><ispartof>Processes, 2023-05, Vol.11 (5), p.1376</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><rights>2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c293t-410bd6e4824c5c4244cef607f6a622389ecfaad6f99f906b9a83192f1a31ff773</cites><orcidid>0000-0001-6365-7753</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Xia, Qiu</creatorcontrib><creatorcontrib>Jia, Hao</creatorcontrib><creatorcontrib>Sun, Jiuchun</creatorcontrib><creatorcontrib>Xi, Xiaoguang</creatorcontrib><creatorcontrib>Cui, Jingyu</creatorcontrib><title>Study on Flow Characteristics of Hydraulic Suction of Seabed Ore Particles</title><title>Processes</title><description>Efficient and environmentally friendly ore collecting operation requires that the ore collecting head can provide just enough suction to start the ore particles in different working conditions. In this work, computational fluid dynamics and discrete element method (CFD-DEM) is used to simulate the hydraulic suction process of ore particles. After analyzing the pressure and velocity characteristics of the flow field, the effects of different suction velocities on the lateral displacement offset, drag coefficient Cd and Reynolds number Rep of particles are studied. It is determined that the lifting force is caused by the different flow velocities of the upper and lower flow fields; particle start-up time and the lateral offset are inversely proportional to suction speed. When h/d ≥ 2.25, the vertical force on particles is no longer affected by h/d. When S/d = 2.5, FZ decreases to 0 N; when h/d increases from 1.5 to 1.75, FZ decreases by nearly half. Three empirical equations for FZ represented by D/d, h/d, and S/d are obtained. After integrating the above three equations, the functional relationship of FZ with D/d, h/d and S/d is finally obtained within a certain range. The errors of the equations are within 6%. The particle stress characteristics obtained in this paper can be applied to the establishment of ore collecting performance prediction model and provide data support for the research and development of intelligent ore collecting equipment.</description><subject>Collectors</subject><subject>Computational fluid dynamics</subject><subject>Discrete element method</subject><subject>Drag coefficients</subject><subject>Efficiency</subject><subject>Empirical equations</subject><subject>Experiments</subject><subject>Flow characteristics</subject><subject>Flow velocity</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Hydraulics</subject><subject>Lateral displacement</subject><subject>Mathematical models</subject><subject>Mining</subject><subject>Ocean bottom</subject><subject>Ocean floor</subject><subject>Performance prediction</subject><subject>Prediction models</subject><subject>R&D</subject><subject>Research & development</subject><subject>Reynolds number</subject><subject>Simulation</subject><subject>Suction</subject><subject>Velocity</subject><subject>Vertical forces</subject><issn>2227-9717</issn><issn>2227-9717</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpNUE1LAzEQDaJgqb34CwLehK352mRzLMVapVCheg5pNtGU7aYmWaT_vpEKOjMww-O9GeYBcIvRlFKJHg4RY1RjKvgFGBFCRCUFFpf_5mswSWmHSkhMm5qPwMsmD-0Rhh4uuvAN5586apNt9Cl7k2BwcHlsox46b-BmMNkXZgE3Vm9tC9fRwlcdC7Wz6QZcOd0lO_ntY_C-eHybL6vV-ul5PltVhkiaK4bRtuWWNYSZ2jDCmLGOI-G45oTQRlrjtG65k9JJxLdSNxRL4rCm2Dkh6BjcnfceYvgabMpqF4bYl5OKNFgyUaourOmZ9aE7q3zvQi6flWzt3pvQW-cLPhM1kpLVDS-C-7PAxJBStE4dot_reFQYqR9_1Z-_9AQwh2uv</recordid><startdate>20230502</startdate><enddate>20230502</enddate><creator>Xia, Qiu</creator><creator>Jia, Hao</creator><creator>Sun, Jiuchun</creator><creator>Xi, Xiaoguang</creator><creator>Cui, Jingyu</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>LK8</scope><scope>M7P</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0001-6365-7753</orcidid></search><sort><creationdate>20230502</creationdate><title>Study on Flow Characteristics of Hydraulic Suction of Seabed Ore Particles</title><author>Xia, Qiu ; Jia, Hao ; Sun, Jiuchun ; Xi, Xiaoguang ; Cui, Jingyu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-410bd6e4824c5c4244cef607f6a622389ecfaad6f99f906b9a83192f1a31ff773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Collectors</topic><topic>Computational fluid dynamics</topic><topic>Discrete element method</topic><topic>Drag coefficients</topic><topic>Efficiency</topic><topic>Empirical equations</topic><topic>Experiments</topic><topic>Flow characteristics</topic><topic>Flow velocity</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Hydraulics</topic><topic>Lateral displacement</topic><topic>Mathematical models</topic><topic>Mining</topic><topic>Ocean bottom</topic><topic>Ocean floor</topic><topic>Performance prediction</topic><topic>Prediction models</topic><topic>R&D</topic><topic>Research & development</topic><topic>Reynolds number</topic><topic>Simulation</topic><topic>Suction</topic><topic>Velocity</topic><topic>Vertical forces</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xia, Qiu</creatorcontrib><creatorcontrib>Jia, Hao</creatorcontrib><creatorcontrib>Sun, Jiuchun</creatorcontrib><creatorcontrib>Xi, Xiaoguang</creatorcontrib><creatorcontrib>Cui, Jingyu</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>ProQuest Biological Science Collection</collection><collection>Biological Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Processes</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xia, Qiu</au><au>Jia, Hao</au><au>Sun, Jiuchun</au><au>Xi, Xiaoguang</au><au>Cui, Jingyu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on Flow Characteristics of Hydraulic Suction of Seabed Ore Particles</atitle><jtitle>Processes</jtitle><date>2023-05-02</date><risdate>2023</risdate><volume>11</volume><issue>5</issue><spage>1376</spage><pages>1376-</pages><issn>2227-9717</issn><eissn>2227-9717</eissn><abstract>Efficient and environmentally friendly ore collecting operation requires that the ore collecting head can provide just enough suction to start the ore particles in different working conditions. In this work, computational fluid dynamics and discrete element method (CFD-DEM) is used to simulate the hydraulic suction process of ore particles. After analyzing the pressure and velocity characteristics of the flow field, the effects of different suction velocities on the lateral displacement offset, drag coefficient Cd and Reynolds number Rep of particles are studied. It is determined that the lifting force is caused by the different flow velocities of the upper and lower flow fields; particle start-up time and the lateral offset are inversely proportional to suction speed. When h/d ≥ 2.25, the vertical force on particles is no longer affected by h/d. When S/d = 2.5, FZ decreases to 0 N; when h/d increases from 1.5 to 1.75, FZ decreases by nearly half. Three empirical equations for FZ represented by D/d, h/d, and S/d are obtained. After integrating the above three equations, the functional relationship of FZ with D/d, h/d and S/d is finally obtained within a certain range. The errors of the equations are within 6%. The particle stress characteristics obtained in this paper can be applied to the establishment of ore collecting performance prediction model and provide data support for the research and development of intelligent ore collecting equipment.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/pr11051376</doi><orcidid>https://orcid.org/0000-0001-6365-7753</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Collectors Computational fluid dynamics Discrete element method Drag coefficients Efficiency Empirical equations Experiments Flow characteristics Flow velocity Fluid dynamics Fluid flow Hydraulics Lateral displacement Mathematical models Mining Ocean bottom Ocean floor Performance prediction Prediction models R&D Research & development Reynolds number Simulation Suction Velocity Vertical forces |
title | Study on Flow Characteristics of Hydraulic Suction of Seabed Ore Particles |
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