Article(id=1149776901142704162, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2402953, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713715200000, receivedDateStr=2024-04-22, revisedDate=1722268800000, revisedDateStr=2024-07-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1752057775053, onlineDateStr=2025-07-09, pubDate=1744905600000, pubDateStr=2025-04-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752057775053, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752057775053, creator=13701087609, updateTime=1752057775053, updator=13701087609, issue=Issue{id=1149776900194791454, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='11', pageStart='4397', pageEnd='4826', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752057774827, creator=13701087609, updateTime=1768456666677, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218558837930512931, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218558837930512932, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=4526, endPage=4533, ext={EN=ArticleExt(id=1149776901348225061, articleId=1149776901142704162, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Prediction of Nozzle Erosion Wear Based on Machine Learning Algorithm, columnId=1156262729003422020, journalTitle=Science Technology and Engineering, columnName=Papers·Petroleum and Natural Gas Industry, runingTitle=null, highlight=null, articleAbstract=
After fracturing, the solid particles carried by the high speed liquid will cause serious erosion to the oil nozzle, and it is difficult to ensure the stable operation of the oil nozzle. To address the serious erosion problem of the nozzle, numerical simulation was employed to study the erosion wear of the nozzle, and the influence patterns of sand content, sand grain diameter, sand grain density, pump displacement, and liquid viscosity on the erosion wear of the nozzle were analyzed. The research indicates that: when the sand content and liquid viscosity increase, the maximum erosion rate exhibits linear growth; when the sand grain density and pump displacement increase, the maximum erosion rate exhibits exponential growth; and when the sand grain diameter increases, the maximum erosion rate shows exponential decrease. The orthogonal test method is used to judge the significance of each factor. The factors affecting the erosion wear of the nozzle are as follows: sand content ratio > pump displacement > sand density > sand diameter > liquid viscosity.Based on the results of numerical simulation, the machine learning method is used to compare and analyze SVR(support vector regression), CNN(convolutional neural network), BP(back propagation) neural network and RFR(random forest regression) algorithm to predict the erosion wear results of oil nozzle respectively. By preferring the SVR algorithm and adopting the particle swarm optimization algorithm to optimize the prediction model, a better nozzle erosion prediction model is obtained.
, correspAuthors=Shao-hu LIU, 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, authorCompany=null, fund=null, authors=null, authorsList=Ruo-wen LI, Shao-hu LIU, Ze-qing XU, Suo-nan WANG), CN=ArticleExt(id=1149776933245907842, articleId=1149776901142704162, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于机器学习算法的油嘴冲蚀磨损预测, columnId=1156262729603207500, journalTitle=科学技术与工程, columnName=论文·石油、天然气工业, runingTitle=null, highlight=null, articleAbstract=
压裂后返排高速液体携带固体颗粒对油嘴造成严重冲蚀,难以保证油嘴稳定运行。针对油嘴冲蚀严重的问题,采用数值模拟的方法对油嘴冲蚀磨损进行研究,分析了含砂比、砂粒直径、砂粒密度、泵排量和液体黏度对油嘴冲蚀磨损的影响规律。研究表明:含砂比和液体黏度增大时,最大冲蚀率呈线性增长;砂粒密度和泵排量的增大时,最大冲蚀率呈指数增长;砂粒直径增大时,最大冲蚀率呈指数降低。采用正交试验法判断各个因素的显著性,影响油嘴冲蚀磨损的因素依次为:含沙比>泵排量>砂粒密度>砂粒直径>液体黏度。基于数值模拟的结果,采用机器学习的方法,对比分析支持向量机回归(support vector regression,SVR)、卷积神经网络(convolutional neural network,CNN)、BP(back propagation)神经网络神经网络和随机森林回归(random forest regression,RFR)算法分别进行油嘴冲蚀磨损结果预测。优选SVR算法,采用粒子群算法对预测模型进行优化,得到较优油嘴冲蚀预测模型。
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, authorsList=李若雯, 刘少胡, 徐泽庆, 王锁男)}, authors=[Author(id=1218843907572552516, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=3022123378@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1218843907719353170, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, authorId=1218843907572552516, language=EN, stringName=Ruo-wen LI, firstName=Ruo-wen, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1218843907840987996, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, authorId=1218843907572552516, language=CN, stringName=李若雯, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=长江大学机械工程学院, 荆州 434023, bio={"content":"
李若雯(2000—),女,汉族,河南南阳人,硕士研究生。研究方向:冲蚀磨损,压裂管汇流致振动。E-mail:3022123378@qq.com。
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李若雯(2000—),女,汉族,河南南阳人,硕士研究生。研究方向:冲蚀磨损,压裂管汇流致振动。E-mail:3022123378@qq.com。
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Journal of Laser Applications,
2019,
31(2): 022016., articleTitle=Prediction of optimal cut quality characteristic of Inconel 718 sheet by genetic algorithm and particle swarm optimization, refAbstract=null)], funds=[Fund(id=1218843915453649384, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, awardId=52374002, language=CN, fundingSource=国家自然科学基金(52374002), fundOrder=null, country=null), Fund(id=1218843915566895599, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, awardId=51974036, language=CN, fundingSource=国家自然科学基金(51974036), fundOrder=null, country=null), Fund(id=1218843915722084856, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, awardId=T2021035, language=CN, fundingSource=湖北省高等学校优秀中青年科技创新团队计划(T2021035), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1218843907413168947, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, xref=null, ext=[AuthorCompanyExt(id=1218843907417363252, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, companyId=1218843907413168947, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China), AuthorCompanyExt(id=1218843907425751861, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, companyId=1218843907413168947, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=长江大学机械工程学院, 荆州 434023)])], figs=[ArticleFig(id=1218843910907023466, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.1, caption=
Nozzle site photo and model grid diagram, figureFileSmall=q0gsZzrzmMtjNTcx2RsmsQ==, figureFileBig=qLtVWMpDKbqj7jwqV5kUqw==, tableContent=null), ArticleFig(id=1218843911099961463, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图1, caption=
油嘴现场照片及模型网格图, figureFileSmall=q0gsZzrzmMtjNTcx2RsmsQ==, figureFileBig=qLtVWMpDKbqj7jwqV5kUqw==, tableContent=null), ArticleFig(id=1218843911309676683, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.2, caption=
Nozzle erosion wear cloud and nozzle erosion after the physical picture, figureFileSmall=M78B/ZKMwEx58Igq+1KY4w==, figureFileBig=/Y7+XS7o8VvHTcuvqJf/IQ==, tableContent=null), ArticleFig(id=1218843911452283030, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图2, caption=
油嘴冲蚀磨损云图及油嘴冲蚀后实物图, figureFileSmall=M78B/ZKMwEx58Igq+1KY4w==, figureFileBig=/Y7+XS7o8VvHTcuvqJf/IQ==, tableContent=null), ArticleFig(id=1218843911582306464, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.3, caption=
Influence of sand ratio on nozzle erosion under different pump displacement, figureFileSmall=wt2k43o47VRCJ5uYu4VV7Q==, figureFileBig=AUeYOza85/4VVIOIEv8GBA==, tableContent=null), ArticleFig(id=1218843911703941292, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图3, caption=
不同泵排量下含砂比对油嘴冲蚀的影响, figureFileSmall=wt2k43o47VRCJ5uYu4VV7Q==, figureFileBig=AUeYOza85/4VVIOIEv8GBA==, tableContent=null), ArticleFig(id=1218843911812993207, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.4, caption=
Influence of particle diameter on nozzle erosion under different pump displacement, figureFileSmall=CikOPjnX4N8Drx+ZHiwoTA==, figureFileBig=plHiU3MGmWQtYOpnobmESQ==, tableContent=null), ArticleFig(id=1218843911934628032, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图4, caption=
不同泵排量下砂粒直径对油嘴冲蚀的影响, figureFileSmall=CikOPjnX4N8Drx+ZHiwoTA==, figureFileBig=plHiU3MGmWQtYOpnobmESQ==, tableContent=null), ArticleFig(id=1218843912056262861, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.5, caption=
Influence of sand density on nozzle erosion under different pump displacement, figureFileSmall=0tQA7IaVDazx77r3Ckbzww==, figureFileBig=DACVknw8p2oonEq5mzn2eA==, tableContent=null), ArticleFig(id=1218843912161120471, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图5, caption=
不同泵排量下砂粒密度对油嘴冲蚀的影响, figureFileSmall=0tQA7IaVDazx77r3Ckbzww==, figureFileBig=DACVknw8p2oonEq5mzn2eA==, tableContent=null), ArticleFig(id=1218843912295338208, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.6, caption=
Effect of pump displacement on nozzle erosion, figureFileSmall=F92uTPTZmDa81PZ8p+b35g==, figureFileBig=uTzngdMPcvECBC4uE7FMYw==, tableContent=null), ArticleFig(id=1218843912425361642, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图6, caption=
泵排量对油嘴冲蚀的影响, figureFileSmall=F92uTPTZmDa81PZ8p+b35g==, figureFileBig=uTzngdMPcvECBC4uE7FMYw==, tableContent=null), ArticleFig(id=1218843912546996471, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.7, caption=
Influence of liquid viscosity on nozzle erosion under different pump displacement, figureFileSmall=FB+CWg96RVcar8Lt0ji0Sw==, figureFileBig=bAVNBUkMNv391lgc9t+tVA==, tableContent=null), ArticleFig(id=1218843912656048387, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图7, caption=
不同泵排量下液体黏度对油嘴冲蚀的影响, figureFileSmall=FB+CWg96RVcar8Lt0ji0Sw==, figureFileBig=bAVNBUkMNv391lgc9t+tVA==, tableContent=null), ArticleFig(id=1218843912781877524, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.8, caption=
Trend chart of factor levels and indicators, figureFileSmall=ZxOQrOVMrbqtHYuu7UfGJw==, figureFileBig=+HZf0+NCWShE4LXXpWnikw==, tableContent=null), ArticleFig(id=1218843912941261094, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图8, caption=
因素水平和指标的趋势, figureFileSmall=ZxOQrOVMrbqtHYuu7UfGJw==, figureFileBig=+HZf0+NCWShE4LXXpWnikw==, tableContent=null), ArticleFig(id=1218843913092256046, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.9, caption=
Comparison of training set and test set results, figureFileSmall=pUOfBvNPh4TdnuZVk+GOMQ==, figureFileBig=4BciRPJrlh39ysTZvOdeBA==, tableContent=null), ArticleFig(id=1218843913201307961, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图9, caption=
训练集和测试集结果对比, figureFileSmall=pUOfBvNPh4TdnuZVk+GOMQ==, figureFileBig=4BciRPJrlh39ysTZvOdeBA==, tableContent=null), ArticleFig(id=1218843913318748482, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.10, caption=
PSO-SVR flow chart, figureFileSmall=qgbmQ95S/Z+tJai7p9/uig==, figureFileBig=QHJspT0oklHKeGpdFz5y2A==, tableContent=null), ArticleFig(id=1218843913385857357, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图10, caption=
POS-SVR流程图, figureFileSmall=qgbmQ95S/Z+tJai7p9/uig==, figureFileBig=QHJspT0oklHKeGpdFz5y2A==, tableContent=null), ArticleFig(id=1218843913494909271, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Fig.11, caption=
Comparison of actual and predicted values, figureFileSmall=K/7l6Qw5B4xaQLYHZ2NQ8w==, figureFileBig=J6EYw33dVgFynfppNEUVmg==, tableContent=null), ArticleFig(id=1218843913620738401, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=图11, caption=
实际值和预测值对比, figureFileSmall=K/7l6Qw5B4xaQLYHZ2NQ8w==, figureFileBig=J6EYw33dVgFynfppNEUVmg==, tableContent=null), ArticleFig(id=1218843913738178923, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 1, caption=
Boundary condition
, figureFileSmall=null, figureFileBig=null, tableContent=
| 边界条件 | 参数 |
| 液体密度/(kg·m-3) | 1.03×103 |
| 液体黏度/(Pa·s) | 3.8×10-2 |
| 砂粒密度/(kg·m-3) | 2.3×103 |
| 单个砂粒直径/mm | 0.254 |
| 含砂比/% | 5 |
| 入口速度/(m·s-1) | 3.67 |
| 出口压力/MPa | 15 |
| 入口位置 | 小孔(45 mm)进 |
), ArticleFig(id=1218843913843036530, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表1, caption=
边界条件
, figureFileSmall=null, figureFileBig=null, tableContent=
| 边界条件 | 参数 |
| 液体密度/(kg·m-3) | 1.03×103 |
| 液体黏度/(Pa·s) | 3.8×10-2 |
| 砂粒密度/(kg·m-3) | 2.3×103 |
| 单个砂粒直径/mm | 0.254 |
| 含砂比/% | 5 |
| 入口速度/(m·s-1) | 3.67 |
| 出口压力/MPa | 15 |
| 入口位置 | 小孔(45 mm)进 |
), ArticleFig(id=1218843913943699836, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 2, caption=
Factor level table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | 含砂 比/% | 砂粒直 径/mm | 泵排量/ (L·min-1) | 砂粒密度/ (g·cm-3) | 液体黏度/ (Pa·s) |
| 1 | 1 | 0.154 | 250 | 0.3 | 0.018 |
| 2 | 3 | 0.254 | 300 | 1.3 | 0.028 |
| 3 | 5 | 0.354 | 350 | 2.3 | 0.038 |
| 4 | 7 | 0.454 | 400 | 3.3 | 0.048 |
| 5 | 9 | 0.554 | 450 | 4.3 | 0.058 |
), ArticleFig(id=1218843914035974529, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表2, caption=
因素水平表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | 含砂 比/% | 砂粒直 径/mm | 泵排量/ (L·min-1) | 砂粒密度/ (g·cm-3) | 液体黏度/ (Pa·s) |
| 1 | 1 | 0.154 | 250 | 0.3 | 0.018 |
| 2 | 3 | 0.254 | 300 | 1.3 | 0.028 |
| 3 | 5 | 0.354 | 350 | 2.3 | 0.038 |
| 4 | 7 | 0.454 | 400 | 3.3 | 0.048 |
| 5 | 9 | 0.554 | 450 | 4.3 | 0.058 |
), ArticleFig(id=1218843914157609355, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 3, caption=
Experimental scheme and results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 含砂 比/% | 砂粒直 径/mm | 泵排量/ (L·min-1) | 砂粒 密度/ (g·cm-3) | 液体 黏度/ (Pa·s) | 最大冲 蚀率/ (10-3 kg· m-2·s-1) |
| 1 | 1 | 0.054 | 250 | 0.3 | 0.058 | 3.07 |
| 2 | 1 | 0.154 | 350 | 3.3 | 0.048 | 5.78 |
| 3 | 1 | 0.254 | 450 | 1.3 | 0.038 | 6.00 |
| 4 | 1 | 0.354 | 300 | 4.3 | 0.028 | 1.82 |
| 5 | 1 | 0.454 | 400 | 2.3 | 0.018 | 4.05 |
| 6 | 3 | 0.054 | 450 | 3.3 | 0.028 | 18.90 |
| 7 | 3 | 0.154 | 300 | 1.3 | 0.018 | 5.72 |
| 8 | 3 | 0.254 | 400 | 4.3 | 0.058 | 22.40 |
| 9 | 3 | 0.354 | 250 | 2.3 | 0.048 | 2.51 |
| 10 | 3 | 0.454 | 350 | 0.3 | 0.038 | 17.70 |
| 11 | 5 | 0.054 | 400 | 1.3 | 0.048 | 11.80 |
| 12 | 5 | 0.154 | 250 | 4.3 | 0.038 | 9.29 |
| 13 | 5 | 0.254 | 350 | 2.3 | 0.028 | 16.10 |
| 14 | 5 | 0.354 | 450 | 0.3 | 0.018 | 10.60 |
| 15 | 5 | 0.454 | 300 | 3.3 | 0.058 | 8.78 |
| 16 | 7 | 0.054 | 350 | 4.3 | 0.018 | 19.20 |
| 17 | 7 | 0.154 | 450 | 2.3 | 0.058 | 9.49 |
| 18 | 7 | 0.254 | 300 | 0.3 | 0.048 | 5.17 |
| 19 | 7 | 0.354 | 400 | 3.3 | 0.038 | 30.80 |
| 20 | 7 | 0.454 | 250 | 1.3 | 0.028 | 3.55 |
| 21 | 9 | 0.054 | 300 | 2.3 | 0.038 | 9.23 |
| 22 | 9 | 0.154 | 400 | 0.3 | 0.028 | 22.50 |
| 23 | 9 | 0.254 | 250 | 3.3 | 0.018 | 9.65 |
| 24 | 9 | 0.354 | 350 | 1.3 | 0.058 | 23.20 |
| 25 | 9 | 0.454 | 450 | 4.3 | 0.048 | 56.00 |
), ArticleFig(id=1218843914241495440, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表3, caption=
试验方案及结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 含砂 比/% | 砂粒直 径/mm | 泵排量/ (L·min-1) | 砂粒 密度/ (g·cm-3) | 液体 黏度/ (Pa·s) | 最大冲 蚀率/ (10-3 kg· m-2·s-1) |
| 1 | 1 | 0.054 | 250 | 0.3 | 0.058 | 3.07 |
| 2 | 1 | 0.154 | 350 | 3.3 | 0.048 | 5.78 |
| 3 | 1 | 0.254 | 450 | 1.3 | 0.038 | 6.00 |
| 4 | 1 | 0.354 | 300 | 4.3 | 0.028 | 1.82 |
| 5 | 1 | 0.454 | 400 | 2.3 | 0.018 | 4.05 |
| 6 | 3 | 0.054 | 450 | 3.3 | 0.028 | 18.90 |
| 7 | 3 | 0.154 | 300 | 1.3 | 0.018 | 5.72 |
| 8 | 3 | 0.254 | 400 | 4.3 | 0.058 | 22.40 |
| 9 | 3 | 0.354 | 250 | 2.3 | 0.048 | 2.51 |
| 10 | 3 | 0.454 | 350 | 0.3 | 0.038 | 17.70 |
| 11 | 5 | 0.054 | 400 | 1.3 | 0.048 | 11.80 |
| 12 | 5 | 0.154 | 250 | 4.3 | 0.038 | 9.29 |
| 13 | 5 | 0.254 | 350 | 2.3 | 0.028 | 16.10 |
| 14 | 5 | 0.354 | 450 | 0.3 | 0.018 | 10.60 |
| 15 | 5 | 0.454 | 300 | 3.3 | 0.058 | 8.78 |
| 16 | 7 | 0.054 | 350 | 4.3 | 0.018 | 19.20 |
| 17 | 7 | 0.154 | 450 | 2.3 | 0.058 | 9.49 |
| 18 | 7 | 0.254 | 300 | 0.3 | 0.048 | 5.17 |
| 19 | 7 | 0.354 | 400 | 3.3 | 0.038 | 30.80 |
| 20 | 7 | 0.454 | 250 | 1.3 | 0.028 | 3.55 |
| 21 | 9 | 0.054 | 300 | 2.3 | 0.038 | 9.23 |
| 22 | 9 | 0.154 | 400 | 0.3 | 0.028 | 22.50 |
| 23 | 9 | 0.254 | 250 | 3.3 | 0.018 | 9.65 |
| 24 | 9 | 0.354 | 350 | 1.3 | 0.058 | 23.20 |
| 25 | 9 | 0.454 | 450 | 4.3 | 0.048 | 56.00 |
), ArticleFig(id=1218843914346353048, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 4, caption=
Range analysis results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 含沙 比/% | 砂粒直 径/mm | 泵排量/ (L·min-1) | 沙粒密度/ (g·cm-3) | 液体黏度/ (Pa·s-1) |
| K1 | 20.72 | 62.20 | 28.07 | 59.04 | 49.22 |
| K2 | 67.23 | 52.78 | 30.72 | 50.27 | 62.87 |
| K3 | 56.57 | 59.32 | 81.98 | 41.38 | 73.02 |
| K4 | 68.21 | 68.93 | 91.55 | 73.91 | 81.26 |
| K5 | 120.58 | 90.08 | 100.99 | 108.71 | 66.94 |
| k1 | 4.14 | 12.44 | 5.61 | 11.81 | 9.84 |
| k2 | 13.45 | 10.56 | 6.144 | 10.05 | 12.57 |
| k3 | 11.31 | 11.86 | 16.40 | 8.28 | 14.60 |
| k4 | 13.64 | 13.79 | 18.31 | 14.78 | 16.25 |
| k5 | 24.12 | 18.02 | 20.20 | 21.74 | 13.39 |
| R | 19.98 | 7.46 | 14.59 | 13.46 | 6.41 |
), ArticleFig(id=1218843914434433440, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表4, caption=
极差分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 含沙 比/% | 砂粒直 径/mm | 泵排量/ (L·min-1) | 沙粒密度/ (g·cm-3) | 液体黏度/ (Pa·s-1) |
| K1 | 20.72 | 62.20 | 28.07 | 59.04 | 49.22 |
| K2 | 67.23 | 52.78 | 30.72 | 50.27 | 62.87 |
| K3 | 56.57 | 59.32 | 81.98 | 41.38 | 73.02 |
| K4 | 68.21 | 68.93 | 91.55 | 73.91 | 81.26 |
| K5 | 120.58 | 90.08 | 100.99 | 108.71 | 66.94 |
| k1 | 4.14 | 12.44 | 5.61 | 11.81 | 9.84 |
| k2 | 13.45 | 10.56 | 6.144 | 10.05 | 12.57 |
| k3 | 11.31 | 11.86 | 16.40 | 8.28 | 14.60 |
| k4 | 13.64 | 13.79 | 18.31 | 14.78 | 16.25 |
| k5 | 24.12 | 18.02 | 20.20 | 21.74 | 13.39 |
| R | 19.98 | 7.46 | 14.59 | 13.46 | 6.41 |
), ArticleFig(id=1218843914598011306, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 5, caption=
Anova result
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源 | 平方和 | 自由度 | 均方差 | F |
| 含砂比/% | 1.024 | 4 | 0.256 | 0.382 |
| 砂粒直径/mm | 0.164 | 4 | 0.041 | 0.061 |
| 泵排量/(L·min-1) | 0.963 | 4 | 0.241 | 0.360 |
| 砂粒密度/(g·cm-3) | 0.557 | 4 | 0.139 | 0.207 |
| 液体黏度(Pa·s) | 0.114 | 4 | 0.029 | 0.043 |
| 误差 | 0.266 | 4 | 0.067 | — |
), ArticleFig(id=1218843914740617655, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表5, caption=
方差分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源 | 平方和 | 自由度 | 均方差 | F |
| 含砂比/% | 1.024 | 4 | 0.256 | 0.382 |
| 砂粒直径/mm | 0.164 | 4 | 0.041 | 0.061 |
| 泵排量/(L·min-1) | 0.963 | 4 | 0.241 | 0.360 |
| 砂粒密度/(g·cm-3) | 0.557 | 4 | 0.139 | 0.207 |
| 液体黏度(Pa·s) | 0.114 | 4 | 0.029 | 0.043 |
| 误差 | 0.266 | 4 | 0.067 | — |
), ArticleFig(id=1218843914837086657, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 6, caption=
Error evaluation of different algorithms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 训练集 | | 测试集 |
| MAE | RMSE | R2 | MAE | RMSE | R2 |
| SVR | 0.029 4 | 0.051 4 | 0.958 0 | | 0.047 1 | 0.064 1 | 0.925 4 |
| CNN | 0.020 6 | 0.027 2 | 0.987 7 | | 0.056 9 | 0.069 3 | 0.920 9 |
| BP | 0.046 3 | 0.064 9 | 0.915 0 | | 0.076 6 | 0.110 4 | 0.857 5 |
| RFR | 0.037 5 | 0.054 1 | 0.953 3 | | 0.074 1 | 0.103 4 | 0.799 2 |
), ArticleFig(id=1218843914941944263, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表6, caption=
不同算法的误差评估
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 训练集 | | 测试集 |
| MAE | RMSE | R2 | MAE | RMSE | R2 |
| SVR | 0.029 4 | 0.051 4 | 0.958 0 | | 0.047 1 | 0.064 1 | 0.925 4 |
| CNN | 0.020 6 | 0.027 2 | 0.987 7 | | 0.056 9 | 0.069 3 | 0.920 9 |
| BP | 0.046 3 | 0.064 9 | 0.915 0 | | 0.076 6 | 0.110 4 | 0.857 5 |
| RFR | 0.037 5 | 0.054 1 | 0.953 3 | | 0.074 1 | 0.103 4 | 0.799 2 |
), ArticleFig(id=1218843915084550606, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=EN, label=Table 7, caption=
Error evaluation before and after optimization
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| 算法 | 训练集 | | 测试集 |
| MAE | RMSE | R2 | MAE | RMSE | R2 |
| 优化前 | 0.029 4 | 0.051 4 | 0.958 0 | | 0.047 1 | 0.064 1 | 0.925 4 |
| 优化后 | 0.011 7 | 0.015 7 | 0.995 3 | | 0.041 1 | 0.051 8 | 0.962 9 |
), ArticleFig(id=1218843915197796826, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776901142704162, language=CN, label=表7, caption=
优化前后的误差评估
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| 算法 | 训练集 | | 测试集 |
| MAE | RMSE | R2 | MAE | RMSE | R2 |
| 优化前 | 0.029 4 | 0.051 4 | 0.958 0 | | 0.047 1 | 0.064 1 | 0.925 4 |
| 优化后 | 0.011 7 | 0.015 7 | 0.995 3 | | 0.041 1 | 0.051 8 | 0.962 9 |
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