Article(id=1309639548422938659, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1309639547655385469, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20250226, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790172000270, onlineDateStr=2026-09-23, pubDate=1777910400000, pubDateStr=2026-05-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790172000270, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790172000270, creator=13701087609, updateTime=1790172000270, updator=13701087609, issue=Issue{id=1309639547655385469, tenantId=1146029695717560320, journalId=1189645257101713411, year='2026', volume='', issue='5', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='1777910400000', pubDateStr='2026-05-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790172000087, creator='13701087609', updateTime=1790233756679, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309898573630763784, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1309639547655385469, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309898573630763785, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1309639547655385469, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=53, endPage=62, ext={EN=ArticleExt(id=1309639549052084260, articleId=1309639548422938659, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=An Experimental Investigation on Drag Reduction by V-Shaped Stream-Wise Grooves on DrivAer Model Surface, columnId=1309639548381000062, journalTitle=Automotive Digest, columnName=Special Topic on Automotive Intelligent Cockpit Technology, runingTitle=null, highlight=null, articleAbstract=

To optimize the low-drag aerodynamic configurations for new energy vehicles, flow control drag reduction methods are adopted into the low-drag design of new energy vehicles. An experimental investigation is conducted on the drag reduction effect of V-shaped streamwise grooves. Tests are performed in a low-speed recirculating wind tunnel using a DrivAer sedan model with both smooth and V-groove surfaces. Measurements include drag force, wake turbulence intensity, and vortex structures. The results show that within the Reynolds number (Re) range of 6×10⁵ to 3×10⁶, the drag coefficient decreases with increasing Re, and the V-groove surface exhibits a significant drag reduction effect. At Re=3×10⁶, the drag coefficient decreases by 0.003. The underlying mechanism is attributed to reduced wake turbulence intensity and smaller vortex scales, which aligns with turbulent drag reduction theory. These findings confirm the engineering applicability of V-shaped streamwise grooves and provide a new perspective for the low-drag aerodynamic design of new energy vehicles.

, authors=Feng Zhao, Huilin Zhang, Zihai Geng, Songqi Li, Yuting Chen, Shasha Niu, authorsList=Feng Zhao, Huilin Zhang, Zihai Geng, Songqi Li, Yuting Chen, Shasha Niu, authorCompany=null, correspAuthors=Zihai Geng, 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=1309639549316325413, articleId=1309639548422938659, tenantId=1146029695717560320, journalId=1189645257101713411, language=CN, title=DrivAer轿车表面V型流向沟槽减阻方法的试验研究, columnId=1309639548540383616, journalTitle=汽车文摘, columnName=汽车智能座舱技术专题, runingTitle=null, highlight=null, articleAbstract=

为了优化新能源汽车气动构型低风阻技术,将流动控制减阻方法引入新能源车低风阻设计中,针对V型流向沟槽减阻方法开展了试验研究。在低速回流风洞中,对光滑表面与V型沟槽表面的DrivAer轿车模型分别进行了阻力、尾流湍流度与旋涡结构的测量。结果表明:当Re处于6×10⁵~3×10⁶范围内,阻力系数随雷诺数增大而降低,V型流向沟槽具有显著减阻效果;当Re为3×10⁶时,阻力系数降低0.003,其作用机理体现为尾流湍流度下降与旋涡结构尺度减小,与湍流减阻理论一致,证实了V型流向沟槽在工程应用中的减阻价值,为新能源汽车的低风阻气动设计提供了新思路。

, authors=赵峰, 张惠林, 耿子海, 李松锜, 陈钰婷, 牛莎莎, authorsList=赵峰, 张惠林, 耿子海, 李松锜, 陈钰婷, 牛莎莎, authorCompany=null, correspAuthors=耿子海, authorNote=null, correspAuthorsNote=
耿子海(1973—),高级工程师,研究方向为汽车空气动力学、汽车风洞试验技术、流动显示与控制减阻等,。
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DrivAer轿车表面V型流向沟槽减阻方法的试验研究
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赵峰 , 张惠林 , 耿子海 , 李松锜 , 陈钰婷 , 牛莎莎
汽车文摘 | 汽车智能座舱技术专题 2026,(5): 53-62
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汽车文摘 |汽车智能座舱技术专题 2026 , (5) : 53 -62
DrivAer轿车表面V型流向沟槽减阻方法的试验研究
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赵峰, 张惠林, 耿子海 , 李松锜, 陈钰婷, 牛莎莎
作者信息
  • 比亚迪汽车工业有限公司,深圳 518100
通讯作者:
耿子海(1973—),高级工程师,研究方向为汽车空气动力学、汽车风洞试验技术、流动显示与控制减阻等,。
An Experimental Investigation on Drag Reduction by V-Shaped Stream-Wise Grooves on DrivAer Model Surface
Feng Zhao, Huilin Zhang, Zihai Geng , Songqi Li, Yuting Chen, Shasha Niu
Affiliations
  • BYD Auto Industry Co., Ltd., Shenzhen 518100
出版时间: 2026-05-05 doi: 10.19822/j.cnki.1671-6329.20250226
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为了优化新能源汽车气动构型低风阻技术,将流动控制减阻方法引入新能源车低风阻设计中,针对V型流向沟槽减阻方法开展了试验研究。在低速回流风洞中,对光滑表面与V型沟槽表面的DrivAer轿车模型分别进行了阻力、尾流湍流度与旋涡结构的测量。结果表明:当Re处于6×10⁵~3×10⁶范围内,阻力系数随雷诺数增大而降低,V型流向沟槽具有显著减阻效果;当Re为3×10⁶时,阻力系数降低0.003,其作用机理体现为尾流湍流度下降与旋涡结构尺度减小,与湍流减阻理论一致,证实了V型流向沟槽在工程应用中的减阻价值,为新能源汽车的低风阻气动设计提供了新思路。

新能源汽车  /  流动控制减阻  /  V型流向沟槽  /  湍流减阻机理

To optimize the low-drag aerodynamic configurations for new energy vehicles, flow control drag reduction methods are adopted into the low-drag design of new energy vehicles. An experimental investigation is conducted on the drag reduction effect of V-shaped streamwise grooves. Tests are performed in a low-speed recirculating wind tunnel using a DrivAer sedan model with both smooth and V-groove surfaces. Measurements include drag force, wake turbulence intensity, and vortex structures. The results show that within the Reynolds number (Re) range of 6×10⁵ to 3×10⁶, the drag coefficient decreases with increasing Re, and the V-groove surface exhibits a significant drag reduction effect. At Re=3×10⁶, the drag coefficient decreases by 0.003. The underlying mechanism is attributed to reduced wake turbulence intensity and smaller vortex scales, which aligns with turbulent drag reduction theory. These findings confirm the engineering applicability of V-shaped streamwise grooves and provide a new perspective for the low-drag aerodynamic design of new energy vehicles.

New energy vehicle  /  Flow control for drag reduction  /  V-shaped flow groove  /  Mechanism of turbulence drag reduction
赵峰, 张惠林, 耿子海, 李松锜, 陈钰婷, 牛莎莎. DrivAer轿车表面V型流向沟槽减阻方法的试验研究. 汽车文摘, 2026 , (5) : 53 -62 . DOI: 10.19822/j.cnki.1671-6329.20250226
Feng Zhao, Huilin Zhang, Zihai Geng, Songqi Li, Yuting Chen, Shasha Niu. An Experimental Investigation on Drag Reduction by V-Shaped Stream-Wise Grooves on DrivAer Model Surface[J]. Automotive Digest, 2026 , (5) : 53 -62 . DOI: 10.19822/j.cnki.1671-6329.20250226

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doi: 10.19822/j.cnki.1671-6329.20250226
  • 首发时间:2026-09-23
  • 出版时间:2026-05-05
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    比亚迪汽车工业有限公司,深圳 518100

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耿子海(1973—),高级工程师,研究方向为汽车空气动力学、汽车风洞试验技术、流动显示与控制减阻等,。
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2种不同金属材料的力学参数
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属
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species
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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