Article(id=1254362831797809514, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, articleNumber=null, orderNo=null, doi=10.13788/j.cnki.cbgc.2026.03.09, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743091200000, receivedDateStr=2025-03-28, revisedDate=1754323200000, revisedDateStr=2025-08-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1776993004034, onlineDateStr=2026-04-24, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776993004034, onlineIssueDateStr=2026-04-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776993004034, creator=13701087609, updateTime=1776993004034, updator=13701087609, issue=Issue{id=1254362823425974931, tenantId=1146029695717560320, journalId=1254119036117037056, year='2026', volume='48', issue='3', pageStart='1', pageEnd='190', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776993002036, creator=13701087609, updateTime=1776993258606, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1254363899764077151, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1254363899764077152, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=81, endPage=91, ext={EN=ArticleExt(id=1254362834259865989, articleId=1254362831797809514, tenantId=1146029695717560320, journalId=1254119036117037056, language=EN, title=Cavitation Flow of DDCL-PODE Mixed Fuel in a Nozzle, columnId=1254362833974661691, journalTitle=Ship Engineering, columnName=Ship Power, Propulsion Equipment and Auxiliary Equipment, runingTitle=null, highlight=null, articleAbstract=
[Purpose]

In order to study the potential application of the diesel fuel direct coal liquefaction diesel (DDCL) and polyoxymethylene dimethyl ethers (PODE) mixed fuel in marine diesel engines,

[Method]

the volume of fluid (VOF) method is adopted to simulate and study the influence of different fuels, nozzle hole conical and the angle between the nozzle hole and the needle valve axis on the cavitation flow in the nozzle.

[Result]

The results show that the cavitation intensity in the nozzle hole with a larger angle between the needle valve axis is greater, while there is no obvious cavitation in the nozzle hole with an angle less than 60°. The gradually converging nozzle hole can effectively suppress cavitation and has good flowability and low turbulence intensity. With the increase of PODE content, the density of the mixed fuel increases, the cavitation, turbulence intensity and flow loss in the nozzle hole decrease, and the effective flow area increases. The mass flow rate of DDCL is lower than that of petrochemical diesel. After blending the same volume of PODE, the mass flow rate of the former increases by 6.2% and is higher than that of petrochemical diesel.

[Conclusion]

The blended fuel of PODE-coal direct liquefaction diesel can reduce the internal flow loss of nozzle orifices, improve the flow performance of the orifices, and increase the mass flow rate.

, correspAuthors=Xinqi QIAO, 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=Xinchen LIN, Zhao LYU, Zhen LIU, Ying LIU, Guodong ZHANG, Xinqi QIAO), CN=ArticleExt(id=1254362837019718040, articleId=1254362831797809514, tenantId=1146029695717560320, journalId=1254119036117037056, language=CN, title=DDCL-PODE混合燃料在喷嘴内的空化流动, columnId=1254362834968711750, journalTitle=船舶工程, columnName=船舶动力、推进装置和辅机设备, runingTitle=null, highlight=null, articleAbstract=
[目的]

为研究煤直接液化柴油(DDCL)-聚甲氧基二甲醚(PODE)混合燃料在船用柴油机中的应用潜力,

[方法]

采用液相体积法(VOF),模拟研究不同燃料、喷嘴喷孔锥度和喷孔与针阀轴线角度对喷嘴喷孔内空化流动的影响。

[结果]

结果表明:与针阀轴线夹角较大的喷孔内流空化强度大,夹角<60°喷孔内无明显空化;渐缩喷孔可有效抑制空化,且流通性好,湍流强度小;随PODE含量增加,混合燃料密度增大,喷孔内空化、湍流强度和流动损失减小,有效流通面积增大;DDCL质量流率低于石化柴油,前者掺混相同体积的PODE后质量流率提高6.2%,且高于石化柴油。

[结论]

PODE掺混煤直接液化柴油混合燃料可降低喷嘴喷孔的孔内流动损失,改善喷孔流通性,增大质量流率。

, correspAuthors=乔信起, authorNote=null, correspAuthorsNote=
乔信起(1963—),男,教授、博士生导师。研究方向:新能源动力。E-mail:
, copyrightStatement=本刊已许可中国学术期刊(光盘版)电子杂志社在中国知网及其系列数据库产品中以数字化方式复制、汇编、发行、信息网络传播本刊全文,本刊著作权使用费与本刊稿酬一并支付;本刊所刊登文章均无知识产权争议,不涉及泄露国家秘密、技术秘密或商业秘密。作者向本刊提交文章发表的行为即视为同意我编辑部上述声明,文责自负。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=wu4YGd831ihI2EKvwYldoA==, magXml=ayCB2Sah8zihXPymHOsJ0Q==, pdfUrl=null, pdf=CEM6id8tVTUlHBPYjubTIg==, pdfFileSize=4837949, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=fyN5R74OQG+oOYxzgZqrTA==, mapNumber=null, authorCompany=null, fund=null, authors=

林鑫晨(2000—),男,硕士研究生。研究方向:发动机燃料喷射与喷雾。

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林鑫晨(2000—),男,硕士研究生。研究方向:发动机燃料喷射与喷雾。

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DDCL-PODE混合燃料在喷嘴内的空化流动
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林鑫晨 1, 2 , 吕钊 1 , 刘臻 3 , 刘莹 3 , 张国栋 3 , 乔信起 1, *
船舶工程 | 船舶动力、推进装置和辅机设备 2026,48(3): 81-91
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船舶工程 | 船舶动力、推进装置和辅机设备 2026, 48(3): 81-91
DDCL-PODE混合燃料在喷嘴内的空化流动
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林鑫晨1, 2, 吕钊1, 刘臻3, 刘莹3, 张国栋3, 乔信起1, *
作者信息
  • 1.上海交通大学机械与动力工程学院,上海 200240
  • 2.上海船舶设备研究所,上海 200031
  • 3.康跃科技(山东)有限公司,山东潍坊 262711
  • 林鑫晨(2000—),男,硕士研究生。研究方向:发动机燃料喷射与喷雾。

通讯作者:

乔信起(1963—),男,教授、博士生导师。研究方向:新能源动力。E-mail:
Cavitation Flow of DDCL-PODE Mixed Fuel in a Nozzle
Xinchen LIN1, 2, Zhao LYU1, Zhen LIU3, Ying LIU3, Guodong ZHANG3, Xinqi QIAO1, *
Affiliations
  • 1.School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2.Shanghai Marine Equipment Research Institute, Shanghai 200031, China
  • 3.Kangyue Technology (Shandong) Co., Ltd., Weifang 262711, Shandong, China
出版时间: 2026-03-25 doi: 10.13788/j.cnki.cbgc.2026.03.09
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[目的]

为研究煤直接液化柴油(DDCL)-聚甲氧基二甲醚(PODE)混合燃料在船用柴油机中的应用潜力,

[方法]

采用液相体积法(VOF),模拟研究不同燃料、喷嘴喷孔锥度和喷孔与针阀轴线角度对喷嘴喷孔内空化流动的影响。

[结果]

结果表明:与针阀轴线夹角较大的喷孔内流空化强度大,夹角<60°喷孔内无明显空化;渐缩喷孔可有效抑制空化,且流通性好,湍流强度小;随PODE含量增加,混合燃料密度增大,喷孔内空化、湍流强度和流动损失减小,有效流通面积增大;DDCL质量流率低于石化柴油,前者掺混相同体积的PODE后质量流率提高6.2%,且高于石化柴油。

[结论]

PODE掺混煤直接液化柴油混合燃料可降低喷嘴喷孔的孔内流动损失,改善喷孔流通性,增大质量流率。

煤直接液化柴油(DDCL)  /  聚甲氧基二甲醚(PODE)  /  喷孔  /  空化
[Purpose]

In order to study the potential application of the diesel fuel direct coal liquefaction diesel (DDCL) and polyoxymethylene dimethyl ethers (PODE) mixed fuel in marine diesel engines,

[Method]

the volume of fluid (VOF) method is adopted to simulate and study the influence of different fuels, nozzle hole conical and the angle between the nozzle hole and the needle valve axis on the cavitation flow in the nozzle.

[Result]

The results show that the cavitation intensity in the nozzle hole with a larger angle between the needle valve axis is greater, while there is no obvious cavitation in the nozzle hole with an angle less than 60°. The gradually converging nozzle hole can effectively suppress cavitation and has good flowability and low turbulence intensity. With the increase of PODE content, the density of the mixed fuel increases, the cavitation, turbulence intensity and flow loss in the nozzle hole decrease, and the effective flow area increases. The mass flow rate of DDCL is lower than that of petrochemical diesel. After blending the same volume of PODE, the mass flow rate of the former increases by 6.2% and is higher than that of petrochemical diesel.

[Conclusion]

The blended fuel of PODE-coal direct liquefaction diesel can reduce the internal flow loss of nozzle orifices, improve the flow performance of the orifices, and increase the mass flow rate.

diesel from direct coal liquefaction (DDCL)  /  polyoxymethylene dimethyl ethers (PODE)  /  nozzle  /  cavitation
林鑫晨, 吕钊, 刘臻, 刘莹, 张国栋, 乔信起. DDCL-PODE混合燃料在喷嘴内的空化流动. 船舶工程, 2026 , 48 (3) : 81 -91 . DOI: 10.13788/j.cnki.cbgc.2026.03.09
Xinchen LIN, Zhao LYU, Zhen LIU, Ying LIU, Guodong ZHANG, Xinqi QIAO. Cavitation Flow of DDCL-PODE Mixed Fuel in a Nozzle[J]. Ship Engineering, 2026 , 48 (3) : 81 -91 . DOI: 10.13788/j.cnki.cbgc.2026.03.09
  • 山东省重点研发计划项目(2023CXGC010405)
2026年第48卷第3期
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文章信息
doi: 10.13788/j.cnki.cbgc.2026.03.09
  • 接收时间:2025-03-28
  • 首发时间:2026-04-24
  • 出版时间:2026-03-25
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文章信息
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出版历史
  • 收稿日期:2025-03-28
  • 修回日期:2025-08-05
基金
山东省重点研发计划项目(2023CXGC010405)
作者信息
    1.上海交通大学机械与动力工程学院,上海 200240
    2.上海船舶设备研究所,上海 200031
    3.康跃科技(山东)有限公司,山东潍坊 262711

通讯作者:

乔信起(1963—),男,教授、博士生导师。研究方向:新能源动力。E-mail:
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https://castjournals.cast.org.cn/joweb/cbgc/CN/10.13788/j.cnki.cbgc.2026.03.09
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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