Article(id=1223210585446273966, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221237, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1655049600000, receivedDateStr=2022-06-13, revisedDate=1661097600000, revisedDateStr=2022-08-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1769565729723, onlineDateStr=2026-01-28, pubDate=1687622400000, pubDateStr=2023-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769565729723, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769565729723, creator=13701087609, updateTime=1769565729723, updator=13701087609, issue=Issue{id=1223210584024400210, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='6', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769565729385, creator=13701087609, updateTime=1769593153259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223325608164348105, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223325608164348106, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=180, endPage=184, ext={EN=ArticleExt(id=1223210585848927157, articleId=1223210585446273966, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Numerical Simulation of Flow Field Characteristics of Thrust Bearing by Oil Mist Discharge Device, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

The escape of oil mist from bearing oil groove of power station will not only pollute the environment of power station, but also bring safety hazard to electrical equipment. Combined with the actual situation of hydropower station, the installation of oil mist absorption device can help to discharge excess oil mist from oil tank and effectively avoid the pollution problem of oil mist in power station. In order to investigate the variation of oil mist distribution, velocity, pressure at measuring points and discharge amount of oil mist in the oil tank, numerical simulation calculation of thrust bearing oil tank with negative pressure oil mist pipe was carried out. It is found that after complete oil mist discharged, most of the oil mist can be effectively discharged; The overall change of the amount of oil mist at the outlet follows the law of rising first and then falling. Under the suction pressure of -500 Pa, the maximum discharge amount of oil mist could reach 0.008 23 kg/s. After the oil mist is discharged, the pressure drop at the oil tank upper region reaches 96.07%, and the reduction of the pressure difference can effectively prevent the oil mist from escaping to the cover plate, the wind tunnel, the rotor and so on. The research can provide some theoretical help for the oil mist discharge process of oil tank so as to better formulate the oil mist control strategy.

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电站轴承油槽油雾的逸出不仅会污染电站环境,还会给电气设备带来安全隐患。结合水电站的实际情况,安装油雾吸收装置,可有助于油槽内过量油雾的排出,有效避免电站油雾污染问题。为探究油雾抽吸过程中油槽内的油雾分布、速度、测点压力、油雾抽吸量等变化,对某抽蓄电站推力轴承油槽及负压抽吸管道进行了数值模拟计算。结果表明,经过油雾抽吸,大部分油雾均能被有效排出;出口油雾抽吸量总体变化遵循先上升、后下降的规律;在-500 Pa的抽吸压力下,油雾最大抽吸量可达0.008 23 kg/s;油雾抽吸完成后,油槽顶部的压降达96.07%,压力差的降低可有效阻止油雾外逸至油槽盖板、风洞、转子等处。研究结果可为油槽油雾抽吸过程提供一定的理论帮助,以便于更好地制定油雾治理策略。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
郑源(1963-),男,博士、教授,研究方向为流体机械及海洋能利用,E-mail:
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杨雄(1987-),男,工程师,研究方向为抽水蓄能电站机电设备安全运行,E-mail:

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杨雄(1987-),男,工程师,研究方向为抽水蓄能电站机电设备安全运行,E-mail:

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杨雄(1987-),男,工程师,研究方向为抽水蓄能电站机电设备安全运行,E-mail:

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油雾抽吸装置对推力轴承内流场特性的数值模拟研究
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杨雄 1 , 章志平 1 , 彭绪意 1 , 吴中华 1 , 张送校 1 , 聂赛 1 , 孙洁 2 , 郑源 3 , 张玉全 3
水电能源科学 | 机电与控制工程 2023,41(6): 180-184
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水电能源科学 | 机电与控制工程 2023, 41(6): 180-184
油雾抽吸装置对推力轴承内流场特性的数值模拟研究
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杨雄1 , 章志平1, 彭绪意1, 吴中华1, 张送校1, 聂赛1, 孙洁2, 郑源3 , 张玉全3
作者信息
  • 1.江西洪屏抽水蓄能有限公司,江西 宜春 330600
  • 2.河海大学水利水电学院,江苏 南京 210098
  • 3.河海大学能源与电气学院,江苏 南京 211100
  • 杨雄(1987-),男,工程师,研究方向为抽水蓄能电站机电设备安全运行,E-mail:

通讯作者:

郑源(1963-),男,博士、教授,研究方向为流体机械及海洋能利用,E-mail:
Numerical Simulation of Flow Field Characteristics of Thrust Bearing by Oil Mist Discharge Device
Xiong YANG1 , Zhi-ping ZHANG1, Xu-yi PENG1, Zhong-hua WU1, Song-xiao ZHANG1, Sai NIE1, Jie SUN2, Yuan ZHENG3 , Yu-quan ZHANG3
Affiliations
  • 1.Jiangxi Hongping Pumped Storage Co., LTD, Yichun 330600, China
  • 2.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
  • 3.College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China
出版时间: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20221237
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电站轴承油槽油雾的逸出不仅会污染电站环境,还会给电气设备带来安全隐患。结合水电站的实际情况,安装油雾吸收装置,可有助于油槽内过量油雾的排出,有效避免电站油雾污染问题。为探究油雾抽吸过程中油槽内的油雾分布、速度、测点压力、油雾抽吸量等变化,对某抽蓄电站推力轴承油槽及负压抽吸管道进行了数值模拟计算。结果表明,经过油雾抽吸,大部分油雾均能被有效排出;出口油雾抽吸量总体变化遵循先上升、后下降的规律;在-500 Pa的抽吸压力下,油雾最大抽吸量可达0.008 23 kg/s;油雾抽吸完成后,油槽顶部的压降达96.07%,压力差的降低可有效阻止油雾外逸至油槽盖板、风洞、转子等处。研究结果可为油槽油雾抽吸过程提供一定的理论帮助,以便于更好地制定油雾治理策略。

油雾抽吸  /  推力轴承  /  数值模拟  /  抽水蓄能电站  /  蒸发-冷凝模型

The escape of oil mist from bearing oil groove of power station will not only pollute the environment of power station, but also bring safety hazard to electrical equipment. Combined with the actual situation of hydropower station, the installation of oil mist absorption device can help to discharge excess oil mist from oil tank and effectively avoid the pollution problem of oil mist in power station. In order to investigate the variation of oil mist distribution, velocity, pressure at measuring points and discharge amount of oil mist in the oil tank, numerical simulation calculation of thrust bearing oil tank with negative pressure oil mist pipe was carried out. It is found that after complete oil mist discharged, most of the oil mist can be effectively discharged; The overall change of the amount of oil mist at the outlet follows the law of rising first and then falling. Under the suction pressure of -500 Pa, the maximum discharge amount of oil mist could reach 0.008 23 kg/s. After the oil mist is discharged, the pressure drop at the oil tank upper region reaches 96.07%, and the reduction of the pressure difference can effectively prevent the oil mist from escaping to the cover plate, the wind tunnel, the rotor and so on. The research can provide some theoretical help for the oil mist discharge process of oil tank so as to better formulate the oil mist control strategy.

oil mist diacharge  /  thrust bearing  /  numerical simulation  /  pumped storage power station  /  evaporation-condensation model
杨雄, 章志平, 彭绪意, 吴中华, 张送校, 聂赛, 孙洁, 郑源, 张玉全. 油雾抽吸装置对推力轴承内流场特性的数值模拟研究. 水电能源科学, 2023 , 41 (6) : 180 -184 . DOI: 10.20040/j.cnki.1000-7709.2023.20221237
Xiong YANG, Zhi-ping ZHANG, Xu-yi PENG, Zhong-hua WU, Song-xiao ZHANG, Sai NIE, Jie SUN, Yuan ZHENG, Yu-quan ZHANG. Numerical Simulation of Flow Field Characteristics of Thrust Bearing by Oil Mist Discharge Device[J]. Water Resources and Power, 2023 , 41 (6) : 180 -184 . DOI: 10.20040/j.cnki.1000-7709.2023.20221237
  • 国网新源控股有限公司科技项目(SGXYKJ-2021-037)
2023年第41卷第6期
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doi: 10.20040/j.cnki.1000-7709.2023.20221237
  • 接收时间:2022-06-13
  • 首发时间:2026-01-28
  • 出版时间:2023-06-25
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  • 收稿日期:2022-06-13
  • 修回日期:2022-08-22
基金
国网新源控股有限公司科技项目(SGXYKJ-2021-037)
作者信息
    1.江西洪屏抽水蓄能有限公司,江西 宜春 330600
    2.河海大学水利水电学院,江苏 南京 210098
    3.河海大学能源与电气学院,江苏 南京 211100

通讯作者:

郑源(1963-),男,博士、教授,研究方向为流体机械及海洋能利用,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20221237
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2种不同金属材料的力学参数

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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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