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Ultrasonic-based measurement of oil film thickness in the valve plate pair of an aviation fuel piston pump.

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Title: Ultrasonic-based measurement of oil film thickness in the valve plate pair of an aviation fuel piston pump.
Authors: Zheng, Peng1 (AUTHOR), Dou, Pan1,2 (AUTHOR) p.dou@xjtu.edu.cn, Dai, Jie3,4 (AUTHOR), Chang, Shiyuan1 (AUTHOR), Jia, Yaping1 (AUTHOR), Wu, Tonghai1 (AUTHOR) tonghai.wu@mail.xjtu.edu.cn, Yu, Min2 (AUTHOR)
Source: Measurement (02632241). Mar2025, Vol. 246, pN.PAG-N.PAG. 1p.
Subjects: Reciprocating pumps, Aircraft fuels, Fuel pumps, Petroleum distribution, Oil well pumps
Abstract: • A method for identifying target echoes on grooved textured surfaces is proposed. • Temperature compensation methods for spring models are investigated. • The oil film thickness distribution of the valve plate pair in AFPP is revealed. The valve plate pairs as a critical component in the Aviation Fuel Piston Pump (AFPP) and often works under heavy loads and high temperatures. It is highly susceptible to oil film rupture, yet its thickness remains imperceptible in an actual pump. This study addresses this issue using an ultrasonic method, overcoming two main challenges: the complicated echo from grooved surfaces and the thermal compensation of the measurement model. Experiments are performed in an AFPP under variable working conditions. The results show that the oil film thickness of about 1–3 μm in the oil intake zone and 2–10 μm in the oil discharge zone is measured, together with the non-planar oil film distribution, indicating that an elastic deformation occurred on the valve plate pair. Furthermore, the oil film thickness in the two zones has different trends with working conditions. These discoveries offer new insights for the design of the AFPP. [ABSTRACT FROM AUTHOR]
Copyright of Measurement (02632241) is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 183380095
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Ultrasonic-based measurement of oil film thickness in the valve plate pair of an aviation fuel piston pump.
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  Data: <searchLink fieldCode="AR" term="%22Zheng%2C+Peng%22">Zheng, Peng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dou%2C+Pan%22">Dou, Pan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> p.dou@xjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Dai%2C+Jie%22">Dai, Jie</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang%2C+Shiyuan%22">Chang, Shiyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jia%2C+Yaping%22">Jia, Yaping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Tonghai%22">Wu, Tonghai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> tonghai.wu@mail.xjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+Min%22">Yu, Min</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Measurement+%2802632241%29%22">Measurement (02632241)</searchLink>. Mar2025, Vol. 246, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Reciprocating+pumps%22">Reciprocating pumps</searchLink><br /><searchLink fieldCode="DE" term="%22Aircraft+fuels%22">Aircraft fuels</searchLink><br /><searchLink fieldCode="DE" term="%22Fuel+pumps%22">Fuel pumps</searchLink><br /><searchLink fieldCode="DE" term="%22Petroleum+distribution%22">Petroleum distribution</searchLink><br /><searchLink fieldCode="DE" term="%22Oil+well+pumps%22">Oil well pumps</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • A method for identifying target echoes on grooved textured surfaces is proposed. • Temperature compensation methods for spring models are investigated. • The oil film thickness distribution of the valve plate pair in AFPP is revealed. The valve plate pairs as a critical component in the Aviation Fuel Piston Pump (AFPP) and often works under heavy loads and high temperatures. It is highly susceptible to oil film rupture, yet its thickness remains imperceptible in an actual pump. This study addresses this issue using an ultrasonic method, overcoming two main challenges: the complicated echo from grooved surfaces and the thermal compensation of the measurement model. Experiments are performed in an AFPP under variable working conditions. The results show that the oil film thickness of about 1–3 μm in the oil intake zone and 2–10 μm in the oil discharge zone is measured, together with the non-planar oil film distribution, indicating that an elastic deformation occurred on the valve plate pair. Furthermore, the oil film thickness in the two zones has different trends with working conditions. These discoveries offer new insights for the design of the AFPP. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Measurement (02632241) is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.measurement.2025.116741
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Reciprocating pumps
        Type: general
      – SubjectFull: Aircraft fuels
        Type: general
      – SubjectFull: Fuel pumps
        Type: general
      – SubjectFull: Petroleum distribution
        Type: general
      – SubjectFull: Oil well pumps
        Type: general
    Titles:
      – TitleFull: Ultrasonic-based measurement of oil film thickness in the valve plate pair of an aviation fuel piston pump.
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          Name:
            NameFull: Zheng, Peng
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            NameFull: Dou, Pan
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            NameFull: Dai, Jie
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            NameFull: Chang, Shiyuan
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            NameFull: Jia, Yaping
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            NameFull: Wu, Tonghai
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            NameFull: Yu, Min
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            – D: 31
              M: 03
              Text: Mar2025
              Type: published
              Y: 2025
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              Value: 246
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            – TitleFull: Measurement (02632241)
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