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Impact of Gas-Phase Space on Dynamic Thermal Characteristics of Onboard Liquid Hydrogen Tanks.

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Title: Impact of Gas-Phase Space on Dynamic Thermal Characteristics of Onboard Liquid Hydrogen Tanks.
Authors: Lv, Hui1 (AUTHOR), Ding, Hua1,2 (AUTHOR), Wu, Hui1,2 (AUTHOR), Hao, Chaoyang2 (AUTHOR)
Source: Energies (19961073). Jun2026, Vol. 19 Issue 12, p2842. 18p.
Subject Terms: *Storage tanks, *Liquid hydrogen, *Thermal gradient measurment, *Mass transfer, *Pressure control, *Thermal properties, *Sloshing (Hydrodynamics), *Temperature control equipment
Abstract: Focusing on the thermodynamic response of onboard liquid hydrogen tanks under dynamic sloshing conditions, this study investigates the flow-thermal coupling mechanism between the gas-phase space and the main chamber by establishing a numerical model that includes the gas-phase space. The results show that the gas-phase space enhances the initiative and efficiency of system pressure regulation through pressure-difference-driven mass transfer. The evolution of the gas–liquid two-phase temperature field sequentially undergoes four typical stages: pressure-difference-driven jet dominance, thermal stratification maintenance, turbulent mixing, and thermal stratification disappearance. The magnitude of the initial pressure difference significantly affects the temperature response and pressure equilibration time of the two chambers. The gas-phase space achieves thermal uniformity in approximately 4.1 s under sloshing, demonstrating its role as a "dynamic thermal buffer." The research reveals the critical function of the gas-phase space in the dynamic thermal management of liquid hydrogen storage tanks, providing guidance for enhancing the safety and stability of the onboard hydrogen storage system. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 194909291
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Impact of Gas-Phase Space on Dynamic Thermal Characteristics of Onboard Liquid Hydrogen Tanks.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Lv%2C+Hui%22">Lv, Hui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ding%2C+Hua%22">Ding, Hua</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Hui%22">Wu, Hui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hao%2C+Chaoyang%22">Hao, Chaoyang</searchLink><relatesTo>2</relatesTo> (AUTHOR)
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Jun2026, Vol. 19 Issue 12, p2842. 18p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Storage+tanks%22">Storage tanks</searchLink><br />*<searchLink fieldCode="DE" term="%22Liquid+hydrogen%22">Liquid hydrogen</searchLink><br />*<searchLink fieldCode="DE" term="%22Thermal+gradient+measurment%22">Thermal gradient measurment</searchLink><br />*<searchLink fieldCode="DE" term="%22Mass+transfer%22">Mass transfer</searchLink><br />*<searchLink fieldCode="DE" term="%22Pressure+control%22">Pressure control</searchLink><br />*<searchLink fieldCode="DE" term="%22Thermal+properties%22">Thermal properties</searchLink><br />*<searchLink fieldCode="DE" term="%22Sloshing+%28Hydrodynamics%29%22">Sloshing (Hydrodynamics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Temperature+control+equipment%22">Temperature control equipment</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Focusing on the thermodynamic response of onboard liquid hydrogen tanks under dynamic sloshing conditions, this study investigates the flow-thermal coupling mechanism between the gas-phase space and the main chamber by establishing a numerical model that includes the gas-phase space. The results show that the gas-phase space enhances the initiative and efficiency of system pressure regulation through pressure-difference-driven mass transfer. The evolution of the gas–liquid two-phase temperature field sequentially undergoes four typical stages: pressure-difference-driven jet dominance, thermal stratification maintenance, turbulent mixing, and thermal stratification disappearance. The magnitude of the initial pressure difference significantly affects the temperature response and pressure equilibration time of the two chambers. The gas-phase space achieves thermal uniformity in approximately 4.1 s under sloshing, demonstrating its role as a "dynamic thermal buffer." The research reveals the critical function of the gas-phase space in the dynamic thermal management of liquid hydrogen storage tanks, providing guidance for enhancing the safety and stability of the onboard hydrogen storage system. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=194909291
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/en19122842
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 2842
    Subjects:
      – SubjectFull: Storage tanks
        Type: general
      – SubjectFull: Liquid hydrogen
        Type: general
      – SubjectFull: Thermal gradient measurment
        Type: general
      – SubjectFull: Mass transfer
        Type: general
      – SubjectFull: Pressure control
        Type: general
      – SubjectFull: Thermal properties
        Type: general
      – SubjectFull: Sloshing (Hydrodynamics)
        Type: general
      – SubjectFull: Temperature control equipment
        Type: general
    Titles:
      – TitleFull: Impact of Gas-Phase Space on Dynamic Thermal Characteristics of Onboard Liquid Hydrogen Tanks.
        Type: main
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          Name:
            NameFull: Lv, Hui
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            NameFull: Ding, Hua
      – PersonEntity:
          Name:
            NameFull: Wu, Hui
      – PersonEntity:
          Name:
            NameFull: Hao, Chaoyang
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          Dates:
            – D: 15
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19961073
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              Value: 19
            – Type: issue
              Value: 12
          Titles:
            – TitleFull: Energies (19961073)
              Type: main
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