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Experimental and Simulation-Based Development of Heat-Transfer Correlations for Cyclopentane PCHE.

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Název: Experimental and Simulation-Based Development of Heat-Transfer Correlations for Cyclopentane PCHE.
Autoři: Qin, Xiaogang, Xu, Haibo, Zhang, Hongfei, Zhang, Ming, Sun, Lin, Wang, Xuan
Zdroj: Energies (19961073); Jun2025, Vol. 18 Issue 11, p2744, 19p
Témata: COMPUTATIONAL fluid dynamics, RANKINE cycle, HEAT exchangers, WASTE heat, WASTE gases, HEAT recovery
Abstrakt: Within the energy sector, the potential to effectively harness the considerable energy present in gas turbine waste heat via an organic Rankine cycle (ORC) could markedly improve overall energy efficiency. This investigation centers on a printed-circuit heat exchanger (PCHE) utilizing cyclopentane as the working fluid. The study employs a combination of experimental techniques and computational fluid dynamics (CFD) simulations to conduct an in-depth analysis of the PCHE's performance, leading to the successful development of a highly accurate heat-transfer correlation. A thorough comparison of experimental and simulation data is carried out to examine the temperature and pressure distributions within the heat exchanger. The maximum deviation between experimental and correlation-estimated data is within 20% (hot fluid: 15%; cold fluid: 18%). These findings offer essential theoretical insights and practical guidance for optimizing and ensuring the stable operation of waste-heat recovery systems. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI 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.)
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  Label: Title
  Group: Ti
  Data: Experimental and Simulation-Based Development of Heat-Transfer Correlations for Cyclopentane PCHE.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Qin%2C+Xiaogang%22">Qin, Xiaogang</searchLink><br /><searchLink fieldCode="AR" term="%22Xu%2C+Haibo%22">Xu, Haibo</searchLink><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Hongfei%22">Zhang, Hongfei</searchLink><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Ming%22">Zhang, Ming</searchLink><br /><searchLink fieldCode="AR" term="%22Sun%2C+Lin%22">Sun, Lin</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+Xuan%22">Wang, Xuan</searchLink>
– Name: TitleSource
  Label: Source
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  Data: Energies (19961073); Jun2025, Vol. 18 Issue 11, p2744, 19p
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22COMPUTATIONAL+fluid+dynamics%22">COMPUTATIONAL fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22RANKINE+cycle%22">RANKINE cycle</searchLink><br /><searchLink fieldCode="DE" term="%22HEAT+exchangers%22">HEAT exchangers</searchLink><br /><searchLink fieldCode="DE" term="%22WASTE+heat%22">WASTE heat</searchLink><br /><searchLink fieldCode="DE" term="%22WASTE+gases%22">WASTE gases</searchLink><br /><searchLink fieldCode="DE" term="%22HEAT+recovery%22">HEAT recovery</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Within the energy sector, the potential to effectively harness the considerable energy present in gas turbine waste heat via an organic Rankine cycle (ORC) could markedly improve overall energy efficiency. This investigation centers on a printed-circuit heat exchanger (PCHE) utilizing cyclopentane as the working fluid. The study employs a combination of experimental techniques and computational fluid dynamics (CFD) simulations to conduct an in-depth analysis of the PCHE's performance, leading to the successful development of a highly accurate heat-transfer correlation. A thorough comparison of experimental and simulation data is carried out to examine the temperature and pressure distributions within the heat exchanger. The maximum deviation between experimental and correlation-estimated data is within 20% (hot fluid: 15%; cold fluid: 18%). These findings offer essential theoretical insights and practical guidance for optimizing and ensuring the stable operation of waste-heat recovery systems. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Energies (19961073) is the property of MDPI 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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        Value: 10.3390/en18112744
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      – Code: eng
        Text: English
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        PageCount: 19
        StartPage: 2744
    Subjects:
      – SubjectFull: COMPUTATIONAL fluid dynamics
        Type: general
      – SubjectFull: RANKINE cycle
        Type: general
      – SubjectFull: HEAT exchangers
        Type: general
      – SubjectFull: WASTE heat
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      – SubjectFull: WASTE gases
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      – SubjectFull: HEAT recovery
        Type: general
    Titles:
      – TitleFull: Experimental and Simulation-Based Development of Heat-Transfer Correlations for Cyclopentane PCHE.
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              M: 06
              Text: Jun2025
              Type: published
              Y: 2025
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