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A Study on the Propulsion Performance of Caterpillar Paddle Wheel Propellers.

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Title: A Study on the Propulsion Performance of Caterpillar Paddle Wheel Propellers.
Authors: Yang, Yu′e1,2 (AUTHOR) me_yangye@ujn.edu.cn, Liu, Guanghui1 (AUTHOR), Wang, Guanyu1 (AUTHOR), Ke, Han3 (AUTHOR) 7587806@163.com, Chang, Lirong4 (AUTHOR), Binwal, Shikha (AUTHOR) sbinwal@wiley.com
Source: Journal of Engineering (2314-4912). 6/15/2026, Vol. 2026, p1-11. 11p.
Subjects: Propellers, Computational fluid dynamics, Fishing boats, Computer simulation, Propulsion systems, Structural optimization, Energy conversion
Abstract: Caterpillar paddle wheel propellers are widely used in fishery vessels operating in shallow or debris‐laden waters due to their simple structure and excellent antientanglement characteristics. However, compared with conventional screw propellers, their relatively low propulsion efficiency has hindered further development. To enhance energy utilization efficiency and environmental performance, this study systematically investigates the propulsion characteristics of caterpillar paddle wheels, employing computational fluid dynamics (CFD) methodology. Initially, theoretical analysis identifies key factors influencing propulsion performance. Subsequently, numerical simulation methods are utilized to examine the impact patterns of structural parameters—immersion ratio (0.2–0.5), number of blades (6–12), and caterpillar length (2200–2900 mm)—on propulsion efficiency. Finally, prototype tests following similarity principles are conducted, with propulsion efficiency of the optimized configuration calculated through thrust and torque measurements. Results demonstrate that immersion ratio, caterpillar length, and paddle number are significant factors affecting efficiency. After parametric optimization at an immersion ratio of 0.2, 6 blades, and 2900‐mm caterpillar length, propulsion efficiency exhibits a sixfold maximum improvement. The numerically simulated optimal efficiency reaches 58.0%, whereas experimental measurements yield 51.6%, showing a 12.4% error. This research provides theoretical foundations and technical benchmarks for optimizing caterpillar paddle wheel propeller designs. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Engineering (2314-4912) is the property of Wiley-Blackwell 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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DbLabel: Engineering Source
An: 194609902
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  Label: Title
  Group: Ti
  Data: A Study on the Propulsion Performance of Caterpillar Paddle Wheel Propellers.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Yu′e%22">Yang, Yu′e</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> me_yangye@ujn.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Guanghui%22">Liu, Guanghui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Guanyu%22">Wang, Guanyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ke%2C+Han%22">Ke, Han</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> 7587806@163.com</i><br /><searchLink fieldCode="AR" term="%22Chang%2C+Lirong%22">Chang, Lirong</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Binwal%2C+Shikha%22">Binwal, Shikha</searchLink> (AUTHOR)<i> sbinwal@wiley.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Engineering+%282314-4912%29%22">Journal of Engineering (2314-4912)</searchLink>. 6/15/2026, Vol. 2026, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Propellers%22">Propellers</searchLink><br /><searchLink fieldCode="DE" term="%22Computational+fluid+dynamics%22">Computational fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Fishing+boats%22">Fishing boats</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Propulsion+systems%22">Propulsion systems</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+optimization%22">Structural optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+conversion%22">Energy conversion</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Caterpillar paddle wheel propellers are widely used in fishery vessels operating in shallow or debris‐laden waters due to their simple structure and excellent antientanglement characteristics. However, compared with conventional screw propellers, their relatively low propulsion efficiency has hindered further development. To enhance energy utilization efficiency and environmental performance, this study systematically investigates the propulsion characteristics of caterpillar paddle wheels, employing computational fluid dynamics (CFD) methodology. Initially, theoretical analysis identifies key factors influencing propulsion performance. Subsequently, numerical simulation methods are utilized to examine the impact patterns of structural parameters—immersion ratio (0.2–0.5), number of blades (6–12), and caterpillar length (2200–2900 mm)—on propulsion efficiency. Finally, prototype tests following similarity principles are conducted, with propulsion efficiency of the optimized configuration calculated through thrust and torque measurements. Results demonstrate that immersion ratio, caterpillar length, and paddle number are significant factors affecting efficiency. After parametric optimization at an immersion ratio of 0.2, 6 blades, and 2900‐mm caterpillar length, propulsion efficiency exhibits a sixfold maximum improvement. The numerically simulated optimal efficiency reaches 58.0%, whereas experimental measurements yield 51.6%, showing a 12.4% error. This research provides theoretical foundations and technical benchmarks for optimizing caterpillar paddle wheel propeller designs. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Engineering (2314-4912) is the property of Wiley-Blackwell 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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        Value: 10.1155/je/3095019
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 1
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      – SubjectFull: Propellers
        Type: general
      – SubjectFull: Computational fluid dynamics
        Type: general
      – SubjectFull: Fishing boats
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Propulsion systems
        Type: general
      – SubjectFull: Structural optimization
        Type: general
      – SubjectFull: Energy conversion
        Type: general
    Titles:
      – TitleFull: A Study on the Propulsion Performance of Caterpillar Paddle Wheel Propellers.
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            NameFull: Yang, Yu′e
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            NameFull: Liu, Guanghui
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            NameFull: Chang, Lirong
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              M: 06
              Text: 6/15/2026
              Type: published
              Y: 2026
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              Value: 2026
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