Analysis of 3-D flow pattern and curing during manufacturing of composite wind turbine blades.

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Title: Analysis of 3-D flow pattern and curing during manufacturing of composite wind turbine blades.
Authors: Ranjbar, Ramin K.1 (AUTHOR), Minaie, Bob2 (AUTHOR) bob.minaie@csulb.edu
Source: Wind Engineering. Feb2026, Vol. 50 Issue 1, p32-42. 11p.
Subjects: Three-dimensional flow, Wind turbine blades, Inlets, Manufacturing processes, Manufacturing industries, Composite material manufacturing, Curing
Abstract: A 3-D analysis of flow pattern and curing during VARTM manufacturing of a wind turbine blade is presented. The model was utilized in a case study to find the proper inlet arrangement that results in the shortest filling time. A sequential filling scheme was assumed, and different inlet gate arrangements and activation times were used in the study. It was observed that although increasing the number of inlet gates shortened the filling process, its effectiveness decreased monotonically. The observed filling issue was the presence of dry spots in the sandwich region at the bottom of the part. In the sandwich region, the core splits the flow into two flow fronts, one on the top and another at the bottom of the sandwich region. Case studies indicate that the slow-moving flow front beneath the core does not always merge with the faster-moving flow front on the top of the core. [ABSTRACT FROM AUTHOR]
Copyright of Wind Engineering is the property of Sage Publications Inc. 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
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  Label: Title
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  Data: Analysis of 3-D flow pattern and curing during manufacturing of composite wind turbine blades.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Ranjbar%2C+Ramin+K%2E%22">Ranjbar, Ramin K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Minaie%2C+Bob%22">Minaie, Bob</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> bob.minaie@csulb.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Wind+Engineering%22">Wind Engineering</searchLink>. Feb2026, Vol. 50 Issue 1, p32-42. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Three-dimensional+flow%22">Three-dimensional flow</searchLink><br /><searchLink fieldCode="DE" term="%22Wind+turbine+blades%22">Wind turbine blades</searchLink><br /><searchLink fieldCode="DE" term="%22Inlets%22">Inlets</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+industries%22">Manufacturing industries</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+material+manufacturing%22">Composite material manufacturing</searchLink><br /><searchLink fieldCode="DE" term="%22Curing%22">Curing</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A 3-D analysis of flow pattern and curing during VARTM manufacturing of a wind turbine blade is presented. The model was utilized in a case study to find the proper inlet arrangement that results in the shortest filling time. A sequential filling scheme was assumed, and different inlet gate arrangements and activation times were used in the study. It was observed that although increasing the number of inlet gates shortened the filling process, its effectiveness decreased monotonically. The observed filling issue was the presence of dry spots in the sandwich region at the bottom of the part. In the sandwich region, the core splits the flow into two flow fronts, one on the top and another at the bottom of the sandwich region. Case studies indicate that the slow-moving flow front beneath the core does not always merge with the faster-moving flow front on the top of the core. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Wind Engineering is the property of Sage Publications Inc. 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1177/0309524X251400879
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 32
    Subjects:
      – SubjectFull: Three-dimensional flow
        Type: general
      – SubjectFull: Wind turbine blades
        Type: general
      – SubjectFull: Inlets
        Type: general
      – SubjectFull: Manufacturing processes
        Type: general
      – SubjectFull: Manufacturing industries
        Type: general
      – SubjectFull: Composite material manufacturing
        Type: general
      – SubjectFull: Curing
        Type: general
    Titles:
      – TitleFull: Analysis of 3-D flow pattern and curing during manufacturing of composite wind turbine blades.
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            NameFull: Ranjbar, Ramin K.
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            NameFull: Minaie, Bob
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            – D: 01
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
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