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September 10, 2025Physics of Fluids

Numerical investigation on heat transfer characteristics of internal cooling channels with perforated pin-fins in gas turbine blade

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Authors

DTDang-Quoc TranHanoi University of Science and Technology VLV. D. LeHanoi University of Science and Technology JKJin‐Hyuk KimSamsung (South Korea)

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Implication

Numerical investigation reveals enhanced Nusselt numbers and heat transfer efficiency in gas turbine blades, indicating perforated pin-fins outperform regular configurations.

Key Points

Perforated pin-fins configurations increase the averaged Nusselt numbers and heat transfer efficiency index significantly.
The numerical results show an increase in Nusselt number by 61.28%–69.89% and heat transfer efficiency by 69.97%–80.19% with perforated designs.
Friction factor decreased by 14.56%–16.18% when using perforated pin-fins compared to standard designs.
At a Reynolds number of 21,500, heat transfer performance improved by up to 77.18%, showing notable benefits for turbine blade cooling.

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Tran et al. (2025) studied this question.

synapsesocial.com/papers/68c1b81f54b1d3bfb60ec845 https://doi.org/10.1063/5.0276502

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Implication

Numerical investigation reveals enhanced Nusselt numbers and heat transfer efficiency in gas turbine blades, indicating perforated pin-fins outperform regular configurations.

Numerical investigation on heat transfer characteristics of internal cooling channels with perforated pin-fins in gas turbine blade

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Implication

Key Points

Cite This Study

Numerical investigation on heat transfer characteristics of internal cooling channels with perforated pin-fins in gas turbine blade

Discussion

Member takes

Implication

Key Points

Cite This Study

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