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This is a Experimental Study study.

October 9, 2025

Verification and Supplemental Information for the Influence of Tube Frequency Differences on Fluid-Elastic Instability of Tube Arrays In Crossflow

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Authors

AVAntonio Vulcano GBGregory A. BanyayPennsylvania State University RBRobert D. BlevinsATA Engineering (United States)

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Implication

This research investigates the influence of frequency differences on fluid-elastic instability in tube arrays, highlighting implications for U-bend steam generators.

Key Points

Fluid-elastic instability was found in both U-bend and straight tube arrays with frequency differences, indicating structural vulnerabilities.
The experimental data demonstrate that the onset velocity for instability is higher in frequency-differentiated tubes compared to homogeneous configurations.
The study utilized comparisons of asymmetric tube supports and provided digital datasets for follow-on modeling and simulations related to fluid-elastic instability.
The investigation emphasizes the importance of updated design guidelines for tube arrays in heat exchangers to mitigate risks associated with vibrations.

Cite This Study

Vulcano et al. (2025) studied this question.

synapsesocial.com/papers/68e8439a9989581a2fd4e1f5 https://doi.org/10.1115/pvp2025-155285

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Implication

This research investigates the influence of frequency differences on fluid-elastic instability in tube arrays, highlighting implications for U-bend steam generators.

Verification and Supplemental Information for the Influence of Tube Frequency Differences on Fluid-Elastic Instability of Tube Arrays In Crossflow

Discussion

Member takes

Implication

Key Points

Cite This Study

Verification and Supplemental Information for the Influence of Tube Frequency Differences on Fluid-Elastic Instability of Tube Arrays In Crossflow

Discussion

Member takes

Implication

Key Points

Cite This Study

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