October 10, 2025

Experimental Study of the Two-Phase Flow and Induced Vibrations in a Square-Pitch Tube Bundle in Air-Water Cross-Flow

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Authors

DVDaniele Vivaldi ACA. Chahine LRLucas Rotily

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Implication

Experimental research reveals two-phase flow dynamics and tube vibrations in a square-pitch tube bundle, suggesting implications for nuclear plant design.

Key Points

Two-phase flow dynamics showed distinct features, with average void fractions and gas velocities measured in the tube bundle region.
Vibration measurements revealed a frequency of 3-4 Hz for large air structures, with rising velocities of up to 2.5 m/s in the flow.
Experimental campaigns assessed both flow characteristics and vibrational responses using advanced sensors and measurement techniques.
The study indicated that varying tube configurations significantly affects vibrational behavior and response in air-water cross-flow conditions.

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Vivaldi et al. (2025) studied this question.

synapsesocial.com/papers/68e8619c7ef2f04ca37e437e https://doi.org/10.1115/pvp2025-153890

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Implication

Experimental research reveals two-phase flow dynamics and tube vibrations in a square-pitch tube bundle, suggesting implications for nuclear plant design.

Experimental Study of the Two-Phase Flow and Induced Vibrations in a Square-Pitch Tube Bundle in Air-Water Cross-Flow

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Implication

Key Points

Cite This Study

Experimental Study of the Two-Phase Flow and Induced Vibrations in a Square-Pitch Tube Bundle in Air-Water Cross-Flow

Discussion

Member takes

Implication

Key Points

Cite This Study

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