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The aim is to understand the mechanisms of flow-induced noise in heat exchangers and improve noise control strategies.

Computational analysis of flow-induced noise in shell-and-tube heat exchanger: Shell-side excitation and tube vibration dominate

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The aim is to understand the mechanisms of flow-induced noise in heat exchangers and improve noise control strategies.
Conducted numerical analysis using computational fluid dynamics and acoustic analogy theory.
Calculated noise levels under shell-side and tube-side flow conditions.
Performed experimental measurements to validate numerical findings.
Shell-side flow excitation leads to sound pressure levels approximately 26 dB higher than tube-side flow.
Radiated noise at the tube-side inlet and outlet is about 5 dB higher than at shell-side ports.
Heat exchanger tube vibrations are identified as the dominant source of acoustic radiation.

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Numerical analysis examines noise mechanisms in heat exchangers, indicating shell-side flow causes the most noise.

Chen et al. (2026) studied this question.

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