Abstract

Abstract Within the study of fluid-elastic instability in heat exchangers tube banks, a considerable theoretical and experimental effort has been produced for understanding fluid–structure coupling in two-phase flow. This communication discusses the commonly accepted added mass modeling and proposes some ways of further improvement. Notably, it turns out that added mass may be overestimated in a two-phase flow. Taking into account this phenomenon improves the collapsing of flow-induced forces data.

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