Quantifying coalescence efficiency in binary bubble systems: Experimental and modeling

Zhao‐Quan Wen

doi:10.1016/j.ces.2026.123688

Quantifying coalescence efficiency in binary bubble systems: Experimental and modeling

2026-02-26

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DOI：10.1016/j.ces.2026.123688

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Abstract

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• An experimental method enables precise control and measurement of head-on binary bubble collisions. • Coalescence efficiency is quantitatively linked to impact velocity and bubble size. • A physics-based model predicts the critical coalescence velocity without empirical parameters. • The model shows excellent agreement with experiments and offers utility for industrial reactor design.

Keywords:

bubble coalescence

impact velocity

bubble size

experimental method

physics-based model

Quantifying coalescence efficiency in binary bubble systems: Experimental and modeling

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