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Article Abstract

The air bubble dispersion in whipping cream during agitation has been imaged by fuzzy phase classification implemented in electrical impedance tomography (fEIT) for internal morphological structure visualization. The fEIT consists of non-linear conductivity [Formula: see text] reconstruction and fuzzy phase classification to classify [Formula: see text] into a probabilistic cluster [Formula: see text] ([Formula: see text]: oil-in-water phase, [Formula: see text]: air bubble). In the experiments, probabilistic air bubble cluster [Formula: see text] of whipping cream with five milk fat (MF) contents were reconstructed by fEIT during agitation to image the air bubble dispersion. The [Formula: see text] demonstrated the air bubble dispersion within the sensor area caused by agitation. The spatial average [Formula: see text] was increased and then decreased due to the incorporation and subsequent departure of air bubbles during agitation. The peak [Formula: see text] time t, which represents the critical saturation point of air bubbles, was decreased as MF content increased, which was verified by OR measurement and microscope observation. Compared to [Formula: see text] reconstructed by EIT influenced by the liquid water phase, fat and air bubbles, [Formula: see text] reconstructed by fEIT successfully imaged air bubble dispersion in whipping cream. Furthermore, fEIT demonstrated comparable performance to OR measurements in evaluating the internal morphological structure of whipping cream during agitation, while providing the advantage of inline measurement.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12122938PMC
http://dx.doi.org/10.1038/s41598-025-03773-3DOI Listing

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