A fate-alternating transitional regime in contracting liquid filaments

The fate of a contracting liquid filament depends on the Ohnesorge number ( Oh ), the initial aspect ratio ( 𝛤 ) and surface perturbation. Generally, it is believed that there exists a critical aspect ratio 𝛤c ( Oh )such that longer filaments break up and shorter ones recoil into a single drop. Thro...

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المؤلفون الرئيسيون: Wang, F, Conto, F, Naz, N, Pita, C, Castrejon-Pita, A, Bailey, C, Wang, W, Feng, J, Sui, Y
التنسيق: Journal article
منشور في: Cambridge University Press 2018
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author Wang, F
Conto, F
Naz, N
Pita, C
Castrejon-Pita, A
Bailey, C
Wang, W
Feng, J
Sui, Y
author_facet Wang, F
Conto, F
Naz, N
Pita, C
Castrejon-Pita, A
Bailey, C
Wang, W
Feng, J
Sui, Y
author_sort Wang, F
collection OXFORD
description The fate of a contracting liquid filament depends on the Ohnesorge number ( Oh ), the initial aspect ratio ( 𝛤 ) and surface perturbation. Generally, it is believed that there exists a critical aspect ratio 𝛤c ( Oh )such that longer filaments break up and shorter ones recoil into a single drop. Through computational and experimental studies, we report a transitional regime for filaments with a broad range of intermediate aspect ratios, where there exist multiple 𝛤 thresholds at which a novel breakup mode alternates with no-break mode. We develop a simple model considering the superposition of capillary waves, which can predict the complicated new phase diagram. In this model, the breakup results from constructive interference between the capillary waves that originate from the ends of the filament.
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spelling oxford-uuid:169de37c-cedd-4293-8881-dc63c8b91f3a2022-03-26T10:32:22ZA fate-alternating transitional regime in contracting liquid filamentsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:169de37c-cedd-4293-8881-dc63c8b91f3aSymplectic Elements at OxfordCambridge University Press2018Wang, FConto, FNaz, NPita, CCastrejon-Pita, ABailey, CWang, WFeng, JSui, YThe fate of a contracting liquid filament depends on the Ohnesorge number ( Oh ), the initial aspect ratio ( 𝛤 ) and surface perturbation. Generally, it is believed that there exists a critical aspect ratio 𝛤c ( Oh )such that longer filaments break up and shorter ones recoil into a single drop. Through computational and experimental studies, we report a transitional regime for filaments with a broad range of intermediate aspect ratios, where there exist multiple 𝛤 thresholds at which a novel breakup mode alternates with no-break mode. We develop a simple model considering the superposition of capillary waves, which can predict the complicated new phase diagram. In this model, the breakup results from constructive interference between the capillary waves that originate from the ends of the filament.
spellingShingle Wang, F
Conto, F
Naz, N
Pita, C
Castrejon-Pita, A
Bailey, C
Wang, W
Feng, J
Sui, Y
A fate-alternating transitional regime in contracting liquid filaments
title A fate-alternating transitional regime in contracting liquid filaments
title_full A fate-alternating transitional regime in contracting liquid filaments
title_fullStr A fate-alternating transitional regime in contracting liquid filaments
title_full_unstemmed A fate-alternating transitional regime in contracting liquid filaments
title_short A fate-alternating transitional regime in contracting liquid filaments
title_sort fate alternating transitional regime in contracting liquid filaments
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