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Modification of Shape Oscillations of an Attached Bubble by Surfactants

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F13%3A00393230" target="_blank" >RIV/67985858:_____/13:00393230 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1051/epjconf/20134501095" target="_blank" >http://dx.doi.org/10.1051/epjconf/20134501095</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1051/epjconf/20134501095" target="_blank" >10.1051/epjconf/20134501095</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Modification of Shape Oscillations of an Attached Bubble by Surfactants

  • Original language description

    In the experiments, shape oscillations of a bubble are invoked by a motion of a capillary, to which the bubble is injected. Decaying oscillations are recorded and their frequency and damping are evaluated. By changing the excitation frequency, three lowest oscillation modes are studied. Experiments were repeated in aqueous solution of several surfactants at various concentrations. Generally, these features are observed: Initially a surfactant addition leads to an increase of the oscillation frequency; this effect can be attributed to the increasing interfacial elasticity. The decay time of oscillation is strongly decreasing, as a consequence of energy dissipation linked with Marangoni stresses. At a certain critical concentration, frequency decreases abruptly and the decay time passes by a minimum. With further addition of surfactant, frequency decreases, and the decay time slightly lengthens. Above critical micelle concentration, all these parameters stabilize. Interestingly, the crit

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2013

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    EPJ Web of Conferences

  • ISSN

    2100-014X

  • e-ISSN

  • Volume of the periodical

    45

  • Issue of the periodical within the volume

    2013

  • Country of publishing house

    FR - FRANCE

  • Number of pages

    4

  • Pages from-to

  • UT code for WoS article

    000319932200095

  • EID of the result in the Scopus database