BiconeDrag—A data processing application for the oscillating conical bob interfacial shear rheometer

Sánchez-Puga, Pablo, Tajuelo, Javier, Pastor, Juan Manuel y Rubio Álvarez, Miguel Ángel . (2019) BiconeDrag—A data processing application for the oscillating conical bob interfacial shear rheometer. Computer Physics Communications

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Título BiconeDrag—A data processing application for the oscillating conical bob interfacial shear rheometer
Autor(es) Sánchez-Puga, Pablo
Tajuelo, Javier
Pastor, Juan Manuel
Rubio Álvarez, Miguel Ángel
Materia(s) Física
Abstract BiconeDrag is a software package that allows one to perform a flow field based data processing of dynamic interfacial rheology data pertaining to surfactant laden air–fluid interfaces obtained by means of a rotational bicone shear rheometer. MATLAB and Python versions of the program are provided. The bicone fixture is widely used to transform a conventional bulk rotational rheometer into an interfacial shear rheometer. Typically, such systems are made of a bicone bob, which is mounted on the rheometer rotor, and a cylindrical cup. Usually, the experiment consists of measuring the response of the interface under an oscillatory stress. The program takes the values of the torque/angular displacement amplitude ratio and phase difference to compute the interfacial dynamic moduli (or complex viscosity) by consistently taking into account the hydrodynamic flow both at the interface and the subphase. This is done by numerically solving the Navier–Stokes equations for the subphase velocity field together with the Boussinesq–Scriven boundary condition at the interface, and no slip boundary conditions elsewhere. Furthermore, the program implements a new iterative scheme devised by solving for the complex Boussinesq number in the rotor’s torque balance equation.
Palabras clave Interfacial rheometry
Bicone rheometer
Rotational interfacial rheometer
Flow field based data processing
Finite differences
Editor(es) Elsevier
Fecha 2019-06
Formato application/pdf
Identificador bibliuned:DptoFF-FCIE-Articulos-Marubio-0002
http://e-spacio.uned.es/fez/view/bibliuned:DptoFF-FCIE-Articulos-Marubio-0002
DOI - identifier 10.1016/j.cpc.2019.01.020
ISSN - identifier 1879-2944
Nombre de la revista Computer Physics Communications
Número de Volumen 239
Página inicial 184
Página final 196
Publicado en la Revista Computer Physics Communications
Idioma eng
Versión de la publicación acceptedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Computer Physics Communications, está disponible en línea en el sitio web del editor: Elsevier https://doi.org/10.1016/j.cpc.2019.01.020
Notas adicionales The registered version of this article, first published in Computer Physics Communications, is available online at the publisher's website: Elsevier https://doi.org/10.1016/j.cpc.2019.01.020

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Creado: Fri, 09 Feb 2024, 04:20:36 CET