Surface tension determination using data of the evolution of thermocapillary deformations in a locally heated liquid layer

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Surface tension determination using data of the evolution of thermocapillary deformations in a locally heated liquid layer. / Barakhovskaia, Ella; Marchuk, Igor.

в: MATEC Web of Conferences, Том 115, 08008, 10.07.2017.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{7500d0c8e07047d2ab8be76e777d1b8a,

title = "Surface tension determination using data of the evolution of thermocapillary deformations in a locally heated liquid layer",

abstract = "Identifying liquids in chemical technologies and in the oil industry is an actual problem. Such identifications can be made using individual characteristics of thermocapillary flows and deformations in the horizontal layers of the investigated liquids. Numerical algorithms and calculating code have been developed for solving inverse problems for identifying properties of liquid. As additional information for inverse problem a function of thermocapillary response is used. The algorithm for solving inverse problem is based on solving problem of minimizing the residual function. The minimum is obtained numerically by the Newton's method. Numerical calculations have been made for silicone oil. Thermocapillary responses have been calculated for different values of the coefficients. The developed algorithms have been tested on synthetic data, which have been obtained from the solution of direct problems. The developed algorithms have shown a good convergence and efficiency.",

author = "Ella Barakhovskaia and Igor Marchuk",

note = "Publisher Copyright: {\textcopyright} 2017 The Authors, published by EDP Sciences.",

year = "2017",

month = jul,

day = "10",

doi = "10.1051/matecconf/201711508008",

language = "English",

volume = "115",

journal = "MATEC Web of Conferences",

issn = "2261-236X",

publisher = "EDP Sciences",

}

RIS

TY - JOUR

T1 - Surface tension determination using data of the evolution of thermocapillary deformations in a locally heated liquid layer

AU - Barakhovskaia, Ella

AU - Marchuk, Igor

PY - 2017/7/10

Y1 - 2017/7/10

N2 - Identifying liquids in chemical technologies and in the oil industry is an actual problem. Such identifications can be made using individual characteristics of thermocapillary flows and deformations in the horizontal layers of the investigated liquids. Numerical algorithms and calculating code have been developed for solving inverse problems for identifying properties of liquid. As additional information for inverse problem a function of thermocapillary response is used. The algorithm for solving inverse problem is based on solving problem of minimizing the residual function. The minimum is obtained numerically by the Newton's method. Numerical calculations have been made for silicone oil. Thermocapillary responses have been calculated for different values of the coefficients. The developed algorithms have been tested on synthetic data, which have been obtained from the solution of direct problems. The developed algorithms have shown a good convergence and efficiency.

AB - Identifying liquids in chemical technologies and in the oil industry is an actual problem. Such identifications can be made using individual characteristics of thermocapillary flows and deformations in the horizontal layers of the investigated liquids. Numerical algorithms and calculating code have been developed for solving inverse problems for identifying properties of liquid. As additional information for inverse problem a function of thermocapillary response is used. The algorithm for solving inverse problem is based on solving problem of minimizing the residual function. The minimum is obtained numerically by the Newton's method. Numerical calculations have been made for silicone oil. Thermocapillary responses have been calculated for different values of the coefficients. The developed algorithms have been tested on synthetic data, which have been obtained from the solution of direct problems. The developed algorithms have shown a good convergence and efficiency.

UR - http://www.scopus.com/inward/record.url?scp=85025471349&partnerID=8YFLogxK

U2 - 10.1051/matecconf/201711508008

DO - 10.1051/matecconf/201711508008

M3 - Article

AN - SCOPUS:85025471349

VL - 115

JO - MATEC Web of Conferences

JF - MATEC Web of Conferences

SN - 2261-236X

M1 - 08008

ER -

ID: 9080069