dc.contributor.author |
Tsivilskiy I. |
|
dc.contributor.author |
Nagulin K. |
|
dc.contributor.author |
Gilmutdinov A. |
|
dc.date.accessioned |
2018-09-19T20:34:42Z |
|
dc.date.available |
2018-09-19T20:34:42Z |
|
dc.date.issued |
2016 |
|
dc.identifier.issn |
0584-8547 |
|
dc.identifier.uri |
https://dspace.kpfu.ru/xmlui/handle/net/143032 |
|
dc.description.abstract |
© 2015 Elsevier B.V. All rights reserved. A full three-dimensional nonstationary numerical model of graphite electrothermal atomizers of various types is developed. The model is based on solution of a heat equation within solid walls of the atomizer with a radiative heat transfer and numerical solution of a full set of Navier-Stokes equations with an energy equation for a gas. Governing equations for the behavior of a discrete phase, i.e., atomic particles suspended in a gas (including gas-phase processes of evaporation and condensation), are derived from the formal equations molecular kinetics by numerical solution of the Hertz-Langmuir equation. The following atomizers test the model: a Varian standard heated electrothermal vaporizer (ETV), a Perkin Elmer standard THGA transversely heated graphite tube with integrated platform (THGA), and the original double-stage tube-helix atomizer (DSTHA). The experimental verification of computer calculations is carried out by a method of shadow spectral visualization of the spatial distributions of atomic and molecular vapors in an analytical space of an atomizer. |
|
dc.relation.ispartofseries |
Spectrochimica Acta - Part B Atomic Spectroscopy |
|
dc.subject |
Atomic absorption signal |
|
dc.subject |
Atomization |
|
dc.subject |
Electrothermal atomizer |
|
dc.subject |
Numerical modeling |
|
dc.subject |
Vaporization |
|
dc.title |
Three-dimensional time-dependent computer modeling of the electrothermal atomizers for analytical spectrometry |
|
dc.type |
Article |
|
dc.relation.ispartofseries-volume |
116 |
|
dc.collection |
Публикации сотрудников КФУ |
|
dc.relation.startpage |
34 |
|
dc.source.id |
SCOPUS05848547-2016-116-SID84950253983 |
|