The effect of mutual location of heaters on the falling film dynamics

Yu O. Kabova, V. V. Kuznetsov, O. A. Kabov

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Thin nonisothermal liquid film flowing down under action oj gravity is considered. Investigation of the influence of the spanwise and streamwise arrangement of the rectangular heaters on 3-D structures, occurring at the film surface, is the main objective of the present work. Three-dimensional time-dependant mathematical model for calculation of gas-liquid interface deformations and evolution of temperature fields was developed. Our numerical investigations have shown that interaction, imposition and mutual influence of the 3D structures (bumps, lateral waves ...) takes place. In the case of streamwise arrangement of the heaters film rupture is most likely on the second heater. There is a critical backlash between the heaters, at which film deformations, including film thinning, are the largest. For the spanwise arrangement of the heaters distance between them practically do not effect on the minimum film thickness, but mutual imposition of the lateral waves and film thickening exists.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalMicrogravity Science and Technology
Volume19
Issue number3-4
DOIs
Publication statusPublished - 1 Jan 2007

Fingerprint

falling
heaters
Arrangement
Lateral
Liquid films
Liquid
Film thickness
liquids
Gravitation
Temperature distribution
Thinning
Rupture
Numerical Investigation
Temperature Field
mathematical models
Mathematical models
temperature distribution
film thickness
3D
Thin films

ASJC Scopus subject areas

  • Modelling and Simulation
  • Engineering(all)
  • Physics and Astronomy(all)
  • Applied Mathematics

Cite this

The effect of mutual location of heaters on the falling film dynamics. / Kabova, Yu O.; Kuznetsov, V. V.; Kabov, O. A.

In: Microgravity Science and Technology, Vol. 19, No. 3-4, 01.01.2007, p. 53-56.

Research output: Contribution to journalArticle

@article{7ad8dc3a310b4a14a9e18bbc79d15c0e,
title = "The effect of mutual location of heaters on the falling film dynamics",
abstract = "Thin nonisothermal liquid film flowing down under action oj gravity is considered. Investigation of the influence of the spanwise and streamwise arrangement of the rectangular heaters on 3-D structures, occurring at the film surface, is the main objective of the present work. Three-dimensional time-dependant mathematical model for calculation of gas-liquid interface deformations and evolution of temperature fields was developed. Our numerical investigations have shown that interaction, imposition and mutual influence of the 3D structures (bumps, lateral waves ...) takes place. In the case of streamwise arrangement of the heaters film rupture is most likely on the second heater. There is a critical backlash between the heaters, at which film deformations, including film thinning, are the largest. For the spanwise arrangement of the heaters distance between them practically do not effect on the minimum film thickness, but mutual imposition of the lateral waves and film thickening exists.",
author = "Kabova, {Yu O.} and Kuznetsov, {V. V.} and Kabov, {O. A.}",
year = "2007",
month = "1",
day = "1",
doi = "10.1007/BF02915749",
language = "English",
volume = "19",
pages = "53--56",
journal = "Microgravity Science and Technology",
issn = "0938-0108",
publisher = "Springer Netherlands",
number = "3-4",

}

TY - JOUR

T1 - The effect of mutual location of heaters on the falling film dynamics

AU - Kabova, Yu O.

AU - Kuznetsov, V. V.

AU - Kabov, O. A.

PY - 2007/1/1

Y1 - 2007/1/1

N2 - Thin nonisothermal liquid film flowing down under action oj gravity is considered. Investigation of the influence of the spanwise and streamwise arrangement of the rectangular heaters on 3-D structures, occurring at the film surface, is the main objective of the present work. Three-dimensional time-dependant mathematical model for calculation of gas-liquid interface deformations and evolution of temperature fields was developed. Our numerical investigations have shown that interaction, imposition and mutual influence of the 3D structures (bumps, lateral waves ...) takes place. In the case of streamwise arrangement of the heaters film rupture is most likely on the second heater. There is a critical backlash between the heaters, at which film deformations, including film thinning, are the largest. For the spanwise arrangement of the heaters distance between them practically do not effect on the minimum film thickness, but mutual imposition of the lateral waves and film thickening exists.

AB - Thin nonisothermal liquid film flowing down under action oj gravity is considered. Investigation of the influence of the spanwise and streamwise arrangement of the rectangular heaters on 3-D structures, occurring at the film surface, is the main objective of the present work. Three-dimensional time-dependant mathematical model for calculation of gas-liquid interface deformations and evolution of temperature fields was developed. Our numerical investigations have shown that interaction, imposition and mutual influence of the 3D structures (bumps, lateral waves ...) takes place. In the case of streamwise arrangement of the heaters film rupture is most likely on the second heater. There is a critical backlash between the heaters, at which film deformations, including film thinning, are the largest. For the spanwise arrangement of the heaters distance between them practically do not effect on the minimum film thickness, but mutual imposition of the lateral waves and film thickening exists.

UR - http://www.scopus.com/inward/record.url?scp=36549072469&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=36549072469&partnerID=8YFLogxK

U2 - 10.1007/BF02915749

DO - 10.1007/BF02915749

M3 - Article

VL - 19

SP - 53

EP - 56

JO - Microgravity Science and Technology

JF - Microgravity Science and Technology

SN - 0938-0108

IS - 3-4

ER -