Heat, mass and momentum transfer of a water film flowing down a tilted plate exposed to solar irradiation

Baoyin Song, Hideo Inaba, Akihiko Horibe, Koichi Ozaki

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper has investigated the heat, mass and momentum transfer of a water film falling over a tilted plate with solar radiant heating and water evaporation. A cluster of physical models which include conduction, convection with flow turbulence, diffusion, radiation and phase change was developed for predicting the characteristics of heat, mass and momentum transfer. A fully implicit control-volume finite-difference procedure was used to solve the coupling equations. The effects of various parameters on heat, mass and momentum transport were investigated. The results revealed that the gradients of temperature and the mass fraction of water vapor in the gas layer, and the wind velocity played a key role in the heat and mass transfer along the gas-water interface. The water film Reynolds number related to the film thickness and the plate tilt angle markedly exerted an influence on the eddy viscosity and the turbulent Prandtl number of the water film. The ambient atmospheric temperature only dramatically affected the interfacial sensible heat transfer. The magnitude of solar incident flux had intense influence on the water film temperature but not on the interfacial heat and mass transfers.

Original languageEnglish
Pages (from-to)384-397
Number of pages14
JournalInternational Journal of Thermal Sciences
Volume38
Issue number5
Publication statusPublished - 1999

Fingerprint

Momentum transfer
mass transfer
momentum transfer
Mass transfer
heat transfer
Irradiation
Heat transfer
irradiation
Water
water
Gases
Radiant heating
radiant heating
solar heating
Atmospheric temperature
Solar heating
eddy viscosity
atmospheric temperature
wind velocity
Prandtl number

Keywords

  • Heat and mass transfer
  • Momentum transport
  • Numerical analysis
  • Solar irradiation
  • Water film

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

Cite this

Heat, mass and momentum transfer of a water film flowing down a tilted plate exposed to solar irradiation. / Song, Baoyin; Inaba, Hideo; Horibe, Akihiko; Ozaki, Koichi.

In: International Journal of Thermal Sciences, Vol. 38, No. 5, 1999, p. 384-397.

Research output: Contribution to journalArticle

@article{e6fa6462c2c0481582b0067680a058f0,
title = "Heat, mass and momentum transfer of a water film flowing down a tilted plate exposed to solar irradiation",
abstract = "This paper has investigated the heat, mass and momentum transfer of a water film falling over a tilted plate with solar radiant heating and water evaporation. A cluster of physical models which include conduction, convection with flow turbulence, diffusion, radiation and phase change was developed for predicting the characteristics of heat, mass and momentum transfer. A fully implicit control-volume finite-difference procedure was used to solve the coupling equations. The effects of various parameters on heat, mass and momentum transport were investigated. The results revealed that the gradients of temperature and the mass fraction of water vapor in the gas layer, and the wind velocity played a key role in the heat and mass transfer along the gas-water interface. The water film Reynolds number related to the film thickness and the plate tilt angle markedly exerted an influence on the eddy viscosity and the turbulent Prandtl number of the water film. The ambient atmospheric temperature only dramatically affected the interfacial sensible heat transfer. The magnitude of solar incident flux had intense influence on the water film temperature but not on the interfacial heat and mass transfers.",
keywords = "Heat and mass transfer, Momentum transport, Numerical analysis, Solar irradiation, Water film",
author = "Baoyin Song and Hideo Inaba and Akihiko Horibe and Koichi Ozaki",
year = "1999",
language = "English",
volume = "38",
pages = "384--397",
journal = "International Journal of Thermal Sciences",
issn = "1290-0729",
publisher = "Elsevier Masson SAS",
number = "5",

}

TY - JOUR

T1 - Heat, mass and momentum transfer of a water film flowing down a tilted plate exposed to solar irradiation

AU - Song, Baoyin

AU - Inaba, Hideo

AU - Horibe, Akihiko

AU - Ozaki, Koichi

PY - 1999

Y1 - 1999

N2 - This paper has investigated the heat, mass and momentum transfer of a water film falling over a tilted plate with solar radiant heating and water evaporation. A cluster of physical models which include conduction, convection with flow turbulence, diffusion, radiation and phase change was developed for predicting the characteristics of heat, mass and momentum transfer. A fully implicit control-volume finite-difference procedure was used to solve the coupling equations. The effects of various parameters on heat, mass and momentum transport were investigated. The results revealed that the gradients of temperature and the mass fraction of water vapor in the gas layer, and the wind velocity played a key role in the heat and mass transfer along the gas-water interface. The water film Reynolds number related to the film thickness and the plate tilt angle markedly exerted an influence on the eddy viscosity and the turbulent Prandtl number of the water film. The ambient atmospheric temperature only dramatically affected the interfacial sensible heat transfer. The magnitude of solar incident flux had intense influence on the water film temperature but not on the interfacial heat and mass transfers.

AB - This paper has investigated the heat, mass and momentum transfer of a water film falling over a tilted plate with solar radiant heating and water evaporation. A cluster of physical models which include conduction, convection with flow turbulence, diffusion, radiation and phase change was developed for predicting the characteristics of heat, mass and momentum transfer. A fully implicit control-volume finite-difference procedure was used to solve the coupling equations. The effects of various parameters on heat, mass and momentum transport were investigated. The results revealed that the gradients of temperature and the mass fraction of water vapor in the gas layer, and the wind velocity played a key role in the heat and mass transfer along the gas-water interface. The water film Reynolds number related to the film thickness and the plate tilt angle markedly exerted an influence on the eddy viscosity and the turbulent Prandtl number of the water film. The ambient atmospheric temperature only dramatically affected the interfacial sensible heat transfer. The magnitude of solar incident flux had intense influence on the water film temperature but not on the interfacial heat and mass transfers.

KW - Heat and mass transfer

KW - Momentum transport

KW - Numerical analysis

KW - Solar irradiation

KW - Water film

UR - http://www.scopus.com/inward/record.url?scp=9344229293&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=9344229293&partnerID=8YFLogxK

M3 - Article

VL - 38

SP - 384

EP - 397

JO - International Journal of Thermal Sciences

JF - International Journal of Thermal Sciences

SN - 1290-0729

IS - 5

ER -