Abstract

A new model for droplet drying is suggested. This model is based on theanalytical solutions to the heat transfer and species di usion equations insidespherical droplets. Small solid particles dispersed in an ambient evaporatingliquid, or a non-evaporating substance dissolved in this liquid, are treatedas non-evaporating components. Three key sub-processes are involved in theprocess of droplet drying within the new model: droplet heating/cooling, diffusionof the components inside the droplets, and evaporation of the volatilecomponent. The model is used to analyse the drying of a spray consistingof chitosan dissolved in water. After completion of the evaporation process,the size of the residual solid ball predicted by the model is consistent withthose observed experimentally.
Original languageEnglish
Pages (from-to)451-458
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Volume122
DOIs
Publication statusPublished - 8 Feb 2018

Fingerprint

droplets
drying
evaporation
spray drying
chitosan
heat transfer
cooling
heat
liquids
water

Bibliographical note

© 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • Droplets
  • heating
  • evaporation
  • drying
  • chitosan
  • water

Cite this

@article{749971f66ef646cd96cab40038c3c533,
title = "A new model for a drying droplet",
abstract = "A new model for droplet drying is suggested. This model is based on theanalytical solutions to the heat transfer and species di usion equations insidespherical droplets. Small solid particles dispersed in an ambient evaporatingliquid, or a non-evaporating substance dissolved in this liquid, are treatedas non-evaporating components. Three key sub-processes are involved in theprocess of droplet drying within the new model: droplet heating/cooling, diffusionof the components inside the droplets, and evaporation of the volatilecomponent. The model is used to analyse the drying of a spray consistingof chitosan dissolved in water. After completion of the evaporation process,the size of the residual solid ball predicted by the model is consistent withthose observed experimentally.",
keywords = "Droplets, heating, evaporation, drying, chitosan, water",
author = "Sergei Sazhin and Oyuna Rybdylova and Ananth Pannala and S. Somavarapu and Shamil Zaripov",
note = "{\circledC} 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/",
year = "2018",
month = "2",
day = "8",
doi = "10.1016/j.ijheatmasstransfer.2018.01.094",
language = "English",
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pages = "451--458",
journal = "International Journal of Heat and Mass Transfer",
issn = "0017-9310",

}

A new model for a drying droplet. / Sazhin, Sergei; Rybdylova, Oyuna; Pannala, Ananth; Somavarapu, S.; Zaripov, Shamil.

In: International Journal of Heat and Mass Transfer, Vol. 122, 08.02.2018, p. 451-458.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - A new model for a drying droplet

AU - Sazhin, Sergei

AU - Rybdylova, Oyuna

AU - Pannala, Ananth

AU - Somavarapu, S.

AU - Zaripov, Shamil

N1 - © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/

PY - 2018/2/8

Y1 - 2018/2/8

N2 - A new model for droplet drying is suggested. This model is based on theanalytical solutions to the heat transfer and species di usion equations insidespherical droplets. Small solid particles dispersed in an ambient evaporatingliquid, or a non-evaporating substance dissolved in this liquid, are treatedas non-evaporating components. Three key sub-processes are involved in theprocess of droplet drying within the new model: droplet heating/cooling, diffusionof the components inside the droplets, and evaporation of the volatilecomponent. The model is used to analyse the drying of a spray consistingof chitosan dissolved in water. After completion of the evaporation process,the size of the residual solid ball predicted by the model is consistent withthose observed experimentally.

AB - A new model for droplet drying is suggested. This model is based on theanalytical solutions to the heat transfer and species di usion equations insidespherical droplets. Small solid particles dispersed in an ambient evaporatingliquid, or a non-evaporating substance dissolved in this liquid, are treatedas non-evaporating components. Three key sub-processes are involved in theprocess of droplet drying within the new model: droplet heating/cooling, diffusionof the components inside the droplets, and evaporation of the volatilecomponent. The model is used to analyse the drying of a spray consistingof chitosan dissolved in water. After completion of the evaporation process,the size of the residual solid ball predicted by the model is consistent withthose observed experimentally.

KW - Droplets

KW - heating

KW - evaporation

KW - drying

KW - chitosan

KW - water

U2 - 10.1016/j.ijheatmasstransfer.2018.01.094

DO - 10.1016/j.ijheatmasstransfer.2018.01.094

M3 - Article

VL - 122

SP - 451

EP - 458

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

SN - 0017-9310

ER -