Effect of heat and mass transfer on the instability of an annular liquid sheet. (November 2019)
- Record Type:
- Journal Article
- Title:
- Effect of heat and mass transfer on the instability of an annular liquid sheet. (November 2019)
- Main Title:
- Effect of heat and mass transfer on the instability of an annular liquid sheet
- Authors:
- Qian, Weijia
Lin, Yuzhen
Hui, Xin - Abstract:
- Highlights: Instability of an annular liquid sheet with heat and mass transfer is studied. Energy budget is calculated to explain various instability mechanisms. Heat and mass transfer promote instability mainly at small wave numbers. Effects of various dimensionless parameters on the instability are investigated. Abstract: A temporal linear instability analysis has been conducted to investigate the effect of heat and mass transfer on the instability of an annular liquid sheet axially moving in the gas medium. The dispersion relation is obtained and solved numerically. Energy budget is calculated to provide physical insights of various instability driving mechanisms. The results show that heat and mass transfer promotes the wave growth rate mainly at small wave numbers. In contrast to the case without heat and mass transfer, the wave growth rate with strong heat and mass transfer peaks at zero wave number. Liquid viscosity is found to have a minimal stabilizing effect on the sheet instability. Regardless of the heat and mass transfer, increasing liquid Weber number suppresses the sheet instability below a crossover point of wave number at 1.15, and promotes the sheet instability above the crossover point. In the presence of strong heat and mass transfer, increasing gas-to-liquid density ratio reduces the wave growth rate at small wave numbers below 0.28, and beyond which increases the wave growth rate. Reducing sheet thickness promotes the sheet instability for all waveHighlights: Instability of an annular liquid sheet with heat and mass transfer is studied. Energy budget is calculated to explain various instability mechanisms. Heat and mass transfer promote instability mainly at small wave numbers. Effects of various dimensionless parameters on the instability are investigated. Abstract: A temporal linear instability analysis has been conducted to investigate the effect of heat and mass transfer on the instability of an annular liquid sheet axially moving in the gas medium. The dispersion relation is obtained and solved numerically. Energy budget is calculated to provide physical insights of various instability driving mechanisms. The results show that heat and mass transfer promotes the wave growth rate mainly at small wave numbers. In contrast to the case without heat and mass transfer, the wave growth rate with strong heat and mass transfer peaks at zero wave number. Liquid viscosity is found to have a minimal stabilizing effect on the sheet instability. Regardless of the heat and mass transfer, increasing liquid Weber number suppresses the sheet instability below a crossover point of wave number at 1.15, and promotes the sheet instability above the crossover point. In the presence of strong heat and mass transfer, increasing gas-to-liquid density ratio reduces the wave growth rate at small wave numbers below 0.28, and beyond which increases the wave growth rate. Reducing sheet thickness promotes the sheet instability for all wave numbers. The energy budgets show that the inner gas disturbance is most responsible for promoting the wave growth rate at large liquid Weber numbers; and the inner interface dominates the outer one in destabilizing the annular liquid sheet. … (more)
- Is Part Of:
- International journal of heat and mass transfer. Volume 143(2019)
- Journal:
- International journal of heat and mass transfer
- Issue:
- Volume 143(2019)
- Issue Display:
- Volume 143, Issue 2019 (2019)
- Year:
- 2019
- Volume:
- 143
- Issue:
- 2019
- Issue Sort Value:
- 2019-0143-2019-0000
- Page Start:
- Page End:
- Publication Date:
- 2019-11
- Subjects:
- Linear instability analysis -- Annular liquid sheet -- Heat and mass transfer -- Energy budget
Heat -- Transmission -- Periodicals
Mass transfer -- Periodicals
Chaleur -- Transmission -- Périodiques
Transfert de masse -- Périodiques
Electronic journals
621.4022 - Journal URLs:
- http://www.sciencedirect.com/science/journal/00179310 ↗
http://www.elsevier.com/journals ↗ - DOI:
- 10.1016/j.ijheatmasstransfer.2019.118499 ↗
- Languages:
- English
- ISSNs:
- 0017-9310
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 4542.280000
British Library DSC - BLDSS-3PM
British Library HMNTS - ELD Digital store - Ingest File:
- 16302.xml