Heat transfer performance of a lubricant-infused thermosyphon at various filling ratios

F. Y. Lv, P. Zhang, Daniel Mantecon Orejon, A. Askounis, Biao Shen

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The effect of the filling ratio (25% ≤ FR ≤ 98%) on the heat transfer performance of a novel two-phase closed thermosyphon (TPCT) combined with a superhydrophilic (SHi) evaporator and slippery lubricant-infused porous surface (SLIPS) condenser (TPCT-SHiSL) is systematically investigated in the present study. On the evaporator side, experimental results show that a different evaporation mechanism takes place dependent on the filling ratio, which has a strong impact on the overall heat transfer performance. Film evaporation plays a dominant role at the filling ratio of 25% and at the filling ratios of 40% and 70% at low heat flux. Nonetheless, film evaporation is gradually reduced and pool boiling becomes important at the filling ratios of 40% and 70% for moderate and high heat fluxes. Finally, pool boiling plays a dominant role for the TPCT-SHiSL at the filling ratio of 98%. In the case of the condenser, the condensation heat transfer of the SLIPS is reduced with increasing filling ratio. Balancing between the thermal resistance and heat transfer capacity, the TPCT-SHiSL at the filling ratio of 40% shows the best heat transfer performance.

Original languageEnglish
Pages (from-to)725-736
Number of pages12
JournalInternational Journal of Heat and Mass Transfer
Volume115
DOIs
Publication statusPublished - Jan 1 2017

Fingerprint

thermosiphons
Thermosyphons
lubricants
Lubricants
heat transfer
Heat transfer
Evaporation
evaporators
condensers
evaporation
Evaporators
boiling
Boiling liquids
Heat flux
heat flux
Condensers (liquefiers)
thermal resistance
Heat resistance
Condensation
condensation

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

Heat transfer performance of a lubricant-infused thermosyphon at various filling ratios. / Lv, F. Y.; Zhang, P.; Orejon, Daniel Mantecon; Askounis, A.; Shen, Biao.

In: International Journal of Heat and Mass Transfer, Vol. 115, 01.01.2017, p. 725-736.

Research output: Contribution to journalArticle

Lv, F. Y. ; Zhang, P. ; Orejon, Daniel Mantecon ; Askounis, A. ; Shen, Biao. / Heat transfer performance of a lubricant-infused thermosyphon at various filling ratios. In: International Journal of Heat and Mass Transfer. 2017 ; Vol. 115. pp. 725-736.
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