Flow and heat transfer characteristics of supercritical nitrogen in a vertical mini-tube

P. Zhang, Y. Huang, B. Shen, R. Z. Wang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Supercritical fluids show many tremendously strange characteristics, such as singularities in compressibility and viscosity, diminishing difference in vapor and liquid phases and so on, which have attracted a lot of experimental and theoretical investigations for the fundamental research. In the present study, experimental investigations of the fluid flow and heat transfer characteristics of supercritical nitrogen in a mini-tube of about 2.0 mm in diameter and 220.0 mm in length are carried out, the effects of many influential factors on the fluid flow and heat transfer are studied. Meanwhile, the numerical analysis of the fluid flow and heat transfer characteristics of supercritical nitrogen is also conducted by using FLUENT. It is found that the agreement between the experimental and numerical results is quite good and the further interpretation and discussion are carried out.

Original languageEnglish
Pages (from-to)287-295
Number of pages9
JournalInternational Journal of Thermal Sciences
Volume50
Issue number3
DOIs
Publication statusPublished - Mar 1 2011

Fingerprint

fluid flow
Flow of fluids
heat transfer
tubes
Heat transfer
Nitrogen
nitrogen
Supercritical fluids
supercritical fluids
Compressibility
compressibility
numerical analysis
Numerical analysis
liquid phases
Vapors
Viscosity
viscosity
vapor phases
Liquids

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Engineering(all)

Cite this

Flow and heat transfer characteristics of supercritical nitrogen in a vertical mini-tube. / Zhang, P.; Huang, Y.; Shen, B.; Wang, R. Z.

In: International Journal of Thermal Sciences, Vol. 50, No. 3, 01.03.2011, p. 287-295.

Research output: Contribution to journalArticle

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