IGC synthesis of tin nanophase particles Part I

Study on convection gas currents in IGC chamber

Moo Young Huh, J. S. Kim, J. P. Ahm

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In order to optimise process variables during the synthesis of tin nanophase particles in an inert gas condensation (IGC) chamber, a two-dimensional finite difference method (FDM) simulation on convection gas currents is proposed and calculated for various boundary conditions. The convection gas velocity and temperature for the 95 × 105 positions in the chamber were calculated by simulation and compared with experimental results. In the FDM simulation, the governing equations consisted of continuity, momentum, and energy equations. The effects of convection gas pressure, evaporation temperature, position of the evaporation source, and chamber size on the formation of convection currents were investigated by the FDM simulation and experiments. It turned out that among various process variables, the convection gas pressure played the most important role in the formation of the convection gas current that gave rise to an impact on the shape and size of synthesised tin nanophase particles.

Original languageEnglish
Pages (from-to)154-159
Number of pages6
JournalPowder Metallurgy
Volume45
Issue number2
Publication statusPublished - 2002 Dec 1

Fingerprint

Noble Gases
Tin
Inert gases
rare gases
Condensation
tin
convection
condensation
chambers
Gases
synthesis
gases
Finite difference method
gas pressure
simulation
evaporation
convection currents
Evaporation
continuity equation
Convection

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

IGC synthesis of tin nanophase particles Part I : Study on convection gas currents in IGC chamber. / Huh, Moo Young; Kim, J. S.; Ahm, J. P.

In: Powder Metallurgy, Vol. 45, No. 2, 01.12.2002, p. 154-159.

Research output: Contribution to journalArticle

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