Spray formation by flashing of a binary mixture: An energy balance approach

Eran Sher, Michal Zeigerson-Katz

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

An attempt is made to correlate droplets' Sauter mean diameter with the thermodynamic properties of a binary mixture at initial conditions, by means of the process efficiency interpretation and the "available energy" theorem. Two limiting cases are considered; an isothermal process and an adiabatic process. An idealized form of the isothermal model results in a simple correlation that clearly explains some of the relationships between the initial conditions of the binary solution and the spray quality. This is in the form of d32 = 1 - yβ,i/yβ,i · 6σ/ηραRβT0In[P sat(Ti)/P0] The results of the adiabatic model seem to be more realistic and fit the experimental observations better. The process efficiency is found to be about 2 × 10-4. It is possible that the process efficiency depends to a limited extent on the initial conditions.

Original languageEnglish
Pages (from-to)447-459
Number of pages13
JournalAtomization and Sprays
Volume6
Issue number4
DOIs
StatePublished - 1 Jan 1996

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