A similarity model of evaporating liquid spray jets in concurrent gas-solid flows

Document Type

Article

Publication Date

9-24-2001

Abstract

A simple analytical model of spray jet evaporation in gas-solid suspension flows has been developed, which is based on the extension of similarity correlation from two-phase jets to three-phase jets. Effects of particle concentration, ambient temperature, and solids thermal capacity on the jet structure are illustrated. It is found that the evaporation length can be significantly shortened by the increase of particle concentration while the jet boundaries are expanded. Similar reductions in the jet evaporation region can also be attained by elevating the ambient temperature or by using higher thermal capacity solids. Comparison of jet evaporation lengths from the model predictions and previously reported experiment results suggests that the proposed similarity approach is reasonable. © 2001 Elsevier Science B.V. All rights reserved.

Identifier

0035944166 (Scopus)

Publication Title

Powder Technology

External Full Text Location

https://doi.org/10.1016/S0032-5910(01)00262-5

ISSN

00325910

First Page

292

Last Page

297

Issue

2-3

Volume

119

Grant

35514-AC9

Fund Ref

American Chemical Society

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