ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Experimental Investigations on the Design of Gas Injecting Lances
Satish C. KoriaSarbjit Singh
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1989 Volume 29 Issue 8 Pages 650-657

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Abstract

The influence of different lance lengths and diameters is studied experimentally on the upstream and downstream flow properties of gas such as stagnation and static pressure and the Mach numbers. Experimental results are presented and discussed in terms of the theory of compressible flow of gas for irreversible process of acceleration. The characteristic features of the above process of acceleration, i.e., loss in stagnation pressure, condition for choking and upstream static pressure are confirmed by the results obtained in this study. The implications of the above finding are discussed in relation to the design of lances for submerged gas injection practice.

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