Abstract
Abstract In the case of a multiple-launch rocket system firing in salvo, the rocket gas jet with different spacing will have different effects on the launch box. In this paper, the multi-barrel rocket launcher launch box was taken as the research object, and the development process of the double-launched and four-launched rocket gas jet impinging launch box under different spacing was numerically simulated. The results showed that under the double salvo, with the increase of the emission spacing, the speed of the gas jet increased, the degree of mutual interference decreased, and the surface pressure on the launch box gradually decreased. A smaller emission spacing would form a stronger airflow interference. The change trend of the four-shot salvo was similar to that of the double-shot salvo, and the change of the phenomenon is more obvious. This study provides a useful reference for further understanding the salvo law of rocket launcher and provides strong support for improving the performance of rocket launcher.
Published Version
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