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- W4313181543 abstract "The Cased Telescoped Ammunition (CTA) adopts a new launching technology, which has the advantages of short projectile feeding distance, fast launching speed, compact structure. In the process of weapon launching, due to the continuous acceleration of the projectile, the gas in front of the projectile is compressed to form a shock wave. After the shock wave exits the muzzle, it expands rapidly and forms a precursor flow. In order to study the characteristics of shock waves and the formation of precursor flow, the two-dimensional axisymmetric muzzle flow field model of a 6mm CTA bullet is established. Based on the charge characteristics of CTA, a two-stage zero-dimensional interior ballistic mathematical model is established. The zero-dimensional interior ballistic model is coupled with the muzzle flow field model by the user-defined functions (UDF) of CFD code FLUENT. The model is numerically calculated and the mesh independence is verified. The numerical results are in good agreement with the experimental results, which shows the accuracy of the model. From the numerical results, it can be found that compared with conventional ammunition, the shock wave formation process of CTA is later, and the muzzle velocity is increased by 4.2%." @default.
- W4313181543 created "2023-01-06" @default.
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- W4313181543 creator A5064269103 @default.
- W4313181543 date "2022-01-01" @default.
- W4313181543 modified "2023-09-29" @default.
- W4313181543 title "Investigation on precursor flow of cased telescoped ammunition coupling interior ballistic process" @default.
- W4313181543 doi "https://doi.org/10.1049/icp.2022.1959" @default.
- W4313181543 hasPublicationYear "2022" @default.
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