Volume 20, Issue 1 (January 2020)
Modares Mechanical Engineering 2020, 20(1): 171-179 |
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Mehman Navaz H, Liaghat G, Nabakhteh M, Fazeli H, Rouhbakhsh M, Heidari A. Numerical Analysis of Reactive Shaped Charges with Bimetallic Liner into Discrete Layer Steel Target. Modares Mechanical Engineering 2020; 20 (1) :171-179
URL: http://mme.modares.ac.ir/article-15-27185-en.html
URL: http://mme.modares.ac.ir/article-15-27185-en.html
Numerical Analysis of Reactive Shaped Charges with Bimetallic Liner into Discrete Layer Steel Target
1- Applied Designing Department, Mechanical Engineering Faculty, Sciences and Research branch, Islamic Azad University, Tehran, Iran.
2- Applied Designing Department, Mechanical Engineering Faculty, Tarbiat Modares University, Tehran, Iran , ghlia530@modares.ac.ir
3- Energy Conversion Department, Mechanical Engineering Faculty, Tehran University, Tehran, Iran
4- New Manufacturing Technologies Department, University Complex of Materials & Manufacturing Technology Faculty, Malek Ashtar University, Tehran, Iran
5- Applied Mechanics Department, Mechanical Engineering Faculty, Amir Kabir University, Tehran, Iran
2- Applied Designing Department, Mechanical Engineering Faculty, Tarbiat Modares University, Tehran, Iran , ghlia530@modares.ac.ir
3- Energy Conversion Department, Mechanical Engineering Faculty, Tehran University, Tehran, Iran
4- New Manufacturing Technologies Department, University Complex of Materials & Manufacturing Technology Faculty, Malek Ashtar University, Tehran, Iran
5- Applied Mechanics Department, Mechanical Engineering Faculty, Amir Kabir University, Tehran, Iran
Abstract: (2466 Views)
Recently the use of reactive shaped charges with bimetallic liners are taken into consideration to increase destruction quality in water environments. In this research, according to the results of a series of valid experimental results, the analysis of a reactive shaped charge with a bimetallic liner made of copper-aluminum liner has been numerically verified. In this verification, a suggested theory for the cutoff velocity of bimetallic liners has been used to calculate the cutoff velocity. The amount of penetration depth using a numerical solution is in good agreement with the experimental value. These results have been compared with the values obtained from the analytical solution. Finally, the behavior of the shaped charge with bimetallic liner has been compared with a single metallic liner using the same target geometry in both and it has been shown that the overall penetration quality such as depth, diameter and the profile of reactive shaped charge with a bimetallic liner was found to be better than the single metal liner.
Article Type: Original Research |
Subject:
Metal Forming
Received: 2018/11/14 | Accepted: 2019/05/4 | Published: 2020/01/20
Received: 2018/11/14 | Accepted: 2019/05/4 | Published: 2020/01/20
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