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<p>To improve the fracture capacity of shaped charge warheads of underwater weapons (such as torpedoes) against double-layered submarine hull structures, three types of shaped charge warheads, including single hemispherical liner, conical-hemispherical combined liner, and double- hemispherical combined liner, are designed for penetrating double-layered water target plates. Eight fracture tests were conducted on a 1:3 scale model to investigate the fracture of different liner warheads to underwater targets. Comparing the fracture morphology of the target plates, one of the circular-hemispherical combined and the double-hemispherical combined liner schemes was selected as the full-sized warhead prototype, and then two underwater full-sized warhead experimental tests were carried out. The experimental results show that the two types of full-sized combined liners can completely penetrate the equivalent target plate of a double-hull submarine structure consisting of a 10 mm nonpressure-resistant shell, a 1000 mm intermediate water layer, and a 40 mm pressure- resistant shell target plate. The penetration depth for after-effect target plates was greater than 1300 mm. Under the same conditions, the total penetration depth of the conical-hemispherical combined liner was about 1.6 times that of the double-hemispherical combined liner, indicating its optimal penetration. The results can provide an idea and experimental verification for designing underwater weapon warheads and ship protection.</p>

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Comparative Experimental Study on the Performance of Three Types of Liner Shaped Charge Warheads

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • X. F. Huang,
  • J. P. Chu,
  • F. M. Zhan,
  • J. C. Feng,
  • F. Y. Zhou

摘要

To improve the fracture capacity of shaped charge warheads of underwater weapons (such as torpedoes) against double-layered submarine hull structures, three types of shaped charge warheads, including single hemispherical liner, conical-hemispherical combined liner, and double- hemispherical combined liner, are designed for penetrating double-layered water target plates. Eight fracture tests were conducted on a 1:3 scale model to investigate the fracture of different liner warheads to underwater targets. Comparing the fracture morphology of the target plates, one of the circular-hemispherical combined and the double-hemispherical combined liner schemes was selected as the full-sized warhead prototype, and then two underwater full-sized warhead experimental tests were carried out. The experimental results show that the two types of full-sized combined liners can completely penetrate the equivalent target plate of a double-hull submarine structure consisting of a 10 mm nonpressure-resistant shell, a 1000 mm intermediate water layer, and a 40 mm pressure- resistant shell target plate. The penetration depth for after-effect target plates was greater than 1300 mm. Under the same conditions, the total penetration depth of the conical-hemispherical combined liner was about 1.6 times that of the double-hemispherical combined liner, indicating its optimal penetration. The results can provide an idea and experimental verification for designing underwater weapon warheads and ship protection.