Penetrating Warhead Shaped Charge Fracture
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Solution Overview
Problem
Penetrating warheads face inefficiency due to energy loss as the strong casing absorbs explosive energy during detonation, reducing the blast effect on the target.
Innovation Solution
A penetrating warhead design that includes a primary explosive charge and a shaped charge positioned to fracture the casing before the primary charge detonates, utilizing a buffering material to prevent premature detonation transfer and direct energy towards the target.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a strong or thick casing is used to deliver explosive charge through protective barrier, then penetration capability is improved, but energy transfer efficiency to target deteriorates
Solution Approach 1:
The shaped charge is detonated before the main explosive charge to pre-fracture the casing. This preliminary action creates openings in the casing structure, allowing the subsequent main explosion to release energy more efficiently toward the target rather than being absorbed by the intact strong casing.
Solution Approach 2:
The explosive system is divided into two separate charges: a shaped charge for casing fracture and a main explosive charge for target destruction. This segmentation allows each charge to perform its specific function optimally, with the shaped charge preparing the path and the main charge delivering the destructive energy.
2Reliability
If strong casing is used to protect explosive charge during impact, then reliability is improved, but blast energy delivery to target deteriorates
Solution Approach 1:
The casing is pre-fractured by the shaped charge before the main explosive detonates. This ensures the protective function of the casing is maintained during impact and penetration, while simultaneously preparing the structure to release blast energy efficiently at the moment of detonation.
Solution Approach 2:
The normally harmful energy absorption by the strong casing is converted into a beneficial effect. The shaped charge utilizes the casing's structural integrity to deliver a precise fracture pattern that optimizes blast energy release, turning the casing's strength from a liability into an asset for controlled energy delivery.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach increases blast energy by reducing casing absorption and enhancing the pressure wave effect, achieving a higher yield for the explosive charge without altering the energy in the explosive materials.
Implementation Method 1
detonating the shaped explosive charge to fracture the casing adjacent the shaped explosive charge
Implementation Method 2
a shaped charge placed against an inside surface of the housing
Implementation Method 3
detonating the primary explosive charge
Implementation Method 4
increases the blast energy that escapes the casing
Data Source
AI summary
An explosive device includes a housing and an explosive charge within the housing. The explosive charge includes a primary explosive charge and a shaped charge placed against an inside surface of the housing. The explosive device may further include a buffering material that separates the shaped charge and the primary explosive charge. The shaped charge provides a means for opening the housing before detonating the primary explosive charge, thereby enhancing the blast effect from detonating the primary explosive charge.