Multi-Point Shaped Charge Jet Warhead for Multiple Penetrators
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Solution Overview
Problem
Existing single SCJ warheads rely on planar detonation waves that limit the formation of metal jets to a single slug and jet, restricting penetration capabilities and efficiency.
Innovation Solution
A multiple SCJ warhead design with controlled multi-point detonation of booster charges to create elevated pressures at multiple locations on the liner, forming and propelling multiple shaped charge jets through constructive interference of detonation waves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single planar detonation wave is used in a conventional SCJ warhead, then the structure is simple and easy to manufacture, but the penetration capability is limited to a single slug and jet
Solution Approach 1:
The single planar detonation wave is segmented into multiple focused detonation waves by using multiple booster charges arranged in an array. Each booster charge creates a localized detonation wave that focuses on a specific region of the liner, enabling the formation of multiple separate SCJs from a single warhead while maintaining manufacturing simplicity
Solution Approach 2:
Multiple booster charges are introduced as intermediary elements between the initiation system and the main charge. These boosters serve as mediators that transform the initiation signal into multiple focused detonation waves, which then act on the liner to create multiple SCJs, thereby enhancing penetration capability without complicating the overall warhead structure
2Productivity
If multiple booster charges are used to create multiple SCJs, then the penetration capability is enhanced, but the device complexity increases
Solution Approach 1:
Multiple booster charges, detonation lenses, and focusing mechanisms are merged into a single integrated array configuration. The boosters are arranged in a geometric pattern that naturally focuses the detonation waves onto the liner without requiring separate complex control systems for each individual SCJ formation, thereby reducing overall device complexity while maintaining multiple SCJ capability
Solution Approach 2:
The array of booster charges serves multiple functions simultaneously: they initiate the main charge, focus the detonation waves, and control the timing and positioning of multiple SCJ formations. This multi-functionality eliminates the need for separate systems for each function, reducing device complexity while achieving enhanced penetration capability
3Volume of moving object
If the warhead volume is reduced to improve delivery, then the penetration depth may be compromised, but the multiple SCJ configuration allows both reduced volume and maintained penetration
Solution Approach 1:
The penetration function is segmented across multiple SCJs instead of relying on a single large charge. Each SCJ provides focused penetration capability, allowing the total warhead volume to be reduced while the collective penetration depth is maintained or enhanced through the combined effect of multiple jets acting on the target
Solution Approach 2:
The detonation pressure distribution is changed from a single planar wave to multiple focused waves with elevated pressures at specific locations on the liner. This parameter change in pressure distribution enables more efficient energy utilization, allowing reduced warhead volume while maintaining penetration depth through higher localized pressures that drive the metal jet forward
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
Enhances penetration capabilities by forming multiple SCJs with higher tip velocities and uniformity, reducing the warhead's volume and improving penetration depth and distribution.
Implementation Method 1
An initiation system is configured for multi-point initiation of the plurality of booster charges to detonate the main charge to produce a plurality of detonation waves
Implementation Method 2
detonation waves that constructively interfere at multiple locations on the back surface of the liner to cut the liner and to form and propel forward a plurality of SCJs
Implementation Method 3
The enormous pressure at the front of the plane wave generated by the detonation of the explosive drives the liner in the hollow cavity inward to collapse upon its central axis to project a high-velocity jet of metal particles forward
Implementation Method 4
Shape-forming charges are explosive charges shaped to focus the effect of the explosive's energy in specific direction and are purely kinetic in nature
Data Source
AI summary
In a MSCJ warhead detonation of the main charge is controlled to provide elevated pressure at multiple locations on the back surface of the liner to cut the liner and to form and propel forward a plurality of SCJs. An initiation system is configured for multi-point initiation of a plurality of booster charges to detonate the main charge to produce a plurality of detonation waves that constructively interfere at multiple locations on the back surface of the liner to form pressure hot spots that cut the liner and to form and propel forward a plurality of SCJs. In different embodiments, the elevated pressures are between 110% and 200% of the detonation pressure at the front of an individual detonation wave. The liner may, for example, include a plurality of recesses such as shallow dimples or deeper conical structures in which case the boosters are aligned to the center of the recessed structures.