Projectile Muzzle Blast Simulation via Direct Impact
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Solution Overview
Problem
Existing shock simulators cannot reproduce the specific environments of muzzle blasts encountered by projectiles, as they require a mechanical resonator that modifies the structural reality of the projectile.
Innovation Solution
A device comprising a suspension system to freely mount the projectile along its longitudinal axis, a propulsion system to propel an impactor towards the rear end of the projectile, and an impactor to directly strike the projectile, simulating the shock response spectrum of a muzzle blast.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a mechanical resonator is used to reproduce shock environments, then the shock response spectrum can be reproduced, but the structural reality of the projectile is modified
Solution Approach 1:
The invention removes the mechanical resonator from the test setup entirely. Instead of using a resonator to generate shocks, the projectile itself is suspended and directly impacted by a propelled mass. This extraction of the resonator eliminates the modification of structural reality while still achieving shock response spectrum reproduction through direct impact on the suspended projectile.
Solution Approach 2:
Rather than using a resonator to generate vibrations that simulate muzzle blast, the invention inverts the approach by directly impacting the suspended projectile with a propelled mass. This inversion allows the projectile's own structural response to be measured without artificial resonance, achieving both accurate shock response spectrum reproduction and structural fidelity.
2Adaptability or versatility
If a mechanical resonator is placed on the projectile, then shock environments can be simulated, but the device complexity increases
Solution Approach 1:
The mechanical resonator is completely removed from the test setup. The shock simulation is achieved through a simpler configuration consisting of a suspension device, propulsion device, and impactor. This extraction reduces device complexity while maintaining shock environment simulation capability through direct impact on the suspended projectile.
Solution Approach 2:
The invention introduces a suspension device as an intermediary between the projectile and the impactor. This suspension system allows the projectile to be freely mounted and respond naturally to impact forces without requiring a mechanical resonator, thereby simplifying the overall device complexity while preserving shock simulation versatility.
3Reliability
If existing shock simulators are used, then equipment resistance can be tested, but muzzle blast specific environments cannot be reproduced
Solution Approach 1:
The invention employs a dynamic suspension system that allows the projectile to move freely along its longitudinal axis during impact. This dynamic mounting approach enables the projectile to respond naturally to muzzle blast-like shocks, achieving both equipment resistance testing and specific muzzle blast environment reproduction that static existing simulators cannot provide.
Solution Approach 2:
The invention changes the fundamental parameters of the test setup by suspending the projectile freely rather than mounting it rigidly, and by using a propelled impactor instead of a mechanical resonator. These parameter changes enable the system to reproduce muzzle blast specific environments while maintaining equipment resistance testing capability.
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
The solution provides high fidelity simulation of the dynamic munition-related environment, allowing the projectile to be stressed as a whole without intermediate artifices, effectively reproducing the shock response spectrum specific to a projectile exit from a muzzle.
Implementation Method 1
a suspension device configured for suspending the projectile along the longitudinal direction thereof so that the projectile in the suspended position thereof is freely mounted along the longitudinal axis thereof
Implementation Method 2
a propulsion device configured for being arranged facing the rear end of the projectile in the suspended position thereof at a predetermined distance therefrom; and an impactor configured for being propelled by the propulsion device, at a predefined velocity toward the rear end of the projectile
Implementation Method 3
strike the rear end of the projectile in order to reproduce a shock response spectrum which is specific to an exit of the projectile from the muzzle
Data Source
AI summary
A device for simulating a dynamic munition-related environment for a projectile, and a simulation device-projectile assembly including: a suspension device configured for suspending the projectile along the longitudinal direction of the projectile in such a way that the projectile is mounted freely along the longitudinal axis of the projectile; a propulsion device configured for being positioned facing the rear end of the projectile at a predefined distance from the projectile; and an impactor configured for being propelled, by the propulsion device, at a predetermined velocity toward the rear end of the projectile so as to strike the projectile so as to reproduce a shock response spectrum specific to an exit from a muzzle.