Compensating Muzzle Brake with Supersonic Gas Interruption
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Solution Overview
Problem
Existing compensating muzzle brakes (CMBs) fail to effectively reduce recoil and barrel rise due to inefficient gas dynamics, where supersonic gas streams do not interact with obstacles, resulting in low pressure and temperature, and turbulence affects projectile stability.
Innovation Solution
The CMB features a tubular nozzle with interconnected cut-off chambers and circular elements that create a normal shock wave, increasing pressure and forming a stable reactive force by redirecting gas streams through side outlets, ensuring efficient compensation of recoil and rise effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If supersonic gas streams are allowed to flow freely through the muzzle brake, then gas flow is maintained, but pressure and temperature remain low and turbulence affects projectile stability
Solution Approach 1:
A supersonic flow converter is introduced as an intermediary device between the barrel and the muzzle brake. This converter transforms the supersonic gas stream into a subsonic stream with higher pressure and temperature, eliminating turbulence while maintaining effective gas flow through the muzzle brake chambers.
Solution Approach 2:
The gas flow parameters (pressure, temperature, velocity) are changed by the supersonic flow converter. The converter increases pressure and temperature while decreasing velocity, transforming the gas stream from supersonic to subsonic state. This parameter change eliminates turbulence and improves projectile stability.
2Force
If gas streams are redirected through side outlets to compensate for recoil and rise, then compensating force is generated, but the construction becomes more complex
Solution Approach 1:
The muzzle brake is divided into multiple functional chambers (first chamber with upwardly directed outlets, second chamber with laterally directed outlets, third chamber with downwardly directed outlets). Each chamber handles a specific component of the compensating force, allowing systematic design and assembly while achieving comprehensive recoil and rise compensation.
Solution Approach 2:
The gas outlet directions are arranged in multiple spatial dimensions (upward, lateral, downward) rather than a single direction. This multi-dimensional arrangement allows the muzzle brake to compensate for both vertical rise and horizontal recoil effects simultaneously, improving overall compensation efficiency.
3Adaptability or versatility
If the muzzle brake is designed to handle both recoil and rise compensation, then comprehensive compensation is achieved, but the device complexity increases
Solution Approach 1:
The muzzle brake is designed as a multi-functional device that simultaneously performs multiple tasks: (1) generating compensating force for recoil, (2) compensating for barrel rise, (3) maintaining gas flow, and (4) stabilizing the projectile. The integrated design with multiple chambers and strategically positioned outlets achieves all these functions without requiring separate devices.
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 design significantly enhances the compensating reactive force, reducing recoil and barrel rise, and improves projectile stability by doubling the pressure and redirecting gas streams effectively, as demonstrated in shooting tests with a 223 caliber sporting rifle.
Implementation Method 1
A normal shock wave is formed in the circular element, in a climbing supersonic gas stream in the space between the flat annular surface and critical nozzle cross-section
Implementation Method 2
The peripheral outlet end of the cut-off chamber, by means of a smooth passage, provides for smooth turn-back and reflection (deflection) of gas sidewards and backwards with reference to the direction of fire from the side through outlet ports
Implementation Method 3
a bullet-following gas stream turns back to be released away in the direction opposite to an action of fire
Data Source
AI summary
FIELD: gas units.SUBSTANCE: muzzle brake-compensator (MBC) with a system for interrupting a supersonic gas flow contains a housing, annular elements connected to each other by cutting off chambers with nozzles. The nozzles are united by an internal through channel for the passage of the projectile and the gas jet. In the working area of each cut-off chamber, at least one side outlet window is located so that when the MBC is installed on the end of the weapon barrel, the side outlet windows of each chamber are oriented perpendicularly or at an angle back to the direction of the outgoing gases. EFFECT: technical result is an increase in the effectiveness of the muzzle device, a decrease in recoil and a decrease in toss when fired.