Measurement of in-bore side loads and comparison to first maximum yaw

Carlucci, Donald E.; Decker, Ryan; Vega, Julio; Ray, Douglas

doi:10.1016/j.dt.2015.12.003

Cited by 6 publications

(4 citation statements)

References 2 publications

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“…During the process of the projectile's motion in the bore, the acceleration is generated by the gas pressure of the bore, and the overload g is used to represent the overload force . In order to better understand the chamber pressure of projectile during the process of projectile’ movement in the launch tube, the electrical output performance of piezoelectric ceramics can be estimated accurately.…”

Section: Shock Pressure Analysismentioning

confidence: 99%

Experimental research on piezoelectric ceramics activating micro‐sized thermochemical battery

Tang

Wang

et al. 2019

Int J Applied Ceramic Tech

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To verify feasibility of piezoelectric ceramic activating micro-sized thermochemical batteries, it is very necessary to disclose shock pressure and electric output performances of piezoelectric ceramic. In order to simulate piezoelectric ceramic activating micro-sized thermochemical batteries in the bore, shock pressure, and electronic output testing systems for piezoelectric ceramic have been established. And the piezoelectric ceramics composite structural targets are impacted using one-stage light gas gun to load projectile, which is used to simulate the overload of the projectile with piezoelectric ceramics during projectile launching process, and combining with the experimental tests of a military 3# electric fuse head as a firing component in series. In experiments, the composite structural targets (front steel substrate-piezoelectric ceramic-rear steel substrate) are vertically impacted by the cylindrical 2A12 aluminum projectiles. The change rules of shock pressure, output voltage, and current peak values for piezoelectric ceramics are obtained at the different experimental parameters, and the firing conditions of piezoelectric ceramic igniting the military 3# electric fuse heads and ignition paper are presented. K E Y W O R D Selectrical output of piezoelectric ceramics, high-velocity impact, micro-sized thermochemical battery activation, piezoelectric ceramics, shock pressure peak

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Section: Shock Pressure Analysismentioning

confidence: 99%

Experimental research on piezoelectric ceramics activating micro‐sized thermochemical battery

Tang

Wang

et al. 2019

Int J Applied Ceramic Tech

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“…The silencer and muzzle brake problems are most often addressed in the scientific literature: impact on bullet trajectory [77][78][79], effects of sound pressure generated during the shot on hearing [80][81][82][83][84][85], and reducing the sound pressure of firearms by using various types of silencers [86][87][88]. However, problems related to the use of the device for recreational use are not addressed.…”

Section: Introductionmentioning

confidence: 99%

Force and Sound Pressure Sensors Used for Modeling the Impact of the Firearm with a Suppressor

et al. 2020

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In this paper, a mathematical model for projectiles shooting in any direction based on sensors distributed stereoscopically is put forward. It is based on the characteristics of a shock wave around a supersonic projectile and acoustical localization. Wave equations for an acoustic monopole point source of a directed effect used for physical interpretation of pressure as an acoustic phenomenon. Simulation and measurements of novel versatile mechanical and acoustical damping system (silencer), which has both a muzzle break and silencer properties studied in this paper. The use of the proposed damping system can have great influence on the acoustic pressure field intensity from the shooter. A silencer regarded as an acoustic transducer and multi-holes waveguide with a chamber. Wave equations for an acoustic monopole point source of a directed effect used for the physical interpretation of pressure as an acoustic phenomenon. The numerical simulation results of the silencer with different configurations presented allow trends to be established. A measurement chain was used to compare the simulation results with the experimental ones. The modeling and experimental results showed an increase in silencer chamber volume results in a reduction of recorded pressure within the silencer chamber.

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“…There is some concern that suppressors may also affect these aspects of bullet flight. It has been shown in larger guns that uneven pressure distributions near the muzzle are well correlated with the peak projectile yaw early in flight [4]. A common question is whether and to what degree suppressors influence bullet yaw, which would also influence bullet drag, since the total drag coefficient has a quadratic dependence on the angle of attack [5,Eq.…”

Section: Introductionmentioning

confidence: 99%

Effects of Sound Suppressors on Muzzle Velocity, Bullet Yaw and Drag

Courtney¹,

Couvillion²,

Courtney³

et al. 2017

30th International Symposium on Ballistics

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Little has been published regarding whether and how sound suppressors impact bullet flight, including velocity, bullet yaw, and drag. These parameters were compared for four different bullets fired from a .300 Winchester Magnum under four different muzzle conditions (no device and three different suppressors). While effects were not observed in all cases, results indicate that sound suppressors can have the effect of reducing bullet yaw and drag significantly, and can also have small effects on muzzle velocity. Results further suggest that bullets with a propensity to yaw demonstrate significant reductions in yaw and drag when shot through a two stage symmetric suppressor versus unsuppressed or with a conventional mouse-hole/K-baffle design.

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Measurement of in-bore side loads and comparison to first maximum yaw

Cited by 6 publications

References 2 publications

Experimental research on piezoelectric ceramics activating micro‐sized thermochemical battery

Experimental research on piezoelectric ceramics activating micro‐sized thermochemical battery

Force and Sound Pressure Sensors Used for Modeling the Impact of the Firearm with a Suppressor

Effects of Sound Suppressors on Muzzle Velocity, Bullet Yaw and Drag

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