Detonation wave propagation in shaped charges with large. Us3035518a us815336a us81533659a us3035518a us 3035518 a us3035518 a us 3035518a us 815336 a us815336 a us 815336a us 81533659 a us81533659 a us 81533659a us 3035518 a us3035518 a us 3035518a authority us united states prior art keywords detonation explosive trains. Shaper effects on detonation wave in shaped charges pezzica, g pazienza, g. Visit and discover thousands of pro audio and music freewares.
First go to our download page and get the newest installer from any of the mirror sites. Waveshaper cm by cableguys waveshaper vst plugin and audio. The defernoux equation is used for the deflection angle and the coefficients k and. Waveshaper 4000a multiport optical processor finisar. River technology mclaughlin whitewater design group. Ebws use a different physical mechanism than blasting caps, using more electricity delivered much more rapidly, and explode in a much more. By controlling the exact level, shape and duration of these sounds, you can give your tracks the perfect tightness and dynamics they need, in ways that a compressor cant always do. The effects of detonation wave contours on the formation of efp were studied using the lsdyna software. Numerical and experimental study of wave shaper effects on detonation wave. Detonation wave is a shock wave in a reactive medium that is sustained by energy released in chemical reactions that the shock itself triggers and sustains. Calculation results show that when the diameter of the wave shaper is reduced or the distance between the wave shaper and liner increases, the incident angle of the detonation wave. Twodimensional, axisymmetric cth simulations were used to design the warhead. Improvement of shaped charge penetration capability and.
Preferably, the wave shaper is symmetrical about the longitudinal axis. Due to its customizability, wave shaper is an organic curls system suitable for all hair types, even damaged hair or sensitive scalps. Most of them are vintage analogue drum machines processed through tube amps, compressors, and various hardware units. Streak length, corresponding times and velocities for experiment without wave shaper are given in table 5 comparison of experimental and simulation velocities having no wave shaper is plotted in fig. Shock wave generator for irans nuclear weapons program fdd.
Us3035518a us815336a us81533659a us3035518a us 3035518 a us3035518 a us 3035518a us 815336 a us815336 a us 815336a us 81533659 a us81533659 a us 81533659a us 3035518 a us3035518 a us 3035518a authority us united states prior art keywords detonation. Detonation wave propagation in microscale groove charges. Saturating sound with the wave shaper linkedin learning. Wave shaper is a multi media merging the worlds of music, video, art and hifashion. The simplest theory to predict the behaviour of detonations in gases is known as chapmanjouguet cj theory, developed around the turn of the 20th century.
Shaper effects on detonation wave in shaped charges calculation of the wave. The calculated results show that the contours of three typical detonation waves can be formed in the main charge by changing the thickness of wave shaper. All the slices along the transverse direction, the yor zdirection in the 3d detonation are similar those of the 2d detonation, or a purely 2d mode with triple point lines just in the y or zdirection. Powerful explosives 2, detonation wave shaping 3, and the use of highdensity and highductility liner materials are the main ways to achieve this goal 4. A detonation wave follows slightly different rules from an ordinary shock since it is driven by the chemical reaction occurring behind the shock wave front. The first mention of the application of wave shaping to shaped charges in the open literature is in the classic paper of birkhoff, mcdougall, pugh and taylor in 1948 6. The explodingbridgewire detonator ebw, also known as exploding wire detonator is a type of detonator used to initiate the detonation reaction in explosive materials, similar to a blasting cap because it is fired using an electric current.
Flowout boundary condition is applied to all computational limits expect the symmetry to avoid effects of detonation reflections during propagation process 15. But the techstar 306 drum brain has a far wider sonic range than the classic lazer tom sound, thanks to its clap and synth modules. Study of detonation wave contours in efp warhead sciencedirect. Hornet harmonics is a wave shaper based on the chebyshev polynomials. The shape and the velocity of the water creating desired features rely on the amount of water in the channel and the shape of the river bed unless you have a wave shapertm to create the hydraulic shape you want, when you want it.
This theory, described by a relatively simple set of algebraic equations, models the detonation as a propagating shock wave accompanied by exothermic heat release. Every effort has been made to ensure the information in it is correct at the time of going to press. This is an original plugin designed just for cm by cableguys. Unlike the conventional approach of providing a few predefined patterns, mwaveshaper lets you construct your own shape creating a much greater range and control over your sound. In this video i show you how to use the fruity waveshaper effect plugin that comes with fl studio. Numerical simulation of the effect of waveshaper on.
Basic concept the static and dynamic planar initiators shape a detonation wave from a single initiation point into a linear distribution of wavefronts. The free space is filled with still air density of 0. This research was sponsored by the national program for support of topnotch. Us8161881b2 us12388,149 us38814909a us8161881b2 us 8161881 b2 us8161881 b2 us 8161881b2 us 38814909 a us38814909 a us 38814909a us 8161881 b2 us8161881 b2 us 8161881b2 authority us united states prior art keywords booster detonation fuze comprises shaper prior art date 20080218 legal status the legal status is an assumption and is not a. Pdf research on forming of efp warhead with waveshaper and.
The development of detonation waves all around the wave. Embedding a wave shaper in charge is one of the ways to shape a detonation wave. The detonation wave shaping is considered to be the most efficient way of improving the penetration performance of warheads 5. The calculated results show that the contours of three typical detonation waves, such as conical detonation wave, spherical detonation wave, and planar detonation wave, can. This patented device focuses and shapes flowing water unlike any other product on the market, and can. Mach reflection can take place during detonation wave propagation with large waveshaper, and the pressure up to 23 times of chapmanjouguet cj pressure is reached at the collision point. Design your own waveshaping curves using soft, hard and. We will see a combustion wave propagating down the tube with constant speed of less than one meter per second. A hollow aluminum pusher with a boron content of 511b up to 40%, designed to absorb neutrons emitted from the plutoniumuranium assembly and to reduce the pressure drop behind the front of the detonation wave in the explosive shell this solution increased the pressure of the gasdynamic wave that passed to the center diameter of 460 mm had a thickness of about 115.
Experimental visualization of the structure of rotating. Dependence of the shape of a detonation wave front on the detonation wave velocity upon detonation of a cylindrical charge. Abstractan analytical model for calculating the propagation time of shock wave in a wave shaper is presented in this study. In general, it is a device composed of several explosive charges. The calculated results show that the contours of three typical detonation waves, such as conical detonation wave, spherical detonation wave, and planar detonation wave, can be formed in the main charge by changing the thickness of wave shaper. Rich in antioxidants, amino acids and plant proteins, this organic perm leaves hair healthy and soft. A method to increase the tip velocity of a shaped charge.
A shaped charge warhead having a longitudinal axis includes a casing. M initiation and correction of the detonation wave in the shaped charge peripheral zone between the detonator booster charge and the main explosive charge fig. Thus, the device is a combination of an sc and an air cavity charge. The initial parameters of shock wave in wave shaper. A jet cutter apparatus and method for using a single bridge wire or a plurality of bridge wires to uniformly detonate a booster and thereby cause a uniform detonation of the explosives adjacent to the liners, thereby causing a uniform compression of the liners to form a uniform plasma jet that is substantially radially perpendicular to the jet cutter. I tried with boundary condition of inlet10 bar and exit1 bar but the cylindrical duct did not show any shock wave propagation during transiet simulation. Using a cylindrical highexplosive charge with a wave shaper is an efficient way of achieving convergent detonation. The first attack, initial hit or onset of a sound is known as its transient. This course tours the programs virtual instruments, including the es2 hybrid synthesizer, sculpture physical modeling synthesizer, efm1 fm synthesizer, the evoc 20 vocoder, the ultrabeat drum synthesizer, and the exs24 sampler, and shows how to achieve various effects with. A simple plane wave lens, using an inert central plastic wave shaper, has been designed. Wave shaper article about wave shaper by the free dictionary.
In the simplest theory for detonations, an unsupported, selfpropagating detonation wave proceeds at the chapmanjouguet velocity. Nov 26, 2008 download wave shaper an audacity plugin that compresses or expands the wave according to the value that is entered. Cubes, spheres, rods designs that benefited shaped charge have negligible benefit to fragmentation. For example, if you are located in central europe, you can choose the server in the czech republic. Mesh plots of the different configurations are also reported. This patented device focuses and shapes flowing water unlike any other product.
Enhanced fragmentation studies for a 40mm dual purpose. Its nonlinear processing lets you adjust the level of harmonics added to the signal, warming it up in different ways. Coupling the wall heat transfer characteristics of the rdc flowfield consisting of detonation, oblique shock, combustion and other complicated. An explosive lensas used, for example, in nuclear weaponsis a highly specialized shaped charge. Several attempts have been made during the last years to model shaped charge jet breakup phenomenon. This distributed front forms the planar detonation wave. These charges are arranged and formed with the intent to control the shape of the detonation wave passing through them. Theoretical modelling of shaped charges in the last two. Free with computer music magazine, waveshaper cm is a plugin effect that lets you design your own distortion curves and analyse signals with a builtin multifunction oscilloscope. Detonation wave article about detonation wave by the. With smack attack, you can unleash or tame kicks, snares, claps, drum samples.
Numerical resolution of pulsating detonation waves 219 in the above relations the variables have been made dimensionless with respect to the uniform state ahead of the detonation front the unburned state. This site is dedicated to electronic percussive samples carefully recorded and gathered as drumkits. Detonation wave shaper download pdf info publication number us3035518a. The simplest waveshaper, an inert disc placed at the top of the charge, provides rim initiation to give cylindrical convergence of the detonation wave and an. Rick mclaughlins patented wave shaper also adjusts the character of a feature at. Fl studio tutorial how to use fruity waveshaper youtube. Study of detonation wave contours in efp warhead cyberleninka. The mathematical expression for the detonation velocity was derived and a numerical calculation method of detonation velocity and shock front shape was given using matlab software. Powerful explosives 2, detonation wave shaping 3, and the use of.
Pdf study of detonation wave contours in efp warhead. The manny marroquin tone shaper plugin is a parallel compressor with 4 bands plus eq and secret ingredients to change the tonality of a track to match your mix. An analytical model for calculating the propagation time of shock wave in a wave shaper is presented in this study. Dependence of the shape of a detonation wave front on the. A technique is presented to increase the tip velocity of a conventional shaped charge sc device by employing an air cavity wave shaper which overlaps the liner. The detonation wave shaping is considered to be the most ef. Numerical and experimental study of wave shaper effects on. Results were presented by threedimensional simulation of the detonation development in the shaped charge with wave shaper. Diagnostic imaging of detonation waves for waveshaper development executive summary waveshaping of detonation waves is a method for increasing performance in shaped charge warheads. Starting a label is another platform but also promoting concerts so artitsts can expand on their output as well. The calculated results show that the contours of three typical detonation waves. These charges are arranged and formed with the intent to control the shape of the detonation wave. The wave shaping element is disposed in the high explosive between an apex of the liner and base of the shaped charge case.
I think the best software for your works are lsdyna and abaqus. Simulations of detonation wave propagation in rectangular. Of explosives, an insert or core of inert material or of explosives having different detonation rates, used for changing the shape of the detonation wave explanation of wave shaper. Mwaveshaper goes beyond a traditional wave shaping plugin. The calculation was performed using finiteelement code lsdyna,the calculated jet head velocity was in good agreement with experimental result,based on this,the effects of various wave shaper material and configurations on jet performance were. Calculation results show that when the diameter of the wave shaper is reduced or the distance between the wave shaper and liner increases, the incident angle of the detonation wave at the top of. Diagnostic imaging of detonation waves for waveshaper. An experiment was designed to test the detonation velocities for microscale groove charges with a booster explosive. The waveshaper 4000a multiport optical processor extends the capability of the waveshaper a including the ability to direct different portions of the spectrum to different output ports with different, arbitrary usergenerated channel shapes for each portion of the spectrum. In the current study, streak camera was used to find concentricity of the assembly during detonation, investigate and compare shock front within the high explosive and behavior of the shock front on the surface of the liner, one containing wave. Waveshaper user manual 2 allows the user to draw arbitrary filter shapes which get automatically uploaded to the waveshaper. Us7752972b1 low reaction rate, high blast shaped charge. The simplest method of waveshaping for increasing the shaped charge performance is to use an inert disc embedded in the top of the c harge 2. From disco to cold wave, the electronic drumsynths shaped the sound of the 80s.
Study of detonation wave contours in efp warhead core. Join author brian trifon as he shows how to improve music and audio productions using virtual instruments in logic pro. The proposed shaped charge design, featuring a cylindrical, metallic liner and a wave shaping lens of polypropylene plastic, was fabricated and test firings were accomplished. A simple planewave explosive lens technical report osti. Highly versatile and customizable, wave shaper can be used as a relaxer or perm for any hair type or condition. It was my understanding that a wave shaper is pretty much a line graph of signal input against signal output. Fritz abstract a simple planewavelens,usingan inertcentralplastic wave shaper, hasbeen designed. Pdf numerical and experimental study of wave shaper. Theoretical and experimental study on detonation wave. Cutting tracks and playing live in various parts of the world, blade felt that it was time to raise the bar and bring more than just playing bass.
Initiation and correction of the detonation wave in the shaped. An iterative technique that uses measured time deviations to correct the next wave shape was developed. They noticed that if the detonation wave had a conical shape, so that it reached all parts of the liner at the same time. Add to cart add to cart add to cart add to cart customer rating. In this study, we used a diskshaped rotating detonation combustor with a combustion chamber with flatplane glass walls to observe the structure of the phenomena. The use of a cylindrical highexplosive charge with a waveshaper is an. Detonation transfer hole placements, pathway lengths and plate sizes may be adjusted to provide specific detonation wave shaping schemes asymmetrical, timedelayed, directionally controlled waves, etc. Each mirror is a server or cloud of servers which hosts the exact same file, the only difference is in the download speed. The massive manual says the sine shaper insert effect routes your signal through a wave shaper, in which the signals amplitude is mapped to the rising and falling amplitude of a sine wave.
Wake 10 wakesurf creator wake surf shaper wave generator. The detonation wave shaping is considered to be the most efficient way of improving the penetration performance of warheads. Our simulations are compared with previous radiographic and numerical results for a slab of explosive with an aluminium confinement. So i guess i have to model the unsteady propagation of the shock wave generated from the detonation. Research on forming of efp warhead with waveshaper and. I dont see much information pertaining to detonation simulation in fluent. Experiments have shown that these waves have a complex transverse structure, and have puzzled scientists by yielding some results that are at odds with. Development of a threedimensional transient wall heat. Parametric equations for a wave shaping lens were solved by an internally programmed digital computer. A rotating detonation combustor usually has an annular shape that allows detonation waves to propagate in the circumferential direction. This invention relates to explosive devices and more particularly to a new and improved surfacewave generator or detonation wave shaping. Initiation and correction of the detonation wave in the. Hornet harmonics, free waveshaper vst, aax and audio units plugin. Here, the detonation wave will satisfy a steady state condition and ultimately propagates with a constant shape.
Planar detonation wave initiation in largeaspectratio. The plugin provides 10 harmonics generators of which you can set the amplitude and phase, increasing or decreasing the impact of the harmonic on the input. The content on this website is current as from the publication date and supersedes all previous content for roswell products. Feb 03, 2011 this scale model shows how water flowing over the top of features shape can change as the water flow increases. Embedding a wave shaper in charge is one of the ways. Detonation wave propagation in shaped charges with large wave. Now take away both ends cover rapidly and ignite the gas at one end.
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