project marauder plasma railguns

The resulting projectile moved at $3,000 km/s$ and struck its target with a $\approx 5$ lb TNT explosion ($5 \times 10^{-7} kT = 2.092MJ$) ---and a potent, short-range electromagnetic pulse. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Come enjoy the rolling countryside 4 mile course, we are now celebrating our 19th annual event! In coaxial plasma railguns, the electrodes are concentric. [1], Magneto-inertial fusion seeks to implode a magnetized D-T fusion target using a spherically symmetric, collapsing, conducting liner. So a 100 meter barrel would have a speed of about 7900 meters per second. in 2017, but as a possible energy storage mechanism, not much different from a plasma-armature, Real-Life Plasma Rounds With Surprising Penetration in a Pill Sized Package! Plasma railguns are capable of producing controlled jets of given densities and velocities ranging from at least peak densities 1e13 to 1e16 particles/m^3 with velocities from 5 to 200 km/s dependent on device design configuration and operating parameters. All proceeds help support the Westmoreland PTA and their great programming for the students and teachers of Westmoreland! Learn how and when to remove this template message, Conceptual Design Description of a CT Fueler for JT-60U, 35th European Physical Society Conference on Plasma Physics, Support to Survivability/Vulnerability Program, "Quasistatic compression of a compact torus", "Compact toroid dynamics in the Compact Toroid Injection Experiment", Compact Torus Accelerator Driven Inertial Confinement Fusion Power Plant, Innovative Confinement Concepts Workshops (ICC), "A Contoured Gap Coaxial Plasma Gun with Injected Plasma Armature", https://en.wikipedia.org/w/index.php?title=Plasma_railgun&oldid=1151052028, Compact Toroid Injection Experiment (CTIX), Pulsed High Density Fusion Experiment (PHD), This page was last edited on 21 April 2023, at 16:16. 24 Apr 2013 | Posted by Member 30298028. | Terms & Conditions Little is known about it after 1993 because it swiftly Classified Status. Above the rocky outcrops, the trails are easier and follow gently curving contours through a mixed forest, which includes some beautiful stands of red oak. Railguns have long existed as experimental . Maybe the same function might be achieved some other way. Project MARAUDER Developed by Phillips Laboratory. This set up is not feasible with current technology, as most railgun power sources can only operate barely long enough to fire the projectile. A plasma railgun is a linear accelerator which, like a projectile railgun, uses two long parallel electrodes to accelerate a "sliding short" armature.However, in a plasma railgun, the armature and ejected projectile consists of plasma, or hot, ionized, gas-like particles, instead of a solid slug of material.Scientific plasma railguns are typically operated in vacuum and not at air pressure. However, in recent years, new research has shown promise in extending the lifespan of these Toroids. But the muzzle velocity is sqrt(2 * barrelLength * acceleration). There were some errors in the barrel length calculation for the earlier draft of this answer, which have since been corrected. Your message was posted to Facebook. All takedown requests will be promptly acknowledged and investigated. | Login to Download Certificate There's no free lunch to be had here! Come enjoy the rolling countryside 4 mile course, we are now celebrating our 20th annual event! Her three grandchildren continue to visit the preserve. The plasma accelerator fires instantly, but the projectile is slow. Is it possible for a spheromak to maintain itself at high speeds under atmospheric conditions? In what environment - vacuum, atmosphere, etc.? This answer (given technological development to improve power efficiency) meets all but two of your requirementsbut (potentially) bypasses their necessity. A plasma railgun is a linear accelerator which, like a projectile railgun, uses two long parallel electrodes to accelerate a "sliding short" armature. The Nature Conservancy is a nonprofit, tax-exempt charitable organization (tax identification number 53-0242652) under Section 501(c)(3) of the U.S. Internal Revenue Code. No hunting on the southern portion of the preserve (Warwick parcel). The plasma railgun is a linear accelerator and plasma energy weapon which like a projectile railgun uses two long parallel electrodes to accelerate a sliding short armature. This is an instability in which the magnetic pressure front can out-run or "blow-by" the plasma armature due to the radial dependence of acceleration current density, drastically reducing device efficiency. | Verify Certificate Seems to have a lot of . If it breaks out by accident, even if it destroys everything would you still call it a 'weapon' ? Mechanical Kit will be shipped to you and you can learn and build using tutorials. Learn more about Stack Overflow the company, and our products. Engineering Project Ideas | Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Online Courses for Kids However, your browser doesn't appear to allow cookies by default. Would this be at all practical as a weapon system? Could a mass-proportional physical speed limit on projectiles "nerf" guns but not ruin archery? Existing knowledge of coaxial railgun plasma instabilities and material interactions at vacuum and plasma interfaces are applied to the design. [citation needed] Plasma rail guns are being evaluated for applications in magnetic confinement fusion for disruption mitigation and tokamak refueling. When Ruth died in 1973, Louise scattered her ashes on the preserve. It only takes a minute to sign up. The best answers are voted up and rise to the top, Not the answer you're looking for? Coaxial accelerators use various techniques to mitigate this instability. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? Gentle acceleration up to 100km/s over 100m doesn't have to liquidize your bullet. That's the best I could come up with, assuming he intended the plasma to cause damage. After graduating from Boston University in 1904, Dr. Warwick and her first husband, Dr. Coles, operated a TB sanitarium in West Keene. Dr. Coles died in the 1917 flu epidemic. Scientific plasma railguns are typically operated in vacuum and not at air pressure. It's a very slow particle beam in practice with ~8 millimeters of range in air if proton and ~10 if alpha particle. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? That's a nice round number, and doesn't rule out superconducting projectiles, as it should be below the critical field strength of futuristic high-temperature superconductors (see here for some analysis of YBCO, one of the best practical real-world superconductors). Why don't we use the 7805 for car phone chargers? In this sci-fi world, plasma weapons are somewhat abundant in special forces, as their ammunition can be stored in smaller spaces, and in large quantities, but I ran into a problem regarding confinement: can be created quickly. From here take a right onto Route 63 and travel 0.9 mile to arrive at Warwick Preserve access point. Sogive us a quarter of your tail then? | Contact Us, Copyright 2015-2018 Skyfi Education Labs Pvt. Ultimately, the limit is going to be keeping the bullet solid as you push on it. Can my creature spell be countered if I cast a split second spell after it? Your browser has JavaScript disabled. As plasma railguns are an open area of research, the method of armature formation varies. To get the 1.2GJ we want for our 100km/s super-coilgun, we'd need the projectile to sweep out ~0.074m3, which for a 20mm projectile works out as a barrel that's 236m long. Why are players required to record the moves in World Championship Classical games? Spreading that same force over a larger distance I do not think adds anything to the equation acceleration wise. A plasma railgun is a linear accelerator uses two long parallel electrodes to accelerate a "sliding short" armature. You can start for free today! the railgun can launch projectiles much farther than the | Final Year Projects for Engineering Students It is worth noting that at that speed the projectile exceeds orbital velocity at Low Earth Orbit. Especially against space debris. The railgun will be used for the study of plasma shocks in jet collisions. Get kits shipped in 24 hours. Coaxial railguns accelerate toroidal plasma armatures using a hollow outer conductor and a central, concentric, inner conductor. eject plasma at extremely high speeds (some plasma railguns are designed to fire projectiles, but testing has shown that solid armatures are more effective due to lower electrical resistances found in metals [4]). We use cookies to offer you a better browsing experience. Large boulders litter the forest floor below the rocky ridges creating habitat for snakes, porcupines and bobcats. You are using an out of date browser. What is the symbol (which looks similar to an equals sign) called? Have bigger trouble hitting small target. However, techniques including exploding foils, gas cell burst disk injection, neutral gas injection via fast gas valve, and plasma capillary injection have been employed. Similar principles apply for plasma railguns. https://en.m.wikipedia.org/wiki/MARAUDER Essentially its a still classified US military project aiming to develop a railgun capable of firing 0.5-2.0 mg toroids of plasma at up to 3% light speed. The results of this experiment confirm that the design succeeds in producing plasmas which meet targets for plasma properties. Description. MARAUDER: Magnetically Accelerated Ring to Achieve Ultra-High Directed Energy and Radiation, TL: DR, an American project from the 1990's where they build a coaxial plasma railgun, which uses plasma as a KINETIC weapon, accelerating a Torus (a ring) of 0.5-2 milligrams of plasma to relativistic speeds, 1-3% the speed of light, 3000-10,000 km/s. It's a big ship destroyer. You can assume that any figures this gives are over-optimistic, but it isn't a bad upper-bound for coilgun performance. Allow that bolt of plasma to break out, and you have a really potent weapon. TL: DR, .a project from the 1990's where they build a coaxial plasma railgun, which uses plasma as a KINETIC weapon, accelerating a Torus (a ring) of 0.5-2 milligrams of plasma to relativistic speeds, 1-3% the speed of light, 3000-10,000 km/s. He created a simple electric cannon, which caught the attention of the French military who were seeking a weapon that . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The glowing light is emitted by plasma.). It may not display this or other websites correctly. At least with the second approach, you can store your bullets normally. For a better experience, please enable JavaScript in your browser before proceeding. How many gs could a coilgun or railgun shell withstand? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Skyfi Labs helps students learn practical skills by building real-world projects. If we magically start it off at 0K, we can see that it can absorb no more than 180kJ. What's interesting about a Compact Toroid, however, is that they are capable of maintaining structural stability for a fraction of a second after release from the external magnetic fields that created it. Or can it simply generate plasma on discharge? According to one report published just over a decade after the whole thing went dark, the Marauder program was capable of firing ball lighting bolts that would explode on impact with the force of five pounds of TNT. Click the Accept Cookie Policy button below to accept the use of cookies on your browser. Its no secret the United States has been working on effective rail gun technology for years. A 30mm projectile would let you fit your 100km/s gun into the original 100m length limit, but: You could use a fat, low-density sabot which drives a thin dense projectile, but the sabot represents parasitic weight that eats into the kinetic-energy budget of the narrow penetrator. Plasma railguns appear in two principal topologies, linear and coaxial. Their design for plasma containment is called a Compact Toroid, and their design was similar to an arrangement called a Spheromak. And everybody likes the alluring neon lights which enliven nights and hide the stars. Fire rate will therefore be limited, and ultimate velocity will also be limited by your ability to a) quench your coils fast enough and b) cool them fast enough afterwards to fire the gun again. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. MARAUDER was a United States Air Force experiment to develop long-range plasma weapons. There is, however, no theoretical limit to barrel length or muzzle velocity, so if you want >10km/s you almost certainly want a coilgun. The limit is 'cee' . ;). Some references here about the American navy, but it is so far behind. rev2023.5.1.43405. Here is a picture of the Chinese weapon, undergoing deployment shakedown trials. The author argues that to realize the hypervelocity potential of plasma armature railguns, restrike must be eliminated. While currently, there are bans on orbital anti-ICBM weaponry, a MARAUDER-armed satellite could probably be an extremely effective Anti-ICBM weapon. In a plasma railgun, a voltage is applied so that current can flow through the flat rail electrodes. Why did US v. Assange skip the court of appeal? Plasma gets more electrically conductive as it heats up, and your bullet stays in the barrel so little time, the plasma won't conduct much heat to the bullet. If technology was developed to fix this it might affect the acceleration speed. Existing ground-based inertial confinement fusion pellets implode at ~300km/s, and are accelerated over a distance of a few mm (and this is far from the lab speed record). Efficiency will drop, parasitic heat ratio will rise, and it will, @RossPresser focused engine plume will do thst without coilgun magic, enginr or alike fusion reactor. A chemical gun benefits from a longer barrel because the expanding gases have longer to do their thing. If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. We're still messing with the specifics of the donut (how tall is it, how wide is it, how big is the hole, how much plasma do we shove in, how hot should the plasma be, etc), but the basic consensus is that Toroids are the ideal shape for a self-sustaining plasma bolt. Wouldn't this approach only create plasma for a tiny fraction of a second? Developed by Phillips Laboratory. Global sites represent either regional branches of The Nature Conservancy or local affiliates of The Nature Conservancy that are separate entities. "Containment" and "weapon" are typically contradictory. MARAUDER estimated that by the year 2000, they could increase the shot velocity to $10,000km/s$. That last issue was the real sticking point. Specific elements of the design are examined and the inherent physical and material difficulties of a coaxial design are explored. | Refund Policy The Air Force has been at this game for decades, though, and its previous work is more advanced than anything coming out of the Navy Department, Russia, China or even Kim Jong Uns wildest dreams. Mr. Parsons was a perfectionist in his plans he and his crew have done our lawn maintenance for the past 3 years and it looks awesome. And a plasma bolt with a lifespan of a millisecond, moving at 10,000km/s has a range of 10km. Get started today! Also what kind of distance would these toroids be stable over? Kinda important factors You might want to research fusion reactors. Some features of this site may not work without it. Lets imagine your projectile now has a SHC of more like 1kJ/KgK, and a melting point of 3000K. After graduating from Boston University in 1904, Dr. Warwick and her first husband, Dr. Coles, operated a TB sanitarium in West Keene. MARAUDER ( Magnetically Accelerated Ring to Achieve Ultra-high Directed Energy and Radiation) is, or was, a United States Air Force Research Laboratory project concerning the development of a coaxial plasma railgun. The plasma railgun is a linear accelerator and plasma energy weapon which like a projectile railgun uses two long parallel electrodes to accelerate a sliding short armature. don't forget we're getting 5 pounds of TNT yield out of a MILIGRAMS of material. Honestly I find it hard to envision how a weaponized, long range railgun would make a 'torus' (that seems more a thing to do with coilgun style propulsion - some modesl literally do involve configurations to accelerate/propel ring shaped projectiles.) This current generates a magnetic field which propels the plasma forward. Want to develop practical skills on Mechanical? The Marauder uses the same principle in firing the weapon, but instead of the slug, Marauders projectile is superheated, donut-shaped ionized gas particles: plasma. Railguns give you much more oomph for the same length barrel, but unfortunately shooting them causes damage to the rails as a result of the super-hot plasma arc that forms behind the projectile. You can learn from experts, build working projects, showcase skills to the world and grab the best jobs. The official Subreddit for the Isaac Arthur YouTube channel. How to force Unity Editor/TestRunner to run at full speed when in background? We'll give your coilgun an efficiency of 99.9%, and half the wastage goes to heating up the projectile again. Its the same lab used to produce energy enough for the SDI initiative (also known as Star Wars missile defense). The trails are rugged and moderately steep, ascending from 480 feet of elevation to 900 feet in just the first third of a mile. The electrode strikes a plasma arc to the target, creating a conductive path and emptying the capacitor into the target. project marauder plasma railguns new harrisonburg high school good friday agreement, brexit June 29, 2022 fabletics madelaine petsch 2021 0 when is property considered abandoned after a divorce Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. projectiles up to 125 miles at 7.5 times the speed of sound, is Hand Held Coil Gun cannon - Enough to rip a giant robot limbs into pieces, Reimagined Weaponry: The Illidari Warglaives. We may have detected a typo. Because even with those insane speeds, their 'Plasma Bolt' didn't live long enough to achieve a useful range ($3,000 km/s \times 1 \mu s = 3m$). Plasma railguns are electromagnetic accelerators used to produce controlled high velocity plasma jets. The railgun has less ammo, but a little higher damage and (correct me if I'm wrong) it's better to shoot out subsystems. A bigger projectile yields a higher payload, so a rifle-mounted tank buster could be devised. The magic number of interest here is the energy density that the swept volume can have this is $\frac{1}{2\mu_o}$ (where 0 is the permeability of free space) or about 400kJ/m3/T2, multiplied by the square of the magnetic field strength. Read how we use cookies and how you can control them by visiting our Privacy Policy. Louise attended college, married and moved away. Of course, you could do much better than a puny 400km/s with a laser-pushed ablator because you can maintain the acceleration till you hit the target. [citation needed], High velocity jets of controllable density and temperature allow astrophysical phenomena such as solar wind, galactic jets, solar events and astrophysical plasma to be partially simulated in the laboratory and measured directly, in addition to astronomic and satellite observations. your coils are now bigger, and higher power, and need more current to reach the same strength. What should I follow, if two altimeters show different altitudes? Jet velocity and density are characterized by analyzing diagnostic data collected from a Rogowski coil, interferometer, and photodiode. However, techniques including exploding foils, gas cell burst disk injection, neutral gas injection through a fast gas valve, and plasma capillary injection have been employed. Round is a solid KE penetrator. However, in a plasma railgun, the armature and ejected projectile consists of plasma, or hot, ionized, gas-like particles, instead of a solid slug of material. Re-arranging F=ma, you get a=F/m, no mention of distance. Finally, you should see that I've been looking at coilguns, not railguns here. As fascinating of a topic as the research may be, the more important question is whether they went out of their way to make the project acronym marauder, or if it was just a fortunate coincidence that it ended up as that? In either design, a plasma armature is formed at the breech. A railgun comprises a pair of parallel conducting rails, along which a sliding armature is accelerated by the electromagnetic effects of a current that flows down one rail, into the armature and then back along the other rail. | That's not bad at all. | I don't know enough of the science to say if it is possible that they found some type of breakthrough. Plasma is not necessarily hard to confine; for example, those of us who are old enough or who have an interest in the history of computing remember the beautiful Nixie tubes which were used for the displays of computers and calculators made until the 1980s or so; Nixie tubes can be ruggedized, and some have flown in space aboard Soviet (and maybe also American) spacecraft. View Directions How could dragons effectively use their wings as weapons in ground combat? Mount Vernon High School (Fortville, Indiana), https://en.wikipedia.org/w/index.php?title=Marauder&oldid=1131569989, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0, "The Marauders", a 1983 song by Tears for Fears, B-side to ", Marauders, synthetic creatures derived from, This page was last edited on 4 January 2023, at 19:22. I still see them. The near-term solution is some form of circuit arrangement which eliminates current . Worldbuilding Stack Exchange is a question and answer site for writers/artists using science, geography and culture to construct imaginary worlds and settings. | Mini Projects for Engineering Students Basically, the Marauder was everything an army could possibly hope for in the area of field artillery: an ultra-fast, super-destructive gun whose ammunition was only limited to how much power the army could produce for it. The plasma is confined between the bullet and the magnetic field pushing on it. @apaul34208 It depends on how the bullet is constructed and how "super" your supercapacitor is. Naturally, in science fiction it would be very easy to explain that scientists discovered a more stable Toroidial configuration that lastswellhowever long you need it to last for the sake of the story. @StarfishPrime obviously 100m barrel does not give 10 times faster than 10m barrel. This paper discusses the design and testing of a small, relatively low power coaxial plasma railgun. Otherwise, you will not be able to register for races or use other functionality of the website. This page is not available in other languages. | How could I contain plasma for use in weapons? Linear plasma railguns place extreme demands on their insulators, as they must be an electrically insulating, plasma-facing vacuum component which can withstand both thermal and acoustic shocks. Now THERE is a coil gun. and from everything I've dug up there's alot of conflicting data about it (some say. You cannot get anything better unless you use magical materials, or magical ultra-efficient coilguns (and this example is already quite magical). and our JavaScript is disabled for your browser. What are your thoughts on Project MARAUDER? I'm not sure if this would be able to disable a tank with a single shot, but it is scalable assuming you have this kind of super-capacitive tech. Rare plants found here are the broad beech fern, a beautiful purple and white orchid called the showy orchis, spotted wintergreen, and long-spurred violet. Agm is extremely professional we needed to expand our property to accommodate an RV and relieve a drainage problem next to our garage! It is hoped that the work at the University of Texas described in these papers . Session ID: 2023-04-28:2c6aaeebb2aaad3ad105949e Player Element ID: vjs_video_3. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? While most of New Hampshire tends to have acidic soils, the calcium-rich bedrock in Westmoreland has resulted in rich, alkaline soils that provide habitat for a diversity of plant life that is uncommon in the state. Why is it shorter than a normal address? In 1993, the Air Force Research Laboratory finally published an experiment in high-velocity plasma projectile weapons. The first thing we care about is efficiency our coilgun will inevitably cause the projectile to heat up as a result of induced currents, and if we heat it up to melting point the projectile will disintegrate making it much less useful as a weapon or worse: it'll explode, taking a chunk of your ship with it. Which was the first Sci-Fi story to predict obnoxious "robo calls"? You may experience issues registering or using other parts of the website. This was the project's biggest issue. What's wrong with accelerating a metal slug beyond its melting point? a railgun? I'm pretty sure the plasma was preheated and injected into the railgun. What are the advantages of running a power tool on 240 V vs 120 V? | Technical Resources A plasma-projectile shooting railgun is basically an armature that converts to plasma ('transitioning' armatures are also a thing and have been considered as a bridge between plasma armatures and solid/hybrid armature railguns, in fact) which is what Wikipedia describes (although the velocities are an order of magnitude less than what Shiva Worldbuilding Stack Exchange is a question and answer site for writers/artists using science, geography and culture to construct imaginary worlds and settings. This Sub focuses on discussing his videos and exploring concepts in science with an emphasis on futurism, space exploration, along with a healthy dose of science fiction. Would this be at all practical as a weapon system? Since the driver current through the armature is also moving through and normal to a self-generated magnetic field, the armature particles experience a Lorentz force, accelerating them down the length of the gun. I'm interested to know what is the maximum realistic muzzle velocity of a coilgun with a 100m barrel length. can hold plasma under higher pressures. Scientific plasma railguns are operated in a vacuum. T-shirts for the first 75 paid entrants, 15 years and up. Contact: 1800-123-7177 Coilguns don't have wear issues, as the projectile can be levitated in the barrel and be entirely non-contact and no arcing need occur. They work a lot like a Smoke Ring does. While Vladimir Putin is busy touting Russias newest line of hypersonic weapons he is seemingly whipping the world into a frenzy about missiles flying past early warning systems. Scan this QR code to download the app now. Peak line-integrated electron number densities of approximately 8 10. the US Office of Naval Research says. Dr. Coles died in the 1917 flu epidemic. Working backwards, this gives us a maximum kinetic energy of ~35MJ and so a maximum muzzle velocity of 18km/s, regardless of anything else about our gun. |. The bolts would also send out heat, potentially superheated metal shards, and an electromagnetic pulse that would scramble unshielded electronics. To manage or opt-out of receiving cookies, please visit our. can be shaped into a bullet. Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Realistic Rounds for Penetrating advanced body armor? Some believe that we may not be far from getting containment times measured in Milliseconds ($ms$). Glass, perhaps jacketed in something more durable like ceramic, could contain the plasma apparatus. It's travelling at 1-3 percent the speed of light. Featured photo: Shiva Star at theAir Force Research Laboratoryat Kirtland Air Force Base. Which means that I am in the potentially unique situation of being able to tell you that yes, they went out of their way to name it Marauder because it took us far too long to find a word that worked, we spent two hours fiddling with syllables to get stuff that fit (Direct Energy Railgun gives der).
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