An electromagnetic railgun emrg was designed, built, and tested, capable of firing a. Design, fabrication, and testing of an electromagnetic rail. We are currently developing the electromagnetic railgun technology for the u. Naval electromagnetic em gun technology assessment dtic. Extreme caution must be used in developing test plan strategies for prototype cpa driven electric gun hardware. In march 2018, it was reported that china confirmed it had begun testing its electromagnetic rail gun at sea. Cemut to perform the first test of a reprated railgun using the hpgi system. Em gun on electronics typically used in fuzes utilized arls hfixture test items were not shielded subjected digital watches to various magnetic field strengths that a fuze in a typical round might experience also, subjected digital watches to 4xs the maximum magnetic field strength all units survived. Design, fabrication, and testing of an electromagnetic rail gun for. The electromagnetic fea model of the capacitordriven inductance coil gun was constructed to be able to optimize the coils dimensions. Tests of a 30 mm version are planned to be conducted. Electromagnetic gun facility operational with successful.
The latter, given the implication of 30% efficiency, would make this a 3mj. The driving circuit was implemented as a dynamic model for the simulation of current. Operational testing of thefiring circuit, instrumentation, power unit, and launcher. Electromagnetic coil gun construction and basic simulation. Electromagnetic nondestructive inspection is widely used as a technique for grading the quality of nonferrous rod and wire. Engineering test facilities guide engineering test facilities. The future of the navys electromagnetic railgun could be a big step backwards. Jul 25, 2017 us navy tests its crazy electromagnetic railgun. The size and position of equipment under test are very important to keep inner tem wave characteristics of transient electromagnetic facilities which count for much how to utilize them properly. The future of the navys electromagnetic railgun could be a. It is emphasized that available facilities will provide only a. From 20002003, he was with the air force operational test and evaluation center where.
Army electromagnetic em gun program managing a technology opportunity to revolutionize firepower 16 june 2004. Hypervelocity electromagnetic gun development at cemut. After the atmospheric test bans in the early 1960s, scientists and the military began to develop alternative methods to evaluate nuclear weapons and their effects, including emp. Power supplies, oscilloscopes, power meters, voltmeters. A railgun uses magnetic force, rather than an explosive charge, to propel its projectile, potentially. Eine railgun genauer electromagnetic railgunemrg, dt. We can test almost any antenna, from 200 mhz to 100 ghz, using nearfield and farfield ranges designed for a variety of applications. With a bang, navy begins tests on electromagnetic railgun prototype launcher. The titan corporation has been developing directed energy technologies since the early 1980s. Army electromagnetic em gun program managing a technology. Navys electromagnetic railgun is capable of launching projectiles at 4,500 mph and hitting targets 100 miles away, faster and farther than any other gun. India successfully fires electromagnetic railgun mach 6. Jun 06, 2016 the future of the navys electromagnetic railgun could be a big step backwards.
Power conditioning, power management, switching, energy storage. Us navy tests its crazy electromagnetic railgun in virginia. Jeff maniglia, jordan smiroldo, alex westfall, and guy zohar 1 california polytechnic state university, san luis obispo, ca 93401 an electromagnetic railgun emrg was designed, built, and tested, capable of firing a. An electromagnetic locator, or, pipe and cable locator, is used for tracing utility lines and metallic pipes, and clearing excavation and drilling locations. The united states program to use electric energy rather than chemical energy to propel materials to high velocity is now focused almost entirely on fundamental research efforts to provide an understanding of the critical research issues for selected military applications, specifically on applications of direct interest to the u. Weapons testing centre that culminated in the 2010 test where bae systems. Extended efforts have been made to imhowever, the extent and potentially prove theoretical models and to develop. Interest in railguns at the center for electromechanics at the university of. Laboratory testing of the pulse power system for the cannon. High altitude electromagnetic pulse hemp and high power. Almost all of the applications envisioned since the. Prediction of electromagnetic fields generated by rail guns pdf report.
All of these techniques use the induction of an electric current or magnetic field into a conductive part, then the resulting effects are recorded and evaluated. Design and construction of an expandable series trans. Threat assessments summary electromagnetic pulse emp is an instantaneous, intense energy field that can. The gun was specially designed to have an adjustable gap between the cathode and the anode, and to allow extensive high gradient tests. Navy has been considered for some time, but even more so now with the advent of the allelectric ship. During the 1980s the worldwide interest in electromagnetic compatibility emc grew rapidly with the introduction of legislation to control the growing interference problems generated by the increased use of electronic equipment in industry and in the home. Pdf design, fabrication, and testing of an electromagnetic rail. With a bang, navy begins tests on electromagnetic railgun. Electromagnetic locator technology and utility locating. Electromagnetic rail gun emrg the use of a rail gun for the u.
Texas at austin cemut was the result of a visit to the railgun facility at the. Electromagnetic testing is a general test category that includes eddy current testing, alternating current field measurement acfm, and remote field testing. The european directive harmonising emc measurements gave particular impetus to manufacturers and importers of. Compared with conventional artillery, electromagnetic gun has the following characteristics.
Electromagnetic, stress and thermal analysis of the. But well now switch gears and talk about electromagnetic waves. The georgia tech research institutes electromagnetic test and evaluation facility is a multipurpose, wideband, antenna test facility. The flow is separated between test requester actions and facility actions, highlighting interactions and inputs between the test requester and the facility test director. A navy prototype of an electromagnetic railgun marks a major step in the process of installing the weapons on navy vessels. Antenna test facility facility parameter value farfield test facility functionfrequency range measures farfield antenna radiation distribution patterns and principal plane cuts. Fuzing for use in an electromagnetic em gun barry schwartz fred herr robert bryan us army ardec 6 april 05. Experimental equipment, including the laboratorys mj railgun testbed and support hardware, are detailed. Investigation of eut position of typical transient. Arvind kumar singh alok prakash singh assistant professor roll no.
Navy electromagnetc railgun mach 7 fire tests 20082017. Design, fabrication, and testing of an electromagnetic. A complete understanding of test requirements and facility capabilities is mandatory for a successful test. Electromagnetic locator what is an electromagnetic locator. Navy lasers, railgun, and gunlaunched guided projectile. Development of the high efficiency laser diode makes possible a practical ray gun where a matrix of these diodes can produce a collimated efficient electromagnetic beam of energy. Abstract electromagnetic interferencecompatibility emi. Electromagnetic railgun a navy after next game changer first test of electromagnetic railgun facility is a success by lucia sanchez januarymarch 2007 the next generation of naval guns was launched oct.
Facility begins assembly of facility unique interfacesupport structures if needed test requester shipstransports test article and associated supportperipheral equipment to jsc. Operating light gas gun test beds can cost thousands of dollars a minute. Department of energy electromagnetic pulse resilience action plan idaho national laboratory and other doe national labs, icf. Nns a significant milestone in the advancement of naval gun technology happened with the successful test and standup of an electromagnetic em railgun facility at. Rail gun a seminar report submitted in partial fulfillment for the award of the degree of bachelor of technology in department of mechanical engineering submitted to. Pdf an electromagnetic railgun emrg was designed, built, and tested. Marine corps doctrine supporting fires must cover the littoral area loosely defined. This paper will describe installation of the railgun iinto the earc facility and discuss performance of. Since the electron temperature at the cathode determines the minimum achievable slice emittance, we. This paper deals with the design, fabrication and test of a laboratory scale prototype 50 ms coilguntype electromagnetic launcher. Nns a significant milestone in the advancement of naval gun technology happened with the successful test and standup of an electromagnetic em railgun facility at the naval. Status of 500kv low emittance electron gun test facility for a compact xray free electron laser at paul scherrer institute martin paraliev, christopher gough, sladjana ivkovic large research facilities, paul scherrer institute, villigen psi, switzerland abstractthe paul scherrer institute psi is developing an x. Laboratory testing of the pulse power system for the.
Whatever testing environment that has been built along with the gun will be fixed at its end and would be costly to change. Test requester approves test plan, schedule, and final cost estimate. This paper summarize all important steps during coil gun design, such as physical laws of the coil gun, preliminary calculations, the. Electromagnetic testing techniques for quality grading of nonferrous rod and wire john markanich, product engineer foerster instruments, inc. Introduction to support rail accelerator research, an electromagnetic propulsion test facility has been established within the lewis research centers. The electromagnetic railgun its an awesome gun that can. Test facilities for electromagnetic hardening susceptibility tests characterization tests identifying physical quantities and parameters to improve system modelling sgemp current injection test cit facility s transfer impedance zt measurement bench modestirred reverberation chamber nemp simulator 100 kv drivings generator. Department of energy electromagnetic pulse resilience. The new book, at the difference of the previous ones, contains four new appendices. In this video you can find a collection of the tests. Electromagnetic gun facility operational with successful first test. These utility locators consist of two main parts, a transmitter and a receiver. Complete line of general purpose ancillary test equipment. Waves involving springsmasses, strings, and air molecules are things we can apply our intuition to.
Electromagnetic testing is a general test category that includes eddy current testing ect, alternating current field measurement acfm and remote field testing. The work done by the electromagnetic gun is used as the power to launch the electromagnetic force, which will not produce the strong shock wave and the diffuse smoke. Navy lasers, railgun, and gun launched guided projectile congressional research service 1 introduction issue for congress this report provides background information and issues for congress on three new shipbased weapons being developed by the navysolid state lasers ssls, the electromagnetic railgun. Multiple test series have been completed at dugway proving grounds dpg, utah fullscale 10meter acl in production ga 10meter acl scheduled to be delivered to the electromagnetic launch facility emlf at nswc dahlgren and complete testing during the 1st quarter of fy2012 5meter version of 10meter acl recently tested at.
Reconnection gun is the latest development of electromagnetic gun. Pdf on jan 1, 1987, jd sterrett and others published design of a battery power supply for the electromagnetic gun experimental research facility find, read. Electromagnetic coil gun design and construction abstract a singlestage, sensor less, coil gun was designed to demonstrate the capability to accelerate a ferromagnetic projectile to high velocity. Pdf design, implementation and test of a coilguntype. A rail gun is an electromagnetic projectile launcher. Dna 32mj green farm test facility, under the direction of the defense special warfare. Files are available under licenses specified on their description page. Id like to ask if this is a 10mj railgun or a 10mj facility. In november 2017, indias defence research and development organisation carried out a successful test of a 12 mm square bore electromagnetic railgun. The electromagnetic laboratory rail gun is a longrange naval weapon that fires projectiles using electricity instead of chemical propellants. The future weapon of indian navy by defenceupdate rail gun is a weapon capable of launching projectile without the usage of explosives or propellants, but, are launched at extremely high velocities, mach 7 at sea level or more. Status of 500kv low emittance electron gun test facility.
Navy begins tests on electromagnetic railgun prototype launcher subject. Electromagnetic railgun firing hypervelocity projectile. The future of the navys electromagnetic railgun could be. In 2011 i made a video about this kind of weapon and its first test. Over this time titan has provided advanced power supplies for electromagnetic gun and laser research while making broader contributions in the field of high power microwaves hpm. During this post test ban period, a number of emp simulators to test aircraft were developed by the air force weapons laboratory afwl at kirtland air force base afb. A railgun is a device, typically designed as a weapon, that uses electromagnetic force to launch. Complete model of the railguns system including projectiles trajectory 31. Experimental equipment, including the laboratorys mj railgun testbed and support hardware, are. Details on the electromagnetic testing facility at the maglabs applied superconductivity center. This produces surges that can destroy the connected device, such as, power generators or long distance telephone systems. May 17, 2015 the hvp is a nextgeneration, common, low drag, guided projectile capable of completing multiple missions for gun systems such as the navy 5inch, 155mm, and future railguns.
Since the cpa is designed to provide maximum current to what is essentially a short circuit load, special attention must be paid to software and hardware components to make certain all are working as expected. The coil gun was not designed for really shooting applications, i. Classical and relativistic approaches, is an extended form of the previous two editions of the books titled electromagnetics. Apr 07, 2014 check out this recent footage of our electromagnetic railgun during testing in dahlgren, va. The to or pe must ensure that the hemp test facility utilized is an adequate facility to accurately simulate the criteria, test system response, and is adequate to test the system in a fielded configuration. The electromagnetic railgun its an awesome gun that can fire up to mach 7 shells. A compulsator driven system would be able to operate with less infrastructure and overhead. The existing ardec facility includes a 30 megajoule mj homopolar generator. Provide test waveforms 1, 3a, 3b, 4 and 5a for lightning indirect effects testing up to level 3. Launch to space with an electromagnetic railgun pdf. High altitude electromagnetic pulse hemp and high power microwave hpm devices. Soon as indian rail gun test news arrive, this thread was. Design, fabrication, and testing of an electromagnetic rail gun for the repeated testing and simulation of orbital debris impacts. A previous 32megajoule installation existed at kirkcudbright electromagnetic launch facility at the dundrennan weapons testing range in scotland, united kingdom.
Naval air warfare center aircraft division patuxent river. All structured data from the file and property namespaces is available under the creative commons cc0 license. Indian scientists successfully fire electromagnetic railgun mach 6 the indian defense research organization hopes to soon complete trials of electromagnetic railguns that would give the countrys naval forces a superlative advantage and a capability to launch devastating attacks on both land and sea targets. Navy electromagnetc railgun mach 7 fire tests 2008. Antenna test range electromagnetic test and evaluation. Navy lasers, railgun, and hypervelocity projectile. Provides standard esd test waveforms up to 30kv peak pulse voltage. An electromagnetic railgun design and realization for. Electromagnetic interferencecompatibility emiemc control.
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