How does an exploding foil initiator work

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August undefined, 2024

WebMar 9, 2024 · The exploding foil initiator provides a new method of multi-point detonation control. It transmits signals through the circuit without requiring complicated safety … WebExploding foil initiators ( EFI ). Technical Notes: 1. The word initiator or igniter is sometimes used in place of the word detonator. 2. For the purpose of 1A007.b. the detonators of concern all utilise a small electrical conductor (bridge, bridge wire, or foil) that explosively vaporises when a fast, high‑current electrical pulse is passed ...

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WebNov 12, 2014 · Exploding foil initiators ... Simulation results for Nappert’s exploding foil initiator system; 5. Simulation results of the Fraunhofer Ernst-Mach-Institute system; 6. Design analysis; 7. Conclusion; Acknowledgements; References; ... In this work all the physical processes, including their coupling, are modelled using multi-physical models ... WebOct 24, 2016 · Exploding Foil Initiator (EFI) flyer layer velocities measured down the barrel of an EFI are presented. Flyer velocity was shown to be proportional to supply voltage and of … cullman heritage funeral homes

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WebApr 1, 2015 · Exploding foil initiators (EFIs) are highly suitable for use in inline fuze trains containing only secondary high explosives, mainly due to their insensitivity with respect to electromagnetic disturbances or mechanical stress, their precisely controllable fire characteristics and compact size. During EFI operation various multi-physical phenomena … WebSep 12, 2024 · The two requirements are achieved by using what we call an exploding foil initiator (EFI). And the EFI is the fundamental enabling technology for the high voltage, … WebMar 9, 2024 · The exploding foil initiator provides a new method of multi-point detonation control. It transmits signals through the circuit without requiring complicated safety components and has the advantages of safety, reliability, small size, and promptness, which make it especially suitable for multi-point initiation control when applied to a warhead. cullman heritage funeral home cullman

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Modeling of the exploding foil initiator and related …

WebProperties of Exploding Foil Flyer ... Yao Wang et al-X-ray imaging and 3D reconstruction of in-flight exploding foil initiator flyers T. M. Willey et al-This content was downloaded from IP address 207.46.13.18 on 02/05/2024 at 22:53. ... of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI WebMay 7, 2024 · Little is known about the shape and curvature of exploding foil initiator (EFI) flyers, especially as they are forming within a finite barrel. This is because the typical barrel materials, such as stainless-steel, hinder observation of the flyer material during flight. cullman heritage al funeral home obituariesWebThe initial shock wave is created by vaporizing a length of a thin wire by an electric discharge. A new development is a slapper detonator, which uses thin plates accelerated by an electrically exploded wire or foil to deliver … cullman high school basketball score

"WebLEEFI = Low Energy Exploding Foil Initiator (EFI) Packaged in a convenient TO-5 can with orientation tab. Inherently safer than hotwire detonators. Qualified to MIL-DTL-23659, … " - How does an exploding foil initiator work

How does an exploding foil initiator work

WebJul 3, 2024 · Exploding foil initiators (EFIs), also known as slapper initiators or detonators, offer clear safety and timing advantages over other means of initiating detonation in high … WebJun 1, 2024 · However, an exploding foil initiator (EFI), also known as a slapper detonator, simplifies the design of the explosive train by eliminating the mechanical assemblies …

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WebOur Exploding Bridge Wire (EBW) contains a lead-free explosive (CLCP) functioned with an ECOSSE PX-1 Firing Set and initiate secondary booster detonation in wireline guns. Exploding bridge wires (EBW) detonators have a small … WebThe activity began with funding Exploding Foil Initiator (EFI) technology in conjunction with RARDE (now QinetiQ and Dstl). This built on the existing high speed switch tube technology already developed at Teledyne e2v. Through the late 1980s and early 1990s, work was concentrated on EFI initiator research and characterisation, explosive

WebAn exploding foil initiator (EFI), also known as Slapper Detonator, are uses to initiate insensitive explosive materials usually in the first stage of an explosive chain, it is a short-pulse electric signal device and contains no primary explosive. It is used to WebDuring initiation, the wire heats with the passing current until melting point is reached. The heating rate is high enough that the liquid metal has no time to flow away, and heats …

WebJan 1, 2024 · Under the action of a high pulse current, the explosive metal foil completes the transformation of solid, liquid, gas and plasma in a very short time, forming a high … http://www.e2v.com/resources/account/download-literature/124

WebEFDI (Exploding Foil Deflagrating Initiator) • LEEFI with HNS-4 to BKNO3 Transition • Based on Slapper Detonator Technology for Warheads • Now Under Development and Qualification HNS-IV Pellet BKNO 3 Deflagration High Voltage Pulse Flyer Slapper Bridge

WebJan 7, 2010 · Exploding Foil Initiators (EFIs) provide a safe and reliable means of initiating explosives. They are highly insensitive to mechanical shock and electrical interference, requiring a specific high current pulse for initiation. This allows the use of insensitive secondary explosives, eliminating more sensitive primary explosives. east hampshire local electionsWebExploding Foil Initiator Development David Pray John Sparkman Al Starner Roy Streetz Energetic Components Engineer (937) 865-3011 [email protected] Mechanical Engineering Leader (937) 353-2265 [email protected] Product Line Director (937) 865-3544 [email protected] ... east hampshire planning applications search east hampshire bin calendarWebAug 1, 2024 · According to the working principle of EFI, the metal bridge foil plays the role of converting the electric energy stored in the capacitor into the kinetic energy of the flyer, … cullman high school football recordWebJun 1, 2024 · Conventional exploding foil initiator (EFI) in ignition or detonation applications hosts many performance advantages, but was hindered by the bulky, inaccurate, inefficient and expensive... east hampshire planning committeeWebTo make the specification consistent with the EFI technology and 1316 safety requirements, the proposed changes require statistical analysis testing at temperature extremes, … east hampshire planning simple searchWebESADs use an Exploding Foil Initiator (EFI), a key enabling technology for the detonator used in the nuclear weapons programs for decades. On the conventional weapons front, a Low-Energy EFI (LEEFI) has been the only approved technology for ESADs since the mid-1990s. cullman high school football news