In this paper we present a study of the interaction between an electric current pulse and a solid copper jet. Experiments were performed using a dedicated pulsed power supply delivering a current pulse of such amplitude, rise time, and duration that the jet is efficiently affected. The copper jet was created by using a shaped charge warhead. An electrode configuration consisting of two aluminum plates with a separation distance of 150 mm was used. The discharge current pulse and the voltages at the capacitors and at the electrodes were measured to obtain data on energy deposition in and the resistance of the jet and electrode contact region. X-ray diagnostics were used to radiograph the jet, and by analyzing the radiograph, the degree of disruption of the electrified jet could be obtained. It was found that a current pulse with an amplitude of 200–250 kA and a rise time of could strongly enhance the natural fragmentation of the jet. In this case, the initial electric energy was 100 kJ and about 90% of the electric energy was deposited in the jet and electrodes. At the exit of the electrode region, the jet fragments formed rings with a radial velocity of up to 200 m/s, depending on the initial electric energy in the pulsed power supply.
Skip Nav Destination
e-mail: patrik.appelgren@foi.se
Article navigation
January 2010
Research Papers
Experimental Study of Electromagnetic Effects on Solid Copper Jets
Patrik Appelgren,
Patrik Appelgren
Swedish Defence Research Agency (FOI),
e-mail: patrik.appelgren@foi.se
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Search for other works by this author on:
Melker Skoglund,
Melker Skoglund
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Search for other works by this author on:
Patrik Lundberg,
Patrik Lundberg
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Search for other works by this author on:
Lars Westerling,
Lars Westerling
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Search for other works by this author on:
Anders Larsson,
Anders Larsson
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Search for other works by this author on:
Tomas Hurtig
Tomas Hurtig
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Search for other works by this author on:
Patrik Appelgren
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Swedene-mail: patrik.appelgren@foi.se
Melker Skoglund
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Patrik Lundberg
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Lars Westerling
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Anders Larsson
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, Sweden
Tomas Hurtig
Swedish Defence Research Agency (FOI),
Grindsjön Research Centre
, SE-147 25 Tumba, SwedenJ. Appl. Mech. Jan 2010, 77(1): 011010 (7 pages)
Published Online: September 30, 2009
Article history
Received:
October 29, 2008
Revised:
February 2, 2009
Published:
September 30, 2009
Citation
Appelgren, P., Skoglund, M., Lundberg, P., Westerling, L., Larsson, A., and Hurtig, T. (September 30, 2009). "Experimental Study of Electromagnetic Effects on Solid Copper Jets." ASME. J. Appl. Mech. January 2010; 77(1): 011010. https://doi.org/10.1115/1.3172251
Download citation file:
Get Email Alerts
Sound Mitigation by Metamaterials With Low-Transmission Flat Band
J. Appl. Mech (January 2025)
Deformation-Dependent Effective Vascular Permeability of a Biological Tissue Containing Parallel Microvessels
J. Appl. Mech (January 2025)
Mechanics of a Tunable Bistable Metamaterial With Shape Memory Polymer
J. Appl. Mech (January 2025)
Related Articles
Disruption Mechanisms in Electrified Solid Copper Jets
J. Appl. Mech (March,2011)
Interaction Between Solid Copper Jets and Powerful Electrical Current Pulses
J. Appl. Mech (March,2011)
The Role of Kelvin–Helmholtz Instabilities on Shaped Charge Jet Interaction With Reactive Armor Plates
J. Appl. Mech (September,2010)
Spatially Resolved Characterization of Residual Stress Induced by Micro Scale Laser Shock Peening
J. Manuf. Sci. Eng (May,2004)
Related Proceedings Papers
Related Chapters
Spice Model on High Frequency Vibration for CMUT Application
International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3
The Feasibility of the SWER System in New Zealand as a Low Bit Rate Communications Channel
International Conference on Software Technology and Engineering (ICSTE 2012)
Nonferrous Material
Metric Standards for Worldwide Manufacturing, 2007 Edition