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• Journal article
  Collins AL, Addiss JW, Walley SM, Promratana K, Bobaru F, Proud WG, Williamson DMet al., 2011,

  The effect of rod nose shape on the internal flow fields during the ballistic penetration of sand

  , INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, Vol: 38, Pages: 951-963, ISSN: 0734-743X
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  • Citations: 47
• Journal article
  Suzuki-Vidal F, Lebedev SV, Bland SN, Hall GN, Swadling G, Harvey-Thompson AJ, Burdiak G, de Grouchy P, Chittenden JP, Marocchino A, Bocchi M, Ciardi A, Frank A, Bott SCet al., 2011,

  Experimental Studies of Magnetically Driven Plasma Jets

  , Astrophysics and Space Science, Vol: 336, Pages: 41-46, ISSN: 1572-946X

  We present experimental results on the formationof supersonic, radiatively cooled jets driven by pressuredue to the toroidal magnetic field generated by the 1.5 MA,250 ns current from the MAGPIE generator. The morphologyof the jet produced in the experiments is relevant toastrophysical jet scenarios in which a jet on the axis of amagnetic cavity is collimated by a toroidal magnetic fieldas it expands into the ambient medium. The jets in the experimentshave similar Mach number, plasma beta and coolingparameter to those in protostellar jets. Additionally theReynolds, magnetic Reynolds and Peclet numbers are muchlarger than unity, allowing the experiments to be scaled toastrophysical flows. The experimental configuration allowsfor the generation of episodic magnetic cavities, suggestingthat periodic fluctuations near the source may be responsiblefor some of the variability observed in astrophysical jets.Preliminary measurements of kinetic, magnetic and Poyntingenergy of the jets in our experiments are presented and discussed, together with estimates of their temperature andtrapped toroidal magnetic field.

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• Journal article
  Ampleford DJ, Bland SN, Lebedev SV, Chittenden JP, Hall GN, Suzuki-Vidal F, Jennings CA, Cuneo ME, Rogers TJ, Cleveland M, McBride RD, Serrano JD, Peyton B, Jones MCet al., 2011,

  Extreme-UV Self-Emission From Plasma-Focus Radial Wire Array

  , IEEE TRANSACTIONS ON PLASMA SCIENCE, Vol: 39, Pages: 2420-2421, ISSN: 0093-3813
  • Author Web Link
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  • Citations: 1
• Journal article
  Prentice HJ, Proud WG, Walley SM, Field JEet al., 2011,

  Optical techniques for the investigation of the ballistic impact of thin plates

  , INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, Vol: 38, Pages: 849-863, ISSN: 0734-743X
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  • Citations: 11
• Journal article
  Bo C, Balzer J, Brown KA, Walley SM, Proud WGet al., 2011,

  Development of a chamber to investigate high-intensity compression waves upon live cell cultures

  , EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS, Vol: 55, ISSN: 1286-0042
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  • Citations: 9
• Journal article
  Hazell PJ, Appleby-Thomas GJ, Trinquant X, Chapman DJet al., 2011,

  In-fiber shock propagation in Dyneema®

  , JOURNAL OF APPLIED PHYSICS, Vol: 110, ISSN: 0021-8979
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  • Citations: 32
• Journal article
  Suzuki-Vidal F, Lebedev SV, Swadling G, et alet al., 2011,

  Interaction of a Supersonic Plasma Jet With an Argon Ambient Using Laser Interferometry

  , IEEE Transactions on Plasma Science, Vol: 39, Pages: 2830-2831

  Highly supersonic radiatively cooled plasma jets are produced by introducing a 1-MA 250-ns current pulse from the MAGPIE generator into a radial foil. The setup allows for the introduction of a neutral gas above the foil, in order to study the jet-ambient interaction. The dynamics are characterized by the formation of several shock features, which are imaged using laser interferometry. This diagnostic also allows to measure the electron density of the plasma, and examples of such results are presented here.

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• Journal article
  Harvey-Thompson AJ, Lebedev SV, Burdiak G, Waisman EM, Hall GN, Suzuki-Vidal F, Bland SN, Chittenden JP, De Grouchy P, Khoory E, Pickworth L, Skidmore J, Swadling Get al., 2011,

  Suppression of the Ablation Phase in Wire Array Z Pinches Using a Tailored Current Prepulse

  , PHYSICAL REVIEW LETTERS, Vol: 106, ISSN: 0031-9007
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  • Citations: 40
• Journal article
  Ramasamy A, Masouros SD, Newell N, Hill AM, Proud WG, Brown KA, Bull AMJ, Clasper JCet al., 2011,

  In-vehicle extremity injuries from improvised explosive devices: current and future foci

  , PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, Vol: 366, Pages: 160-170, ISSN: 0962-8436
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  • Citations: 59
• Conference paper
  Brown K, Bo C, Ramasamy A, Masouros SD, Newell N, Hill AM, Clasper JC, Bull AMJ, Proud WGet al., 2011,

  Prospects for studying how high-intensity compression waves cause damage in human blast injuries

  , 17th Biennial International Conference of the American Physical Society: Topical Group on Shock Compression of Condensed Matter
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• Conference paper
  Lebedev SV, Suzuki-Vidal F, Ciardi A, Bocchi M, Bland SN, Burdiak G, Chittenden JP, de Grouchy P, Hall GN, Harvey-Thompson A, Marocchino A, Swalding G, Frank A, Blackman EG, Camenzind Met al., 2011,

  Laboratory simulations of astrophysical jets

  , 274th Symposium of the International-Astronomical-Union on Advances in Plasma Astrophysics, Publisher: CAMBRIDGE UNIV PRESS, Pages: 26-35, ISSN: 1743-9213
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• Journal article
  Prentice HJ, Proud WG, Walley SM, Field JEet al., 2010,

  The use of digital speckle radiography to study the ballistic deformation of a polymer bonded sugar (an explosive simulant)

  , INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, Vol: 37, Pages: 1113-1120, ISSN: 0734-743X
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  • Citations: 10
• Journal article
  Suzuki-Vidal F, Lebedev SV, Bland SN, Hall GN, Swadling G, Harvey-Thompson AJ, Chittenden JP, Marocchino A, Ciardi A, Frank A, Blackman EG, Bott SCet al., 2010,

  Generation of episodic magnetically driven plasma jets in a radial foil Z-pinch

  , PHYSICS OF PLASMAS, Vol: 17, ISSN: 1070-664X
  • Author Web Link
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  • Citations: 37
• Journal article
  Ivanov VV, Astanovitskiy AL, Papp D, Chittenden JP, Bland SN, Jones B, Altemara SDet al., 2010,

  Study of transparent and nontransparent regimes of implosion in star wire arrays

  , PHYSICS OF PLASMAS, Vol: 17, ISSN: 1070-664X
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  • Citations: 11
• Journal article
  Drodge DR, Williamson DM, Palmer SJP, Proud WG, Govier RKet al., 2010,

  The mechanical response of a PBX and binder: combining results across the strain-rate and frequency domains

  , JOURNAL OF PHYSICS D-APPLIED PHYSICS, Vol: 43, ISSN: 0022-3727
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  • Citations: 22
• Conference paper
  Ampleford DJ, Jennings CA, Hall GN, Lebedev SV, Bland SN, Bott SC, Suzuki-Vidal F, Palmer JBA, Chittenden JP, Cuneo ME, Frank A, Blackman EG, Ciardi Aet al., 2010,

  Bow shocks in ablated plasma streams for nested wire array z-pinches: A laboratory astrophysics testbed for radiatively cooled shocks

  , 51st Annual Meeting of the Division-of-Plasma-Physics of the American-Physics-Society, Publisher: AIP Publishing, ISSN: 1070-664X
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  • Citations: 15
• Journal article
  Forde LC, Proud WG, Walley SM, Church PD, Cullis IGet al., 2010,

  Ballistic impact studies of a borosilicate glass

  , INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, Vol: 37, Pages: 568-578, ISSN: 0734-743X
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  • Citations: 32
• Conference paper
  Suzuki-Vidal F, Lebedev SV, Bland SN, Hall GN, Harvey-Thompson AJ, Chittenden JP, Marocchino A, Bott SC, Palmer JBA, Ciardi Aet al., 2010,

  Effect of Wire Diameter and Addition of an Axial Magnetic Field on the Dynamics of Radial Wire Array <i>Z</i>-Pinches

  , 51st American-Physics-Society-Division-of-Plasma-Physics Meeting, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 581-588, ISSN: 0093-3813
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  • Citations: 21
• Conference paper
  Proud WG, Williamson DM, Field JE, Walley SMet al., 2010,

  Diagnostic techniques in deflagration and detonation studies

  , 13th Seminar on New Trends in Research of Energetic Materials, Publisher: UNIV PARDUBICE, Pages: 21-38
  • Author Web Link
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  • Citations: 2
• Conference paper
  Suzuki-Vidal F, Lebedev SV, Ciardi A, Bland SN, Chittenden JP, Hall GN, Harvey-Thomson A, Marocchino A, Frank A, Blackman EG, Stehle C, Camenzind Met al., 2010,

  Magnetically Driven Supersonic Plasma Jets in High Energy Density Experiments

  , International Symposium Plasmas in the Laboratory and in the Universe: Interactions, Patterns and Turbulence, Publisher: AMER INST PHYSICS, Pages: 266-+, ISSN: 0094-243X
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• Journal article
  Siviour CR, Grantham SG, Williamson DM, Proud WG, Field JEet al., 2009,

  Novel measurements of material properties at high rates of strain using speckle metrology

  , IMAGING SCIENCE JOURNAL, Vol: 57, Pages: 326-332, ISSN: 1368-2199
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  • Citations: 7
• Journal article
  Field JE, Proud WG, Walley SM, 2009,

  Review of optical and X-ray techniques used at the Cavendish Laboratory

  , IMAGING SCIENCE JOURNAL, Vol: 57, Pages: 317-325, ISSN: 1368-2199
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  • Citations: 5
• Conference paper
  Mitchell MD, Chandler KM, Bland S, Suzuki F, Hall G, Thomson AH, Lebedev SV, Chittenden JP, McBride R, Pikuz SA, Shelkovenko TA, Hammer DA, Kusse BRet al., 2009,

  Current rise-rate scaling for radial wire arrays

  , ISSN: 0730-9244
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• Journal article
  Bott SC, Haas DM, Eshaq Y, Ueda U, Beg FN, Hammer DA, Kusse B, Greenly J, Shelkovenko TA, Pikuz SA, Blesener IC, McBride RD, Douglass JD, Bell K, Knapp P, Chittenden JP, Lebedev SV, Bland SN, Hall GN, Vidal FAS, Marocchino A, Harvey-Thomson A, Haines MG, Palmer JBA, Esaulov A, Ampleford DJet al., 2009,

  Study of the effect of current rise time on the formation of the precursor column in cylindrical wire array Z pinches at 1 MA

  , PHYSICS OF PLASMAS, Vol: 16, ISSN: 1070-664X
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  • Citations: 22
• Journal article
  Kraus RG, Chapman DJ, Proud WG, Swift DCet al., 2009,

  Hugoniot and spall strength measurements of porous aluminum

  , JOURNAL OF APPLIED PHYSICS, Vol: 105, ISSN: 0021-8979
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  • Citations: 9
• Conference paper
  Chittenden JP, Niasse NP, Bland SN, Hall GA, Lebedev SV, Jennings CAet al., 2009,

  Recent advances in magneto-hydrodynamic modeling of wire array Z-pinches

  , Pages: 1-1, ISSN: 0730-9244
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• Conference paper
  Hall GN, Bland SN, Lebedev SV, Chittenden JP, Palmer J, Suzuki-Vidal FA, Harvey-Thompson AJ, Swadling GF, Niasse N, Bott SCet al., 2009,

  Modifying Wire-Array Z-Pinch Ablation Structure and Implosion Dynamics Using Coiled Wires

  , Pages: 520 -529-520 -529, ISSN: 0093-3813
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• Journal article
  Forde LC, Proud WG, Walley SM, 2009,

  Symmetrical Taylor impact studies of copper

  , PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 465, Pages: 769-790, ISSN: 1364-5021
  • Author Web Link
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  • Citations: 30
• Journal article
  Harvey-Thompson AJ, Lebedev SV, Bland SN, Chittenden JP, Hall GN, Marocchino A, Suzuki-Vidal F, Bott SC, Palmer JBA, Ning Cet al., 2009,

  Quantitative analysis of plasma ablation using inverse wire array Z pinches

  , PHYSICS OF PLASMAS, Vol: 16, ISSN: 1070-664X
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  • Citations: 41
• Journal article
  Ciardi A, Lebedev SV, Frank A, Suzuki-Vidal F, Hall GN, Bland SN, Harvey-Thompson A, Blackman EG, Camenzind Met al., 2009,

  EPISODIC MAGNETIC BUBBLES AND JETS: ASTROPHYSICAL IMPLICATIONS FROM LABORATORY EXPERIMENTS

  , Astrophysical Journal Letters, Vol: 691, Pages: L147-L150, ISSN: 2041-8213

  Collimated outflows (jets) are ubiquitous in the universe, appearing around sources as diverse as protostars and extragalactic supermassive black holes. Jets are thought to be magnetically collimated, and launched from a magnetized accretion disk surrounding a compact gravitating object. We have developed the first laboratory experiments to address time-dependent, episodic phenomena relevant to the poorly understood jet acceleration and collimation region. The experimental results show the periodic ejections of magnetic bubbles naturally evolving into a heterogeneous jet propagating inside a channel made of self-collimated magnetic cavities. The results provide a unique view of the possible transition from a relatively steady-state jet launching to the observed highly structured outflows.

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