Zobrazeno 1 - 10
of 127
pro vyhledávání: '"J. Rapley"'
Autor:
Andriy Legenkyy, Marie Helliwell, Karl R. Wright, Rosie Tate, Fiona F. Tuckett, Tamiko Watson, Holly J. Godfrey, Clinton Zirk, Benjamin Wylie-Cheer, Ashleigh Fromont, Mathew Crighton, Emma Watson, Connor M. J. Rapley, Sarah O’Hagan, Laura M. James, Alejandra Gomez, James D. B. McClintock, Kevin Siemer, Alexander Thomas-Long, Kimberly M. Presow, Melanie P. Banks, Rachael Pritchard-Thorsen, Michael J. Wood
Publikováno v:
First International Meeting for Applied Geoscience & Energy Expanded Abstracts.
Autor:
Sergey Lebedev, J. Rapley, Jerry Chittenden, David J. Ampleford, Simon C. Bott, C. A. Jennings, Andrea Ciardi, Thibaut Lery, Adam Frank, S. N. Bland, Alberto Marocchino, Gareth Hall, F. A. Suzuki Vidal, Eric G. Blackman
Publikováno v:
Astrophysics and Space Science. 307:17-22
Jets and outflows are thought to be an integral part of accretion phenomena and are associated with a large variety of objects. In these systems, the interaction of magnetic fields with an accretion disk and/or a magnetized central object is thought
Autor:
A. Ciardi, S. V. Lebedev, J. P. Chittenden, D. J. Ampleford, S. N. Bland, B. S. Bott, J. Rapley
Publikováno v:
Astrophysics and Space Science. 298:277-286
Autor:
S. V. Lebedev, A. Ciardi, D. J. Ampleford, S. N. Bland, S. C. Bott, J. P. Chittenden, G. N. Hall, J. Rapley, C. A. Jennings, A. Frank, E. G. Blackman, T. Lery
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 361:97-108
We present the first results of high energy density laboratory astrophysics experiments which explore the evolution of collimated outflows and jets driven by a toroidal magnetic field. The experiments are scalable to astrophysical flows in that criti
Autor:
Simon C. Bott, J. Rapley, M. G. Haines, Sergey Lebedev, C. A. Jennings, Simon Bland, J. B. A. Palmer, Jerry Chittenden, David J. Ampleford
Publikováno v:
Nuclear Fusion. 44:S215-S220
We report on experiments on the MAGPIE generator (1 MA, 250 ns) to study the physics of plasma formation in wire array Z-pinches. It is shown that the gradual redistribution of the array mass by the precursor plasma flow from wire cores plays a very
Autor:
J. Rapley, D. K. Lobley, Brent Manley Jones, Geoffrey Hall, D. J. Ampleford, J. B. A. Palmer, J. P. Ramacciotti, A. E. Griego, J. E. Garrity, K. L. Martin, Simon Bland, C. Deeney, S. C. Bott, Sergey Lebedev, John Lee McKenney
Publikováno v:
Review of Scientific Instruments. 75:5030-5034
A technique for manufacturing wires with imposed modulation in radius with axial wavelengths as short as 1 mm is presented. Extruded aluminum 5056 with 15 μm diameter was masked and chemically etched to reduce the radius by ∼20% in selected region
Publikováno v:
Propellants, Explosives, Pyrotechnics. 18:25-28
Titanium/blackpowder compositions have been involved in a number of ignition incidents during consolidation. We report the results of a systematic study to investigate the effects of the particle size and proportion of titanium on the mechanical sens
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Autor:
R. J. Rapley, Roland K. Wharton
Publikováno v:
Propellants, Explosives, Pyrotechnics. 17:139-145
The paper presents the results of a detailed technical investigations of the cause of the fire and subsequent explosion at Peterborough on 22 March 1989 involving a vehicle containing a mixed load of explosives and detonators. Tests were done to exam
Autor:
J. B. A. Palmer, Jerry Chittenden, S. C. Bott, Gareth Hall, Sergey Lebedev, J. Rapley, Andrea Ciardi, M. G. Haines, Simon Bland, Christopher Jennings, D. J. Ampleford, Mark Sherlock, Farhat Beg
Publikováno v:
Physical review. E, Statistical, nonlinear, and soft matter physics. 74(4 Pt 2)
This paper summarizes the present understanding of the processes leading to precursor column formation in cylindrical wire arrays on the $1\phantom{\rule{0.3em}{0ex}}\mathrm{MA}$ MAGPIE generator at Imperial College London. Direct experimental measur