Search Results - "Threadgold, Jim"

Overview of Self-Magnetically Pinched-Diode Investigations on RITS-6 by Hahn, Kelly D, Bruner, Nichelle, Johnston, Mark D, Oliver, Bryan V, Webb, Timothy J, Welch, Dale R, Cordova, Steve R, Crotch, Ian, Gignac, Raymond E, Leckbee, Josh J, Molina, Isidro, Portillo, Salvador, Threadgold, Jim R, Ziska, Derek

“…The electron-beam-driven self-magnetically pinched diode is a candidate for future flash X-ray radiographic sources. As presently fielded on Sandia…”
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Investigations Into the Role of the Bremsstrahlung Conversion Target in the Self-Magnetic Pinch Radiographic Diode by Martin, P. N., Threadgold, J. R., Jones, A., McLean, J., Cooper, G. M., Webb, K., Jeffries, G., Juniper, P.

“…In order to understand the role of the Bremsstrahlung conversion target assembly of the self-magnetic pinch diode, an investigation is undertaken on the…”
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Multimegavolt multiaxis high-resolution flash X-ray source development for a new hydrodynamics research facility at AWE Aldermaston by Goldsack, T.J., Bryant, T.F., Beech, P.F., Clough, S.G., Cooper, G.M., Davitt, R., Edwards, R.D., Kenna, N., McLean, J., Pearce, A.G., Phillips, M.J., Pullinger, K.P., Short, D.J., Sinclair, M.A., Thomas, K.J., Threadgold, J.R., Williamson, M.C., Krushelnick, K.

“…The Atomic Weapons Establishment, Aldermaston, U.K., has a number of pulsed-power-driven flash X-ray machines for diagnosing the hydrodynamics of…”
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High-Power Self-Pinch Diode Experiments for Radiographic Applications by Hinshelwood, D.D., Allen, R.J., Commisso, R.J., Cooperstein, G., Huhman, B.M., Mosher, D., Murphy, D.P., Ottinger, P.F., Schumer, J.W., Swanekamp, S.B., Stephanakis, S.J., Weber, B.V., Young, F.C., Crotch, I., O'Malley, J., Threadgold, J.R.

“…We report here on self-magnetic-pinch diode experiments at voltages from 3.5 to 6 MV. In addition to electrical diagnostics, the diode is characterized as a…”
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Comparison of electroplated and hand painted cathodes on self magnetic pinch radiographic diode operation by Macdonald, James, Threadgold, Jim, Webb, Kevin, Chima, Sav

“…Summary form only given. The repeatability of the radiographic performance of the Self Magnetic Pinch (SMP) diode is crucial to its use in Hydrodynamic…”
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Overview of Self-Magnetically Pinched-Diode Investigations on RITS-6: SPECIAL ISSUE ON PULSED POWER SCIENCE AND TECHNOLOGY by HAHN, Kelly D, BRUNER, Nichelle, MOLINA, Isidro, PORTILLO, Salvador, THREADGOLD, Jim R, ZISKA, Derek, JOHNSTON, Mark D, OLIVER, Bryan V, WEBB, Timothy J, WELCH, Dale R, CORDOVA, Steve R, CROTCH, Ian, GIGNAC, Raymond E, LECKBEE, Josh J

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Activation of sodium iodide detectors in an Active Interrogation environment by Ellis, Mark, Mitchell, Lee, Jackson, Stuart L., Zier, Jacob C., O'Malley, John, Threadgold, Jim R., Clemett, Ceri D., Thandi, Amandeep, Martin, Philip N.

“…Applications such as the Active Interrogation of shielded nuclear material that require the detection of specific gamma and neutron signatures in a high mixed…”
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Radiographic Properties of Plasma-Filled Rod-Pinch Diodes by Weber, B.V., Allen, R.J., Commisso, R.J., Cooperstein, G., Hinshelwood, D.D., Mosher, D., Murphy, D.P., Ottinger, P.F., Phipps, D.G., Schumer, J.W., Stephanakis, S.J., Swanekamp, S.B., Pope, S.C., Threadgold, J.R., Biddle, L.A., Clough, S.G., Jones, A., Sinclair, M.A., Swatton, D., Carden, T., Oliver, B.V.

“…The plasma-filled rod-pinch diode (PFRP) is a new X-ray source appropriate for pulsed hydrodynamic radiography with endpoint voltage in the 1-2 MV range. The…”
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Pulsed power active interrogation of shielded fissionable material by Woolf, Richard S., Phlips, Bernard F., Hutcheson, Anthony L., Wulf, Eric A., Zier, Jacob C., Jackson, Stuart L., Commisso, Robert J., Schumer, Joseph W., Clemett, Ceri, O'Malley, John, Hill, Cassie, Maddock, Robert, Martin, Philip, Threadgold, Jim

“…We report on a collaborative test campaign conducted at the Naval Research Laboratory's Mercury pulsed power facility in December of 2012. The experiment…”
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Power Flow in the Vacuum Section of the EROS Accelerator by Jones, Aled, Threadgold, Jim, Sinclair, Mark, Stevens, Andrew

“…Summary form only given. Used to conduct research into the intense flash x-ray source, the self magnetic pinch diode, EROS delivers approximately 100 kA across…”
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Comparison of electroplated and hand painted cathodes on self magnetic pinch radiographic diode operation by Macdonald, James, Threadgold, Jim, Webb, Kevin, Chima, Sav

“…The repeatability of the radiographic performance of the Self Magnetic Pinch (SMP) diode is crucial to its use in Hydrodynamic experiments [1]. Years of…”
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Pre-pulse reduction on the Eros accelerator at AWE by Sinclair, M., Threadgold, J., Crotch, I., Phillips, M., Hamlett, A., Jeffries, G., Webb, K.

“…Summary form only given. The diode research programme at AWE has identified a requirement for a driver for low impedance (/spl sim/50 ohm) diode development…”
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Self magnetic pinch diode experiments at 4-6 MV by Threadgold, J., Crotch, I., Sinclair, M., Philips, M., Portillo, S., Maenchen, J., Vermare, C., Bayol, F.

“…Summary form only given. Self Magnetic Pinch diode experiments carried out at voltages of 4-6 MV using a variety of different pulse power drivers. Experiments…”
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Further work on the implementation of rod pinch diodes on negative polarity pulse power drivers by Threadgold, Jim R., Pearce, Adrian G., Sinclair, Mark A., Crotch, Ian

“…Recent work by the AWE Pulsed Power Group has been to implement a rod pinch diode on some of the UK lower voltage (800kV to 4MV) negative polarity pulse power…”
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Development of a high and low impedance diode testing facility at AWE Aldermaston by Sinclair, Mark, Aedy, C., Cooper, G., Critchley, A., Crotch, I., Hamlett, A., McLean, J., O'Malley, J., Phillips, M., Quillin, S., Threadgold, J.

“…To meet the future resolution targets for radiography of hydrodynamic experiments at A WE, the Hydrodynamics Department is creating a dedicated Diode Research…”
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