Search Results - "Weller, M.E."

Study of x-rays produced from debris-free sources with Ar, Kr and Kr/Ar mixture linear gas jets irradiated by UNR Leopard laser beam with fs and ns pulse duration by Kantsyrev, V.L., Schultz, K.A., Shlyaptseva, V.V., Safronova, A.S., Shrestha, I.K., Petrov, G.M., Moschella, J.J., Petkov, E.E., Stafford, A., Cooper, M.C., Weller, M.E., Cline, W., Wiewior, P., Chalyy, O.

“…Experiments of x-ray emission from Ar, Kr, and Ar/Kr gas jet mixture were performed at the UNR Leopard Laser Facility operated with 350 fs pulses at laser…”
Get full text

Temporal characteristics and radiative properties of uniform Mo and combined with Al triple planar wire arrays by Weller, M.E., Safronova, A.S., Kantsyrev, V.L., Shrestha, I., Stafford, A., Shlyaptseva, V.V., Petkov, E.E.

“…Results of the research with triple planar wire arrays (TPWAs) made of uniform Mo or from combined Mo and Al planes obtained on the University of Nevada, Reno…”
Get full text

Plasma ionization and resistivity models for low-, mid- and higher-atomic number plasmas and their applications to radiative properties of z-pinches by Esaulov, A.A., Johnson, W.R., Safronova, A.S., Safronova, U.I., Kantsyrev, V.L., Weller, M.E., Ouart, N.D.

“…The LTE Saha–Boltzmann plasma ionization balance model and the Braginskii plasma electric resistance model are compared with the results by a suite of codes…”
Get full text

Implosion characteristics and applications of combined tungsten–aluminum Z-pinch planar arrays by Osborne, G.C., Kantsyrev, V.L., Esaulov, A.A., Safronova, A.S., Weller, M.E., Shrestha, I., Williamson, K.M., Shlyaptseva, V.V.

“…An exploration of the implosion properties and X-ray radiation pulses from tungsten-based planar wire array Z-pinch experiments is presented, with an emphasis…”
Get full text

Searching for efficient X-ray radiators for wire array Z-pinch plasmas using mid-atomic-number single planar wire arrays on Zebra at UNR by Safronova, A.S., Esaulov, A.A., Kantsyrev, V.L., Ouart, N.D., Shlyaptseva, V., Weller, M.E., Keim, S.F., Williamson, K.M., Shrestha, I., Osborne, G.C.

“…We continue to search for more efficient X-ray radiators from wire array Z-pinch plasmas. The results of recent experiments with single planar wire array…”
Get full text

Time-gated measurements of electron beam generated Kα emission lines from brass planar wire array implosions by Ouart, N.D., Giuliani, J.L., Safronova, A.S., Kantsyrev, V.L., Esaulov, A.A., Pereira, N.R., Shrestha, I., Williamson, K.M., Osborne, G.C., Weller, M.E., Shlyaptseva, V.

“…The relative amount of Kα radiation emitted by partially ionized copper and zinc from planar wire arrays on the 1 MA Zebra generator at the University of…”
Get full text

A review of new wire arrays with open and closed magnetic configurations at the 1.6 MA Zebra generator for radiative properties and opacity effects by Kantsyrev, V.L., Safronova, A.S., Esaulov, A.A., Williamson, K.M., Shrestha, I., Yilmaz, F., Osborne, G.C., Weller, M.E., Ouart, N.D., Shlyaptseva, V.V., Rudakov, L.I., Chuvatin, A.S., Velikovich, A.L.

“…The studies emphasize investigation of plasma formation, implosion, and radiation features as a function of two load configurations: compact multi-planar and…”
Get full text

Atomic physics of relativistic high contrast laser-produced plasmas in experiments on Leopard laser facility at UNR by Safronova, A.S., Kantsyrev, V.L., Faenov, A.Y., Safronova, U.I., Wiewior, P., Renard-Le Galloudec, N., Esaulov, A.A., Weller, M.E., Stafford, A., Wilcox, P., Shrestha, I., Ouart, N.D., Shlyaptseva, V., Osborne, G.C., Chalyy, O., Paudel, Y.

“…The results of the recent experiments focused on study of x-ray radiation from multicharged plasmas irradiated by relativistic (I > 1019 W/cm2) sub-ps laser…”
Get full text

Radiative properties of mixed nested cylindrical wire arrays on Zebra at UNR by Weller, M.E., Safronova, A.S., Kantsyrev, V.L., Esaulov, A.A., Coverdale, C.A., Chuvatin, A.S., Ouart, N.D., Williamson, K.M., Shrestha, I., Osborne, G.C., Shlyaptseva, V.V., Keim, S.F., Stafford, A.

“…The dynamics of mixed nested cylindrical wire arrays were studied at the UNR Zebra generator with our existing theoretical and experimental tools to better…”
Get full text

Double planar wire arrays at enhanced current on Zebra by Safronova, A. S., Kantsyrev, V. L., Shrestha, I., Weller, M. E., Shlyaptseva, V. V., Stafford, A., Lorance, M., Esaulov, A. A., Chuvatin, A. S., Coverdale, C. A., Jones, B., Ampleford, D. J.

“…Double Planar Wire Arrays (DPWA), which consist of two parallel rows of wires, have demonstrated high radiation efficiency (up to 30 kJ), compact size (1.5-3…”
Get full text

WADM and radiation MHD simulations of compact multi-planar and cylindrical wire arrays at 1 MA currents by Esaulov, A.A., Kantsyrev, V.L., Safronova, A.S., Williamson, K.M., Shrestha, I., Osborne, G.C., Yilmaz, M.F., Ouart, N.D., Weller, M.E.

“…The radiative performance of Z-pinches created by the imploding wire array loads is defined by the ablation and implosion dynamics of these loads. Both these…”
Get full text

Investigation of characteristics of hard x-rays produced during implosions of wire array loads on 1.6 MA Zebra generator by Shrestha, I., Kantsyrev, V.L., Safronova, A.S., Esaulov, A.A., Williamson, K.M., Ouart, N.D., Osborne, G.C., Weller, M.E., Yilmaz, M.F.

“…Experimental study of the characteristics of hard x-ray (HXR) emission from multi-planar wire arrays and compact-cylindrical wire arrays (CCWA) plasmas on the…”
Get full text

Radiation signatures of large sized multi-planar wire arrays by Safronova, A. S., Kantsyrev, V. L., Esaulov, A. A., Weller, M. E., Shrestha, I., Shlyaptseva, V. V., Stafford, A., Osborne, G. C., Keim, S. F., Petkov, E. E., Chuvatin, A. S., Coverdale, C. A., Jones, B.

“…Summary form only given. Experiments on the Zebra generator with LCM (Load Current Multiplier, provides 1.5-1.7 MA) allow for implosions of larger sized wire…”
Get full text

A review of new wire arrays with open and closed magnetic configurations at the 1.6MA Zebra generator for radiative properties and opacity effects by Kantsyrev, V.L., Safronova, A.S., Esaulov, A.A., Williamson, K.M., Shrestha, I., Yilmaz, F., Osborne, G.C., Weller, M.E., Ouart, N.D., Shlyaptseva, V.V., Rudakov, L.I., Chuvatin, A.S., Velikovich, A.L.

Get full text

Study of a prototype of a new compact hohlraum configuration at the 1.7 MA UNR zebra generator by Kantsyrev, V.L., Safronova, A.S., Esaulov, A.A., Shrestha, I., Osborne, G.C., Shlyaptseva, V.V., Weller, M.E., Zunino, H.A., Chuvatin, A.S., Rudakov, L.I., Velikovich, A.L., Jones, B., Vesey, R.A.

“…A new hohlraum configuration for radiation physics/ICF was proposed [B. Jones et al., PRL 104, 125001 (2010)]. Multiple compact (mm-scale) planar wire array…”
Get full text

New results from 1-MA planar wire array experiments focused on the time-gated measurements of cold Kα lines by Ouart, N.D., Safronova, A.S., Kantsyrev, V.L., Esaulov, A.A., Shrestha, I., Williamson, K.M., Osborne, G.C., Weller, M.E., Shlyaptseva, V.

“…Summary form only given. Previous experiments on the 1-MA "Zebra" generator at the University of Nevada, Reno studied L-shell Cu and Zn emissions from…”
Get full text

Study of hard x-ray emission from high energy density plasmas by Shrestha, L., Kantsyrev, V.L., Safronova, A.S., Esaulov, A.A., Williamson, K.M., Ouart, N.D., Osborne, G., Weller, M.E., Yilmaz, F.M.

“…Summary form only given: The study of characteristics of hard x-rays and generation of electron beams is very important for high energy density physics…”
Get full text

Investigation of two-step precursor formation in multi-planar wire arrays on the 1MA Zebra generator by Williamson, K.M., Kantsyrev, V.L., Esaulov, A.A., Safronova, A.S., Shrestha, I., Osborne, G.C., Weller, M.E., Shlyaptseva, V.

“…Summary form only given. The double-planar wire array (DPWA) is the most promising Z-pinch load studied on the Zebra generator for application to radiation…”
Get full text

HEDP produced on the university-scale Z-pinch generators: From X-pinches to wire arrays and applications to astrophysics by Safronova, A.S., Kantsyrev, V.L., Esaulov, A.A., Ouart, N.D., Shlyaptseva, V., Yilmaz, M.F., Williamson, K.M., Shrestha, I., Osborne, G.C., Weller, M.E., Coverdale, C.A., Deeney, C.

“…Summary form only given. A university-scale Z-pinch generator is able to produce HED plasmas within a broad range of temperatures and densities depending on…”
Get full text

Analysis of EUV data from implosions of aluminum wire arrays on 1 MA university-scale generators by Wilcox, P.G., Safronova, A.S., Kantsyrev, V.L., Esaulov, A.A., Williamson, K.M., Weller, M.E., Yilmaz, M.F., Ouart, N.D., Osborne, G.C., Shrestha, I.

“…Summary form only given. EUV spectroscopy is a feasible tool for diagnosing of Z-pinch plasma before and after stagnation in complement to X-ray spectroscopy,…”
Get full text