Zobrazeno 1 - 10
of 24
pro vyhledávání: '"D. Lojewski"'
Publikováno v:
IEEE Transactions on Plasma Science. 33:752-762
We have developed a 12-cm-diameter Ar gas Z-pinch load, which produces two annular gas shells and a center gas jet. The two-dimensional (2-D) gas density profiles of the load, in r-/spl theta/ and r-z planes, were measured with submillimeter spatial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f578e678c5b69cc645c54711caca73a0
https://doi.org/10.1109/tps.2005.845253
https://doi.org/10.1109/tps.2005.845253
Autor:
J.R. Goyer, H.M. Sze, Niansheng Qi, B.H. Failor, D. Lojewski, J.C. Riordan, A. Verma, B. Whitton, S.K. Lam
Publikováno v:
2008 IEEE 35th International Conference on Plasma Science.
Summary form only given. A two-frame laser shearing interferometer (LSI) was used to study the plasma evolution in a 140-kV, 220-kA electron-beam diode with a current pulse rise time of 40 ns. LSI used a 150-ps, 100-mJ, 532-nm, 10-cm-diameter, linear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b34b4fd20d845a028eec9f72330639b3
https://doi.org/10.1109/plasma.2008.4591097
https://doi.org/10.1109/plasma.2008.4591097
Publikováno v:
2007 IEEE 34th International Conference on Plasma Science (ICOPS).
Summary form only given. Design studies have been completed to investigate the impact of improvements in fast energy storage systems on the designs of: larger future simulators, simulator upgrades of operational machines, and for very compact, smalle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d3fbea170ec4d5bf7a35e3a9dc942b3
https://doi.org/10.1109/ppps.2007.4345672
https://doi.org/10.1109/ppps.2007.4345672
Autor:
B.H. Failor, D. Lojewski, H.M. Sze, J.S. Levine, John P. Apruzese, Niansheng Qi, J.W. Banister, A. L. Velikovich, J.W. Thornhill
Publikováno v:
The 33rd IEEE International Conference on Plasma Science, 2006. ICOPS 2006. IEEE Conference Record - Abstracts..
Summary form only given. Structured 12 cm diameter Ar gas puff loads have produced Rayleigh-Taylor stable implosions and K-yields close to 1D hydrocode predictions. In order to optimize the designs of future loads, it is important to identify the rea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc42d0046ac271d4ab9886c409b4d5a0
https://doi.org/10.1109/plasma.2006.1707273
https://doi.org/10.1109/plasma.2006.1707273
Autor:
B. H. Failor, H. Sze, A. Wilson, P. Steen, J.-P. Davis, J.W. Banister, N. Qi, A. L. Velikovich, J. S. Levine, D. Lojewski
Publikováno v:
AIP Conference Proceedings.
We modified our original 12 cm diameter double‐shell gas puff nozzle to include an on‐axis jet with a large diameter throat and an independent plenum to allow a large fraction of the total mass to be contained in the central region (r=0–1.5 cm)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5eff2fdf9ba37cf04f7cfdd5b824cf9b
https://doi.org/10.1063/1.2159346
https://doi.org/10.1063/1.2159346
Autor:
A. L. Velikovich, J. S. Levine, J. C. Davis, H. Sze, B. H. Failor, P. Sincerny, Niansheng Qi, D. Lojewski, J.W. Banister
Publikováno v:
Physical Review Letters. 95
We have proposed and demonstrated successfully a new approach for generating high-yield K-shell radiation with large-diameter gas-puff Z pinches. The novel load design consists of an outer region plasma that carries the current and couples energy fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ab29637431de2dba15b55c8967ea0de
https://doi.org/10.1103/physrevlett.95.105001
https://doi.org/10.1103/physrevlett.95.105001
Publikováno v:
IEEE Conference Record - Abstracts. 2005 IEEE International Conference on Plasma Science.
Summary form only given. Differential absorption spectrometers (DAS) are commonly used to measure the X-ray spectrum generated from high-current, relativistic electron beam diodes. We have previously presented a novel parametric spectral unfold techn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb52c91a3341475be8433c703562751e
https://doi.org/10.1109/plasma.2005.359177
https://doi.org/10.1109/plasma.2005.359177
Publikováno v:
IEEE Conference Record - Abstracts. 2005 IEEE International Conference on Plasma Science.
Summary form only given. Nozzles for high current, short implosion time (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b56ea9702b23e0e6699a87901cfc7b1
https://doi.org/10.1109/plasma.2005.359521
https://doi.org/10.1109/plasma.2005.359521
Publikováno v:
IEEE Conference Record - Abstracts. 2005 IEEE International Conference on Plasma Science.
Summary form only given. Because the energy coupling and the X-ray output of Z-pinch plasma radiation sources are determined by the implosion history, measurements from the initial gas phase, through the MHD implosion phase, to the final pinch phase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e37401b440b1a73f983481e1ce2ceafa
https://doi.org/10.1109/plasma.2005.359270
https://doi.org/10.1109/plasma.2005.359270
Publikováno v:
IEEE Conference Record - Abstracts. 2005 IEEE International Conference on Plasma Science.
Summary form only given. A number of diagnostics have been developed to measure the argon K-shell (~3 keV) X-ray emitting volume and spectrum. However, only ~20% of the load mass participates in the K-shell emission and less than 20% of the total emi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9eced3af7df0333c648b701f1aebc40d
https://doi.org/10.1109/plasma.2005.359365
https://doi.org/10.1109/plasma.2005.359365