Výsledky vyhledávání - "K. J. Peterson"

Akademický článek

Geometric remapping of particle distributions in the Discrete Element Model for Sea Ice (DEMSI v0.0)

Autor: A. K. Turner, K. J. Peterson, D. Bolintineanu

Publikováno v: Geoscientific Model Development, Vol 15, Pp 1953-1970 (2022)

A new sea ice dynamical core, the Discrete Element Model for Sea Ice (DEMSI), is under development for use in coupled Earth system models. DEMSI is based on the discrete element method, which models collections of ice floes as interacting Lagrangian

Externí odkaz: https://doaj.org/article/a39dbb0ab8704880ae2d98182a719e66

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Akademický článek

Conceptual designs of two petawatt-class pulsed-power accelerators for high-energy-density-physics experiments

Autor: W. A. Stygar, T. J. Awe, J. E. Bailey, N. L. Bennett, E. W. Breden, E. M. Campbell, R. E. Clark, R. A. Cooper, M. E. Cuneo, J. B. Ennis, D. L. Fehl, T. C. Genoni, M. R. Gomez, G. W. Greiser, F. R. Gruner, M. C. Herrmann, B. T. Hutsel, C. A. Jennings, D. O. Jobe, B. M. Jones, M. C. Jones, P. A. Jones, P. F. Knapp, J. S. Lash, K. R. LeChien, J. J. Leckbee, R. J. Leeper, S. A. Lewis, F. W. Long, D. J. Lucero, E. A. Madrid, M. R. Martin, M. K. Matzen, M. G. Mazarakis, R. D. McBride, G. R. McKee, C. L. Miller, J. K. Moore, C. B. Mostrom, T. D. Mulville, K. J. Peterson, J. L. Porter, D. B. Reisman, G. A. Rochau, G. E. Rochau, D. V. Rose, D. C. Rovang, M. E. Savage, M. E. Sceiford, P. F. Schmit, R. F. Schneider, J. Schwarz, A. B. Sefkow, D. B. Sinars, S. A. Slutz, R. B. Spielman, B. S. Stoltzfus, C. Thoma, R. A. Vesey, P. E. Wakeland, D. R. Welch, M. L. Wisher, J. R. Woodworth

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 18, Iss 11, p 110401 (2015)

We have developed conceptual designs of two petawatt-class pulsed-power accelerators: Z 300 and Z 800. The designs are based on an accelerator architecture that is founded on two concepts: single-stage electrical-pulse compression and impedance match

Externí odkaz: https://doaj.org/article/7a73205ef98b4b91b353618da8ea4981

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Demonstration of improved laser preheat with a cryogenically cooled magnetized liner inertial fusion platform

Publikováno v: Review of Scientific Instruments. 94

We report on progress implementing and testing cryogenically cooled platforms for Magnetized Liner Inertial Fusion (MagLIF) experiments. Two cryogenically cooled experimental platforms were developed: an integrated platform fielded on the Z pulsed po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6f39ff42f9cbe21c66b8e191c3fea54
https://doi.org/10.1063/5.0142587

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Harmonic Generation and Inverse Cascade in the z-Pinch Driven, Preseeded Multimode, Magneto-Rayleigh-Taylor Instability

Autor: D. E. Ruiz, D. A. Yager-Elorriaga, K. J. Peterson, D. B. Sinars, M. R. Weis, D. G. Schroen, K. Tomlinson, J. R. Fein, K. Beckwith

Publikováno v: Physical Review Letters. 128

The magneto-Rayleigh-Taylor instability (MRTI) plays an essential role in astrophysical systems and in magneto-inertial fusion, where it is known to be an important degradation mechanism of confinement and target performance. In this Letter, we show

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72fbaa347f029c7a1d856961003e7a20
https://doi.org/10.1103/physrevlett.128.255001

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Exploring the parameter space of MagLIF implosions using similarity scaling. III. Rise-time scaling

Autor: D. E. Ruiz, P. F. Schmit, M. R. Weis, K. J. Peterson, M. K. Matzen

Publikováno v: Physics of Plasmas. 30:032709

Magnetized Liner Inertial Fusion (MagLIF) is a z-pinch magneto-inertial-fusion (MIF) concept studied on the Z Machine at Sandia National Laboratories. Two important metrics characterizing current delivery to a z-pinch load are the peak current and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abbe84c67192e3812f7efd042dee7ca4
https://doi.org/10.1063/5.0126700

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Exploring the Parameter Space of MagLIF Implosions using Similarity Scaling

Autor: D. E. Ruiz, P. F. Schmit, D. A. Yager-Elorriaga, M. R. Weis, C. Jennings, P. F. Knapp, M. R. Gomez, S. A. Stutz, D. J. Ampleford, K. Beckwith, K. J. Peterson, M. K. Matzen

Publikováno v: 2022 IEEE International Conference on Plasma Science (ICOPS).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::389a047f4511c22b2c69cb604b1e5bcd
https://doi.org/10.1109/icops45751.2022.9813253

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Estimation of stagnation performance metrics in magnetized liner inertial fusion experiments using Bayesian data assimilation

Publikováno v: Physics of Plasmas. 29

We present a new analysis methodology that allows for the self-consistent integration of multiple diagnostics including nuclear measurements, x-ray imaging, and x-ray power detectors to determine the primary stagnation parameters, such as temperature

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ead310ceadfc79fb3f0c805cec9fda87
https://doi.org/10.1063/5.0087115

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Experimental demonstration of >20 kJ laser energy coupling in 1-cm hydrocarbon-filled gas pipe targets via inverse Bremsstrahlung absorption with applications to MagLIF

Autor: B. B. Pollock, C. Goyon, A. B. Sefkow, M. E. Glinsky, K. J. Peterson, M. R. Weis, E. G. Carroll, J. Fry, K. Piston, A. J. Harvey-Thompson, S. B. Hansen, K. Beckwith, D. J. Ampleford, E. R. Tubman, D. J. Strozzi, J. S. Ross, J. D. Moody

Publikováno v: Physics of Plasmas. 30:022711

Laser propagation experiments using four beams of the National Ignition Facility to deliver up to 35 kJ of laser energy at 351 nm laser wavelength to heat magnetized liner inertial fusion-scale (1 cm-long), hydrocarbon-filled gas pipe targets to ∼k

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::931e43c3709d0c6803852815ecd3307a
https://doi.org/10.1063/5.0120916

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Rangeomorphs, Thectardis (Porifera?) and dissolved organic carbon in the Ediacaran oceans

Autor: E A, Sperling, K J, Peterson, M, Laflamme

Publikováno v: Geobiology. 9(1)

The mid-Ediacaran Mistaken Point biota of Newfoundland represents the first morphologically complex organisms in the fossil record. At the classic Mistaken Point localities the biota is dominated by the enigmatic group of "fractally" branching organi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0502ab92e32695e41e23762e1d9edf5a
https://pubmed.ncbi.nlm.nih.gov/21044251

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