Conceptual designs of 300-TW and 800-TW pulsed-power accelerators

Stygar, W. A.; Bailey, J. E.; Bennett, Nichelle; Clark, Robert E.; Cooper, Robert; Cuneo, M. E.; Ennis, J.B.; Flicker, Dawn G.; Focia, R.J.; Fowler, William; Genoni, T. C.; Goerz, D.A.; Gómez, M. R.; Gruner, F. R.; Harmon, R.A.; Herrmann, Mark; Huber, Dale L.; Hutsel, B. T.; Jones, M. C.; LeChien, K. R.; Leeper, R. J.; Lewis, S. A.; Long, F. W.; López, M. R.; Lucero, D. J.; Madrid, E. A.; Matzen, K.; Mazarakis, M.G.; McKee, R.; Miller, Carol; Mostrom, C. B.; Nakhleh, Charles; Porter, J. L.; Reisman, D. B.; Rochau, Gregory A.; Rose, D. V.; Schwarz, Jens; Savage, M. E.; Sefkow, A. B.; Sinars, Daniel Brian; Stoltzfus, Brian; Vesey, Roger Alan; Welch, D. R.; Woodworth, J. R.

doi:10.1109/plasma.2013.6633456

Cited by 2 publications

(6 citation statements)

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“…The load consists of a set of conductors that form an inductive short circuit [1][2][3][30][31][32][33][34][35][36][37][38][39][40][41]. The current delivered to such a load creates a magnetic pressure between the load's conductors, which is used to drive the experiment.…”

Section: Conceptual Design Of Neptunementioning

confidence: 99%

“…To facilitate the creation of a wide variety of precise loadcurrent time histories, a next-generation material-physics accelerator has been conceived and is being developed [37][38][39][40][41]. This machine, which we refer to as Thor, will be driven by as many as 288 independent transit-time-isolated bricks.…”

Section: Introductionmentioning

confidence: 99%

“…We propose to base the design of the new machine upon the architecture used to develop the Thor accelerator. The architecture is founded on three fundamental concepts: single-stage electrical-pulse compression, impedance matching, and transit-time-isolated drive circuits [37][38][39][40][41][42][43].…”

Section: Introductionmentioning

confidence: 99%

“…In this article, we describe a conceptual design of such an accelerator. Since much of the accelerator is water insulated, we refer to it as Neptune [38]. The Neptune machine has an energy efficiency that, for dynamic-material-physics experiments, is 2.4 times greater than that of ZR.…”

Section: Introductionmentioning

confidence: 99%

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Conceptual design of a1013-W pulsed-power accelerator for megajoule-class dynamic-material-physics experiments

Stygar¹,

Reisman²,

Stoltzfus³

et al. 2016

Phys. Rev. Accel. Beams

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We have developed a conceptual design of a next-generation pulsed-power accelerator that is optimized for megajoule-class dynamic-material-physics experiments. Sufficient electrical energy is delivered by the accelerator to a physics load to achieve-within centimeter-scale samples-material pressures as high as 1 TPa. The accelerator design is based on an architecture that is founded on three concepts: single-stage electrical-pulse compression, impedance matching, and transit-time-isolated drive circuits. The prime power source of the accelerator consists of 600 independent impedance-matched Marx generators. Each Marx comprises eight 5.8-GW bricks connected electrically in series, and generates a 100-ns 46-GWelectrical-power pulse. A 450-ns-long water-insulated coaxial-transmission-line impedance transformer transports the power generated by each Marx to a system of twelve 2.5-m-radius water-insulated conical transmission lines. The conical lines are connected electrically in parallel at a 66-cm radius by a water-insulated 45-post sextuple-posthole convolute. The convolute sums the electrical currents at the outputs of the conical lines, and delivers the combined current to a single solid-dielectric-insulated radial transmission line. The radial line in turn transmits the combined current to the load. Since much of the accelerator is water insulated, we refer to it as Neptune. Neptune is 40 m in diameter, stores 4.8 MJ of electrical energy in its Marx capacitors, and generates 28 TW of peak electrical power. Since the Marxes are transit-time isolated from each other for 900 ns, they can be triggered at different times to construct-over an interval as long as 1 μs-the specific load-current time history required for a given experiment. Neptune delivers 1 MJ and 20 MA in a 380-ns current pulse to an 18-mΩ load; hence Neptune is a megajoule-class 20-MA arbitrary waveform generator. Neptune will allow the international scientific community to conduct dynamic equation-of-state, phase-transition, mechanical-property, and other material-physics experiments with a wide variety of drive-pressure time histories.

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Section: Conceptual Design Of Neptunementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Conceptual design of a1013-W pulsed-power accelerator for megajoule-class dynamic-material-physics experiments

Stygar¹,

Reisman²,

Stoltzfus³

et al. 2016

Phys. Rev. Accel. Beams

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“…In this article, we describe conceptual designs of two such accelerators: Z 300 and Z 800 [41]. These machines are petawatt-class accelerators that generate a 100-ns electrical power pulse at twice the energy efficiency of ZR.…”

Section: Introductionmentioning

confidence: 99%

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

Stygar¹,

Awe²,

Bailey³

et al. 2015

Phys. Rev. ST Accel. Beams

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124

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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 matching [Phys. Rev. ST Accel. Beams 10, 030401 (2007)]. The prime power source of each machine consists of 90 linear-transformer-driver (LTD) modules. Each module comprises LTD cavities connected electrically in series, each of which is powered by 5-GW LTD bricks connected electrically in parallel. (A brick comprises a single switch and two capacitors in series.) Six water-insulated radial-transmission-line impedance transformers transport the power generated by the modules to a six-level vacuum-insulator stack. The stack serves as the accelerator's water-vacuum interface. The stack is connected to six conical outer magnetically insulated vacuum transmission lines (MITLs), which are joined in parallel at a 10-cm radius by a triple-post-hole vacuum convolute. The convolute sums the electrical currents at the outputs of the six outer MITLs, and delivers the combined current to a single short inner MITL. The inner MITL transmits the combined current to the accelerator's physics-package load. Z 300 is 35 m in diameter and stores 48 MJ of electrical energy in its LTD capacitors. The accelerator generates 320 TW of electrical power at the output of the LTD system, and delivers 48 MA in 154 ns to a magnetized-liner inertial-fusion (MagLIF) target [Phys. Plasmas 17, 056303 (2010)]. The peak electrical power at the MagLIF target is 870 TW, which is the highest power throughout the accelerator. Power amplification is accomplished by the centrally located vacuum section, which serves as an intermediate inductive-energy-storage device. The principal goal of Z 300 is to achieve thermonuclear ignition; i.e., a fusion yield that exceeds the energy transmitted by the accelerator to the liner. 2D magnetohydrodynamic (MHD) simulations suggest Z 300 will deliver 4.3 MJ to the liner, and achieve a yield on the order of 18 MJ. Z 800 is 52 m in diameter and stores 130 MJ. This accelerator generates 890 TW at the output of its LTD system, and delivers 65 MA in 113 ns to a MagLIF target. The peak electrical power at the MagLIF liner is 2500 TW. The principal goal of Z 800 is to achieve high-yield Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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Conceptual designs of 300-TW and 800-TW pulsed-power accelerators

Cited by 2 publications

References 0 publications

Conceptual design of a1013-W pulsed-power accelerator for megajoule-class dynamic-material-physics experiments

Conceptual design of a1013-W pulsed-power accelerator for megajoule-class dynamic-material-physics experiments

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

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