Search Results - "Tidman, D. A."

Sling launch of a mass using superconducting levitation by Tidman, D.A.

“…A sling concept is discussed in which a projectile could be slowly accelerated around a circular path to extremely high velocity (>10 km/s) in a closed…”
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The projectile-wall interface in rail launchers by Thio, Y.C., Huerta, M.A., Boynton, G.C., Tidman, D.A., Wang, S.Y., Winsor, N.K.

“…At sufficiently high velocity, an energetic gaseous interface is formed between the projectile and the gun wall. The authors analyze the flow in this interface…”
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Electrothermal light gas gun by Tidman, D.A., Massey, D.W.

“…An electrothermal light gas gun (ELGG) has been developed that has launched 2.0 g to about 7 km/s, 10 g to 4.6 km/s, and 17 g to 3.5 km/s with an efficiency of…”
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A gas-insulated railgun by Tidman, D.A., Witherspoon, F.D., Parker, J.V.

“…A railgun concept is discussed in which a high-pressure prefill of hydrogen serves as the close-in insulator between the rails. The gas-insulated railgun…”
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Filamentation Instability of Ion Beams Focused in Pellet-Fusion Reactors by Hubbard, R. F., Tidman, D. A.

“…The conditions under which high-power beams of multi-GeV heavy ions considered as possible igniters for pellet fusion would be subject to filamentation…”
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Seeded Megagauss Turbulence in Dense Fusion-Target Plasmas by Tidman, D. A.

“…A collision-dominated inhomogeneous plasma seeded with a distribution of impurity grains is calculated to fill out rapidly with random megagauss fields for…”
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A rail gun plasma armature model by Tidman, D., Goldstein, S., Winsor, N.

“…A simple model is constructed for the plasma armature of a rail gun. We make the assumption that no gun tube ablation occurs, and then calculate the barrel…”
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EMET technology for rail launchers by Burton, R., Goldstein, S., Tidman, D., Wang, S., Winsor, N., Witherspoon, F.

“…The EMET concept is a marriage of electrothermal plasma jet technology with rail accelerators using plasma armatures. By injecting a structured plasma…”
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Strong Magnetic Fields Produced by Composition Discontinuities in Laser-Produced Plasmas by Tidman, D. A.

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Structure of a Laser-Channeled Gas-Embedded z Pinch by Tidman, D. A.

“…The structure of a proposed several-megaamperes discharge created along a narrow filament of laser-produced ionization through a high-density deuterium-tritium…”
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Magnetic Field Generation by Ablation Waves or Shocks Propagating in Inhomogeneous Plasma by Tidman, D. A., Burton, L. L.

“…A simple model is given for magnetic field generation by steep steady-profile wavefronts such as ablation waves or shocks propagating across initially…”
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Radio Emission by Plasma Oscillations in Nonuniform Plasmas by Tidman, D. A.

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The MAID system - data base and design issues by Goldstein, S., Tidman, D., Sandel, F., Massey, D., Vitkovitsky, I., Scherrer, V.

“…Design issues and pinch implosion data are discussed in connection with a mass accelerator concept using a series of z-pinch implosions…”
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PROPAGATION OF HIGH-VOLTAGE STREAMERS ALONG LASER-INDUCED IONIZATION TRAILS by Vaill, J. R., Tidman, D. A., Wilkerson, T. D., Koopman, D. W.

“…The channeling and guidance of an electrical breakdown streamer via a laser-induced ionization trail is discussed, and preliminary experiments demonstrating…”
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Magnetic fields due to impurity grains in laser-produced plasma by Colombant, D. G., Tidman, D. A., Winsor, N. K.

“…Results of a numerical simulation model are given for the magnetic field produced by an impurity grain embedded in a dense inhomogeneous plasma…”
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Structure of a Shock Wave in Fully Ionized Hydrogen by Tidman, D. A.

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Electromagnetic Earth-to-space launch by Fair, H.D., Coose, P., Meinel, C.P., Tidman, D.A.

“…The authors review several of the previous electromagnetic and electrothermal launch concepts and discuss the critical related technologies which are essential…”
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Laser Target Model by Winsor, N. K., Tidman, D. A.

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Applications of rep-ratable mass accelerators (such as MAID) by Tidman, D., Goldstein, S.

“…Several applications of mass-accelerators are discussed with an emphasis on impact fusion as one of the most ambitious goals for such devices. Many…”
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Role of magnetic fields in suprathermal particle generation by laser-produced plasmas by Tidman, D.A., Stamper, J.A.

“…In this note we first use a simple circuit model to summarize the properties of the strong magnetic fields generated in laser-produced plasmas. It is pointed…”
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