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Progress on Z-pinch Inertial Fusion Energy

By: Olson, C.L.; Rochau, G.; Slutz, S.; Morrow, C.; Olson, R.; Parker, A.; Cuneo, M.; Hanson, D.; Bennett, G.; Sanford, T.; Bailey, J.; Stygar, W.; Vesey, R.; Mehlhorn, T.; Struve, K.; Mazarakis, M.; Savage, M.; Owen, A.; Pointon, T.; Kiefer, M.; Rosenthal, S.; Schneider, L.; Glover, S.; Reed, K.; Benevides, G.; Schroen, D.; Krych, W.; Farnum, C.; Modesto, M.; Oscar, D.; Chhabildas, L.; Boyes, J.; Vigil, V.; Keith, R.; Turgeon, M.; Smith, B.; Cipiti, B.; Lindgren, E.; Smith, D.; Peterson, K.; Dandini, V.; McDaniel, D.; Quintenz, J.; Matzen, M.; VanDevender, J.P.; Gauster, W.; Shephard, L.; Walck, M.; Renk, T.; Tanaka, T.; Ulrickson, M.; Peterson, P.; De Groot, J.; Jensen, N.; Peterson, R.; Pollock, G.; Ottinger, P.; Schumer, J.; Kammer, D.; Golovkin, I.; Kulcinski, G.; El-Guebaly, L.; Moses, G.; Mogahed, E.; Sviatoslavsky, I.; Sawan, M.; Anderson, M.; Gallix, R.; Alexander, N.; Rickman, W.; Tran, H.; Panchuk, P.; Meier, W.; Latkowski, J.; Moir, R.; Schmitt, R.; Abbot, R.; Abdou, M.; Ying, A.; Calderoni, P.; Morley, N.; Abdel-Khalik, S.; Welch, D.; Rose, D.; Szaroletta, W.; Curry, R.; McDonald, K.; Louie, D.; Dean, S.; Kim, A.; Nedoseev, S.; Grabovsky, E.; Kingsep, A.; Smirnov, V.;

2004 / IEEE / 978-5-87911-088-3


This item was taken from the IEEE Conference ' Progress on Z-pinch Inertial Fusion Energy ' The long-range goal of the Z-pinch IFE program is to produce an economically-attractive power plant using high-yield Z-pinch-driven targets (<3 GJ) with low rep-rate per chamber (<0.1 Hz). He present mainline choice for a Z-pinch IFE power plant uses an LTD (Linear Transformer Driver) repetitive pulsed power driver, a Recyclable Transmission Line (RTL), a dynamic hohlraum Z-pinch-driven target, and a thick-liquid wall chamber. The RTL connects the pulsed power driver directly to the Z-pinch-driven target, and is made from frozen coolant or a material that is easily separable from the coolant (such as low activation ferritic steel). The RTL is destroyed by the fusion explosion, but the RTL materials are recycled, and a new RTL is inserted on each shot. The RTL concept eliminates the problems of a final optic, high-speed target injection, and pointing and tracking N beams (N<100). Instead, the RTL concept must be shown to be feasible and economically attractive. Results of Z-pinch IFE studies over the last three years are discussed, including RTL experiments at the 10 MA level on Saturn, RTL structural studies, RTL manufacturing/cost studies, RTL activation analysis, power plant studies, high-yield IFE target studies, etc. Recent funding by a U.S. Congressional initiative of $4M for FY04 is supporting research on (1) RTLs, (2) repetitive pulsed power drivers, (3) shock mitigation [because of the high yield targets], (4) planning for a proof-of-principle full RTL cycle demonstration [with a 1 MA, 1 MV, 100 ns, 0.1 Hz driver], (5) IFE target studies for multi-GJ yield targets, and (6) Z-pinch IFE power plant engineering and technology development.