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A discharge-type tube shaped neutron source has been developed utilizing fusion reactions on the surface of the cylindrical electrodes in the device. Neutron beam can be generated with adequate reflector design. From the neutronic analyses using the MCNP; three-dimensional particle transport code, using H2O or D2O as a reflector is essential to obtain narrow-shaped and sufficiently thermalized neutron...
This paper describes a conceptual design of an advanced blanket using liquid lithium lead (Li17Pb83) metal and high temperature material. Liquid lithium lead metal is expected as a material to solve some problems of solid blankets and expected to be operated at high temperature above900 degree C. We examined a feasible structure using advanced materials (the SiC/SiC compostite, reduced activation...
One of the major problems in the technological feasibility of the inertial confinement fusion reactor is the chamber that should accept pulsed load of radiation, ion particles and debris and be pumped out in the repeated pulsed operation cycle of several Hz. Especially in a fast ignition scenario, lead (or lithium lead) cone attached to the target fuel pellets adds specific material transfer issues...
We have simulated an IECF (inertial electrostatic confinement fusion) device by developing and using a particle code. Because a virtual anode is built up at large current region, which decelerates ions and reduces neutron yield, suppression of this virtual anode by supply of electrons from an additional electrode inside the cathode has been tried in the simulations. The simulation results show that...
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