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Laser Driver Fusion Reactor


Experimental and Theoretical Modeling of a Pure and Safe High Efficiency Laser Driver Fusion Reactor.

Tech Area / Field

  • FIR-MOD/Modelling/Fission Reactors

3 Approved without Funding

Registration date

Leading Institute
MIFI, Russia, Moscow

Supporting institutes

  • FIAN Lebedev, Russia, Moscow\nNPO Energia, Russia, Moscow reg., Korolev\nKrzhizhanovsky Energetics Institute, Russia, Moscow\nTRINITI, Russia, Moscow reg., Troitsk\nFederal State Unitary Enterprise Research and Development Institute of Power Engineering named after N.A.Dollezhal, Russia, Moscow\nBlagonravov Institute of Machine Science, Russia, Moscow\nNPO Lutch, Russia, Moscow reg., Podolsk

Project summary

The main goal of the Project is to develop a concept of an electric power station based on ecologically safe laser thermonuclear reactor with a jet or granular moving blanket, moderate target gain coefficient (50-100), and high efficiency of thermal energy conversion (more than 50%).

A typical feature of the proposed Project is the creation of two lithium flows in the reactor chamber: 1) a high-temperature flow (up to 1000-1200C), which serves to transform the energy; 2) low-temperature (300-500C) which ensures the vapor transparency for the laser beams before the target explosion. The jets form a hexagonal net and completely protect the reactor lateral surface from direct action of thermonuclear explosion products (as in HYLIFE project). The first wall is absent, and all the target explosion products are absorbed by the material of the jets. An increase of the jets number may essentially decrease the neutron load onto the reactor body, and thus to increase its lifetime up to 30-50 years, and to minimise the activation of its material.

One of the specific features of this project is to be the experimental foundation:

  • of lithium vapor transparency for the laser beams in the chamber (experimental modelling of high-temperature and low-temperature lithium jets interaction; testing of the lithium vapor density spatial distribution in a system of jets with different temperatures; testing of the constniction materials based on niobium and vanadium in liquid lithium and lithium vapor medium);
  • of macro body acceleration by electromagnetic injector, witch ensure the periodical transport of the fuel targets with high accuracy to laser beams focus; of the neutron- and -fields and mnctionals and radiation protection-in inhomogeneous structures of the blanket.

The another goals of the Project are as follows:
  • the analysis of economical feasibility of high-temperature thermal energy converters based on gas turbine and the binary cycle with the K-vapor turbine (the upper cascade);
  • optimisation of the target design with account for the reactor energy balance, the interaction between the target explosion products and the jet vapor and material (or the granular of the moving blanket), as well as the focusing optics.
  • numerical simulation of shock waves interaction with liquid jets, the reactor body and the focusing optics, analysis of he jet stability to the destruction by the shock wave;
  • designing of cooled focusing mirrors taking into account the restrictions on their deformation and damage threshold, brightness and pergence of the focused laser radiation, the lifetime of the mirrors.


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