[en] Both steady state and advanced scenarios place constraints on the design of a divertor. Primarily these are related to imposing a minimum divertor density as well as the choice of target materials. There is also a competition between operational flexibility and divertor performance. (author)

[en] The stabilizing effects of the viscosity and heat conductivity on the interchange modes are studied numerically in a heliotron configuration. The viscosity cannot stabilize the mode completely although it reduces the growth rate substantially, while the heat conductivity can stabilize the mode completely. As substantial stabilizing effects are found in the range of the anomalous transport, they may explain the stable plasma observed in the Mercier unstable region in the CHS experiments. (author)

[en] This publication is the collection of the paper presented at the title conference. The topics are categorized as machine overview, core plasma physics, edge and divertor plasma physics, plasma facing components, plasma-surface interactions, plasma heating, plasma diagnostics, plasma fueling and control, and theory. The proceedings give a good summary of the contributions to this conference, and represent step in the further development of research activity toward the improvement of steady state plasmas. The 130 of the presented papers are indexed individually. (J.P.N.)

[en] In order to remove impurity ions from the magnetic traps or to transport high energy ions in the center of magnetic configuration it is possible to use the drift resonance of passing particle with the rotating magnetic field perturbation with the changeable frequency. To realise these effects the coil system similar to the coils that produce local island divertor configuration can be used. The principal new proposal here is the distribution of the currents in the coil system and their variation in time. (author)

[en] A set of one-dimensional model equation in helical system is analyzed including the electric field bifurcation. The spatial and temporal evolutions of the temperature and the electric field are examined. A spatial structure which is related with the edge transport barrier is discussed. A self-generated oscillation of the edge temperature and the heat flux loss takes place under the constant heat flux from the core. The oscillation occurs near the transition boundary. The transport barrier in the inner region is found in the high confinement state. (author)

[en] Boundary layer analysis of forced magnetic reconnection due to a boundary perturbation is revised. This revised analysis introduces correct asymptotic matching to take into account the effect of inertia in the inner layer precisely. The initial evolution of a new reconnection process is characterized by some significant features. One is that a reconnected flux increases on the same time scale as the boundary perturbation, which excludes the Sweet-Parker time scale obtained by use of the constant-ψ asymptotic matching. Another is that an induced surface current on a resonant surface is in such a direction as to oppose the progress of the reconnection. Moreover an equation for the time evolution of the reconnected flux is proposed in terms of an integral equation. (author)

[en] Transport of particles and energy by the effect of double layers, self-assembled at the edge of a confined plasma, towards a space charge configuration able to perform natural oscillations, reveals a new mechanism of anomalous transport of particles and energy in plasma devices. Based on these experimental results we suggest a new phenomenological basis for the explanation of flicker noise in fusion devices. (author)

[en] Density limit investigations have been performed under a variety of discharge conditions on HL-1M, including hydrogen isotope, silicon wall coating and a variety of fuelling methods (gas puff, pellet and supersonic molecular beam (SMB) injection). Detailed analysis shows that the HL-1M density limit is a disruptive limit and it is related to first wall recirculating and fuelling methods. The destruction of balance between radiation and input power is the main reason for the density disruption. (author)

[en] The Liouville equation is considered for relaxing dusty plasmas consisting initially of equilibrium electrons and ions as well as natural dust particles. The plasmas relax then due to a collection of electrons and ions by dust particles. The free and collected electrons and ions are considered as a common sub-system described by the common whole distribution function. It is shown that this sub-system is described by a complex integral-differential equation with Non-Markovian kinetics. The general properties of dusty plasmas are important for controlled fusion devices because dust particles can be created in fusion devices due to the plasma-wall interaction and therefore can influence particle and energy fluxes to the wall. (author)

[en] It is simulated the non-linear one-dimensional sheaths with dust particles of the given size, density and profile in an oblique magnetic field, using the modified PIC method with self-consistent dust particle charge. The Coulomb scattering and the collection of electrons and ions by dust particles are simulated by the Monte-Carlo method with 3D velocity distribution functions for electrons and ions. It is shown that an influence of dust particles on sheaths is depending on the ratio between characteristic times and lengths of the considered problem. Dust particles change boundary conditions and spatial distributions of sheath parameters causing a double structure of sheaths at an effective collection of ions by dust particles in sheaths. (author)