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KTM TOKAMAK OPERATION SCENARIOS SOFTWARE INFRASTRUCTURE
Pavlov, V.,Baystrukov, K.,Golobokov, Yu.,Ovchinnikov, A.,Mezentsev, A.,Merkulov, S.,Lee, A.,Tazhibayeva, I.,Shapovalov, G. Korean Nuclear Society 2014 Nuclear Engineering and Technology Vol.46 No.5
One of the largest problems for tokamak devices such as Kazakhstan Tokamak for Material Testing (KTM) is the operation scenarios' development and execution. Operation scenarios may be varied often, so a convenient hardware and software solution is required for scenario management and execution. Dozens of diagnostic and control subsystems with numerous configuration settings may be used in an experiment, so it is required to automate the subsystem configuration process to coordinate changes of the related settings and to prevent errors. Most of the diagnostic and control subsystems software at KTM was unified using an extra software layer, describing the hardware abstraction interface. The experiment sequence was described using a command language. The whole infrastructure was brought together by a universal communication protocol supporting various media, including Ethernet and serial links. The operation sequence execution infrastructure was used at KTM to carry out plasma experiments.
KTM Tokamak Operation Scenarios Software Infrastructure
V. PAVLOV,K. BAYSTRUKOV,YU. GOLOBOKOV,A. OVCHINNIKOV,A. MEZENTSEV,S. MERKULOV,A. LEE,I. TAZHIBAYEVA,G. SHAPOVALOV 한국원자력학회 2014 Nuclear Engineering and Technology Vol.46 No.5
One of the largest problems for tokamak devices such as Kazakhstan Tokamak for Material Testing (KTM) is theoperation scenarios’ development and execution. Operation scenarios may be varied often, so a convenient hardwareand software solution is required for scenario management and execution. Dozens of diagnostic and control subsystemswith numerous configuration settings may be used in an experiment, so it is required to automate the subsystemconfiguration process to coordinate changes of the related settings and to prevent errors. Most of the diagnostic andcontrol subsystems software at KTM was unified using an extra software layer, describing the hardware abstractioninterface. The experiment sequence was described using a command language. The whole infrastructure was brought together by a universal communication protocol supporting various media,including Ethernet and serial links. The operation sequence execution infrastructure was used at KTM to carry outplasma experiments.
Nemanja D. Bani c,Biljana F. Abramovi c,Jugoslav B. Krsti c,Daniela V. Šoji c Merkulov,Nina L. Fin9cur,Miodrag N. Mitri c 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.70 No.-
This work presents the characterization of novel synthesized WO3/Fe3O4 catalysts and investigates theirphotocatalytic activity for thiacloprid decomposition under UV and simulated sunlight radiation. FourWO3/Fe3O4 nanopowders with different amounts of WO3 were synthesized by chemical co-precipitationmethod. XRD analysis showed the presence of hematite and magnetite nano-dimensional phases ofFe3O4 in the catalysts. The magnetite phase content increased with increasing WO3 content. Degradationefficiency of thiacloprid in the presence of 6.1WO3/Fe3O4/H2O2 under simulated solar radiation was 2.2times higher compared to Fe3O4. Under an external magneticfield, a significant increase in the catalystsseparation from reaction mixture was observed.
Panasenko A.E.,Shichalin O.O.,Yarusova S.B.,Ivanets A.I.,Belov A.A.,Dran'kov A.N.,Azon S.A.,Fedorets A.N.,Buravlev I. Yu,Mayorov V. Yu,Shlyk D. Kh,Buravleva A.A.,Merkulov E.B.,Zarubina N.V.,Papynov E. 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.9
A new approach to the use of rice straw as a difficult-to-recycle agricultural waste was proposed. Potassium aluminosilicate was obtained by spark plasma sintering as an effective material for subsequent immobilization of 137Cs into a solid-state matrix. The sorption properties of potassium aluminosilicate to 137Cs from aqueous solutions were studied. The effect of the synthesis temperature on the phase composition, microstructure, and rate of cesium leaching from samples obtained at 800e1000 C and a pressure of 25 MPa was investigated. It was shown that the positive dynamics of compaction was characteristic of glass ceramics throughout the sintering. Glass ceramics RS-(K,Cs)AlSi3O8 obtained by the SPS method at 1000 C for 5 min was characterized by a high density of ~2.62 g/cm3 , Vickers hardness ~ 2.1 GPa, compressive strength ~231.3 MPa and the rate of cesium ions leaching of ~1.37 107 g cm2 $day1 . The proposed approach makes it possible to safe dispose of rice straw and reduce emissions into the atmosphere of microdisperse amorphous silica, which is formed during its combustion and causes respiratory diseases, including cancer. In addition, the obtained is perspective to solve the problem of recycling long-lived 137Cs radionuclides formed during the operation of nuclear power plants into solid-state matrices.