9711

8955

كارشناسي ارشد

فيزيك هسته اي

اصفهان: دانشگاه صنعتي اصفهان، دانشكده فيزيك

1393

يازده،90ص.: مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

اكبر پروازيان

محمدحسن علامت ساز

94/1/18

احمد شيراني، مريم حسنوند

فيزيك

ID8955

91Abstract In recent years several methods for the use of fusion energy is proposed and tested One of thesemethods is fast ignition In this method the process of compression and ignition carried outseparately First the target is compressed by ion and laser beams to the surface density r 0 3 at low temperature In this step the fuel is compressed to a large level but without0 6ignition and hydrodynamic instability Then an interval 10 50 picosecond laser beam by thepower of and short wavelength 0 2 micrometer applied to heat the central region Inthis method a cone shaped area covered with gold sheet or other metals such as aluminum is created The laser beam by intensity is radiated to cone shaped area The laserbeam accelerates the electrons and ions of this area to the several MeV The generatedrelativistic electrons deposited10 100 kilojoules energy to the central region and formed plasmatransfer to the cold fuel In this study diagrams of flux energy deposition and stopping power for both modes with andwithout aluminum foil in fuel region are calculated and compared Another method used in thisstudy for nuclear fusion is shock ignition Shock ignition takes place in two step in the first steptarget is radiated by laser beam or heavy ions This beams compressed the target and because of it first step is called compression Intensity ofpower in this step is lower than the second step In the second step called the ignition stage istakes place exactly at the end of compression A pulse by intensity higher than the compression step of the order is radiated to compression target In this study we consider relationsof shock ignition by the different data Comparing the result of fast ignition and shock ignitionmethods for fuel pellet specify s that the energy required to shock ignition is 30 less than thefast ignition and energy gain is higher than fast ignition Keywords Nuclear fusion D T foil ICF Fast ignition Shock ignition Energy Gain

اكبر پروازيان

محمدحسن علامت ساز

احمد شيراني، مريم حسنوند