نتایج جستجو برای: plasma confinement
تعداد نتایج: 372668 فیلتر نتایج به سال:
Caspian kutum fish (Rutilus frisii) wild broodstocks were caught by gillnet during their upstream migration and subjected to short-time confinement stress and their physiological responses have been examined. Thirty fish (average weight of 1217.6 g) were divided into three experimental groups CO (control), OV (ovaprim) and CO+OV (cortisol+ovaprim) and placed into rearing tanks (10 fish tank-1; ...
recent experiments on the spherical tokamak have discovered the conditions to create a powerful plasma and ensure easy shaping and amplification of stability, high bootstrap current and confinement energy. the spherical tours (st) fusion energy development path is complementary to the tokamak burning plasma experiment such as nstx and higher toroidal beta regimes and improves the design of a po...
Recent experiments on the spherical tokamak have discovered the conditions to create a powerful plasma and ensure easy shaping and amplification of stability, high bootstrap current and confinement energy. The spherical tours (ST) fusion energy development path is complementary to the tokamak burning plasma experiment such as NSTX and higher toroidal beta regimes and improves the design of a po...
In this paper we have used plasma electron cyclotron emissions at the second harmonic frequency of extraordinary mode to determine the temperature profile of the plasma produced in IR-T1 Tokamak. The emissions obtained at different frequencies by a 5-channel heterodyne receiver, have been analyzed to determine the spatial variation of the electron temperature on the plasma cross section. The r...
A plasma focus facility is a magnetically confinement fusion device, characterized by a relatively simple structure. Nowadays, it is a well-known fact that the theory of shock waves stands for temperature increment in plasma of a PF device. On the other hand, we also know that computer simulations can make experimental works easier and more cost- effective. So based on the MHD theory, shock w...
A novel plasma confinement concept based on plasma confinement by electromagnetic pressure of circularly polarized electromagnetic fields is proposed. Practical implementation of this concept in a toroidal device is suggested. In this concept the confining field frequency is in the lower range such that the size of the device is much smaller than the vacuum wavelength. Most of the previous radi...
امواج سیکلوترونی الکترون به خاطر چگالی قطعی که دارند، امکان انتشار در پلاسمای فوق چگال همجوشی را ندارند. در اثر فرایند تبدیل مد که برای امواج سیکلوترونی الکترون روی می دهد، امواج برنشتین الکترون بوجود می آیند که چگالی قطع ندارند. بنابراین برای گرم کردن وهدایت جریان در پلاسمای همجوشی مناسب می باشند. در این پایان نامه ضریب تبدیل مد امواج سیکلوترونی به امواج برنشتین الکترون را محاسبه کرده ایم. برا...
Extensive lithium wall coatings and liquid lithium plasma-limiting surfaces reduce recycling, with dramatic improvements in Ohmic plasma discharges in the Current Drive Experiment-Upgrade. Global energy confinement times increase by up to 6 times. These results exceed confinement scalings such as ITER98P(y,1) by 2-3 times, and represent the largest increase in energy confinement ever observed f...
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