Программа исследований “Трансмутационные ускорительно-управляемые системы (УУС)” предусматривает сооружение к 2020 г. интегрального реактора CLEAR-I, охлаждаемого свинцом-висмутом в режиме естественной циркуляции, на котором будут проводиться исследования по физике, теплогидравлике и безопасности, а также отрабатываться технология создания комплекса УУС. Поканальный расчет активной зоны позволил определить положение наиболее напряженной ТВС и распределение потоков естественной конвекции теплоносителя в реакторе. Показано, что температура топлива и скорость теплоносителя в максимально напряженной ТВС не превышают допустимых значений.
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