نتایج جستجو برای: رآکتور vver 1000 بوشهر
تعداد نتایج: 74269 فیلتر نتایج به سال:
The article considers the existing models and correlations for describing heat transfer during film boiling. Film boiling is an important thermophysical process that determines course of interaction melt reactor core materials with coolant, which can potentially occur a severe accident at nuclear power plant pressurized water-cooled (VVER/PWR). values Nusselt number predicted by these are compa...
The paper considers the problem of selecting a turbulence model to simulate natural convection near surface VVER-1000 fuel assembly unloaded from reactor by computational fluid dynamics (CFD simulation) methods. is selected comparing calculated data obtained using Ansys Fluent software package with results experimental studies on heated vertical plate immersed in water, which simulates side fac...
INTRODUCTION The paper glosses on the experience of a research-oriented team routinely involved in emergency preparedness and response management activities, with the assimilation, implementation, and application of decision support systems (DSS) of continental reference in Europe, and the development of supportive, domestic radiological assessment tools. Two exemplary cases are discussed – the...
To simulate the behaviour of a nuclear power reactor it is necessary to be able to integrate the time-dependent neutron diffusion equation inside the reactor core. In particular, we will consider here VVER-type reactors which use the neutron diffusion equation discretized on hexagonal meshes. Several algorithms to integrate the time dependent neutron diffusion equation have been developed, by m...
عناصر پرتوزا در قلب رآکتور پژوهشی تهران با استفاده از کد محاسباتی 2.1 ORIGEN بررسی شدند. ابتدا، برای اطمینان از نحوهی مدلسازی، نتایج با نتایج «گزارش تحلیل ایمنی رآکتور پژوهشی تهران (SAR)» برای قلب مشابه، مقایسه شد. پس از اطمینان از درستی نتایج، محاسبه برای قلب C-57 رآکتور، انجام شد. براساس نتایج حاصل و با استفاده از کدهای مربوطه، امکان ارزیابی اثرهای پرتوشناختی ناشی از آزاد شدن عناصر پرتوزا د...
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