Fuel elements (fuel rods) and spacer grids are the main of fuel assembly a nuclear reactor. Friction forces affect strength at all stages its life cycle. The paper presents methods results pre-reactor experimental studies static dynamic processes involving friction forces. These include manufacturer’s factory, hydrodynamic vibration rods fretting corrosion in “fuel cell” nodes spacing grid, mov...

In a subcritical reactor, each neutron produces only keff < 1 per generation (asymptotically and on average), thus the population decreases exponentially in absence of external source. The chain reaction is easy to stop, making such reactors inherently stable. Interestingly, contrary common wisdom, there no relation between keff, source intensity, output power reactor. this paper, I present var...

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NOOK REVIEWS Nuclear Navy: Rickover Thwarted Research on Light Weight Reactors . Project Seafarer Critics Attack National Academy's Review Group . Chemical Carciniens:-Jndustry Adopts Controversial "Quick" Tests. Nuclear testi_t tS.-.-SovietTreaties,Viewdwith Doubts and Misgivings . . . . AnotherNew Particle: Charmed Quarks Look Better Than Ever. . Water Structure and Ion Binding: A Role in Cel...

Extracting and tracking active objects are two major issues in surveillance and monitoring applications such as nuclear reactors, mine security, and traffic controllers. In this paper, a block-based similarity algorithm is proposed in order to detect and track objects in the successive frames. We define similarity and cost functions based on the features of the blocks, leading to less computati...

Every second greater than 10(25) antineutrinos radiate to space from Earth, shining like a faint antineutrino star. Underground antineutrino detectors have revealed the rapidly decaying fission products inside nuclear reactors, verified the long-lived radioactivity inside our planet, and informed sensitive experiments for probing fundamental physics. Mapping the anisotropic antineutrino flux an...

A research and development (R&D) project on a nuclear data processing and utilization system was started in 2002 for a five-year plan for innovative nuclear energy systems such as innovative reactors and accelerator-driven systems. The nuclear data processing and utilization system is being developed to use on a PC-Linux server through the Internet, so that it has a graphic user interface (GUI)...

In the last decade nuclear reactors have proven to be a source of electrical energy economically competitive with conventional means of power production. With the resulting increase in orders for nuclear power stations there has been a corresponding increase in public awareness of the safety and environmental aspects of these facilities. This public awareness has been evidenced by the number of...

We prove the uniqueness of the positive solution for a non-cooperative reaction–diffusion model of nuclear reactors, by converting the system to an equivalent cooperative one. © 2013 Elsevier Ltd. All rights reserved.