scholarly journals BOILING WATER REACTOR TECHNOLOGY STATUS OF THE ART REPORT. VOLUME II. WATER CHEMISTRY AND CORROSION

1963 ◽  
Author(s):  
C.R. Breden
Keyword(s):  
Water Chemistry ◽  
Boiling Water ◽  
Boiling Water Reactor ◽  
Water Reactor ◽  
Reactor Technology

Pebble Bed Boiling Water Reactor Concept With Superheated Steam

2002 ◽  
Author(s):  
G. Tsiklauri ◽  
D. Newman ◽  
G. Meriwether ◽  
V. Korolev
Keyword(s):  
Superheated Steam ◽  
Nuclear Reactor ◽  
Chemical Vapor ◽  
Boiling Water ◽  
Boiling Water Reactor ◽  
Outlet Temperature ◽  
Water Type ◽  
Pressurized Water ◽  
Water Reactor ◽  
Reactor Technology

An Advanced Nuclear Reactor concept is presented which extends Boiling Water Reactor technology with micro-fuel elements (MFE) and produces superheated steam. A nuclear plant with MFE is highly efficient and safe, due to ceramic-clad nuclear fuel. Water is used as both moderator and coolant. The fuel consists of spheres of about 1.5 mm diameter of UO2 with several external coatings of different carbonaceous materials. The outer coating of the particles is SiC, manufactured with chemical vapor disposition (CVD) technology. Endurance of the integrity of the SiC coating in water, air and steam has been demonstrated experimentally in Germany, Russia and Japan. This paper describes a result of a preliminary design and analysis of 3750 MWt (1500 MWe) plant with standard pressure of 16 MPa, which is widely achieved in the vessel of pressurized-water type reactors. The superheated steam outlet temperature of 550 °C elevates the steam cycle to high thermal efficiency of 42%.

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