Science and Technology of Nuclear Installations / 2011 / Article / Tab 1

Research Article

A Coupled Calculation Suite for Atucha II Operational Transients Analysis

Table 1

General design parameters.

Overall plant

Reactor type Pressurised heavy water reactor
Gross electrical output 745 MW
Thermal reactor output 2161 MW

Reactor core

Type of fuel Natural uranium dioxide
Number of fuel elements 451
Active length 5300 mm
Average fuel rod heat rate 232 W/cm
Refuelling On load

Reactor coolant system

Coolant and moderator Heavy water
Number of parallel coolant loops 2
Number of parallel moderator loops 4
Operating pressure at RPV outlet 115 bar
Coolant temperature at RPV inlet 278 C
Coolant temperature at RPV outlet 314 C
Average moderator temperature 170 C

Steam generators

Type U-tube heat exchanger
Height 21000 mm
Diameter Dome 4770 mm/tubesheet 3637 mm

Steam turbine-generator plant

Main steam pressure at steam generator outlet 55.9 bar
Main steam moisture 0.25%
Condenser vacuum 0.050 bar
Circulating water temperature 20 C

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