International Journal of Nuclear Energy / 2013 / Article / Tab 7

Research Article

A Small-Sized HTGR System Design for Multiple Heat Applications for Developing Countries

Table 7

Major specifications of shutdown cooling system.


Thermal duty (MW)4.0
Primary helium
 Inlet temperature (rated condition) (°C)900
 Outlet temperature (rated condition) (°C)325
 Flow rate (kg/s)1.3
Cooling water
 Inlet temperature (°C)47
 Outlet temperature (rated condition) (°C)100
 Flow rate (kg/s)18
Heat exchanger tube
 Outer diameter (mm)31.8
 Thickness (mm)3.5
 Number of tubes19
Helical tube bundle
 Number of layers3
 Effective heat transfer area (m2)16