Page 211 - Managing Global Warming

172 Managing Global Warming

power T °C 292–329 292–650 370–550 490–850 490–1000 550–800 (420–540) T out ¼700–800 T out ¼700–800 300–625 300–625

nuclear P MPa 15.5 4 0.1 9 7 0.1 0.1 0.1 25

IV of circuits moderator.
and No 2 2 3 1 2 1 2 2 3 3 1 2 1 2 the

III+, surrounding

III, Reactor cycle Indirect Indirect Indirect Direct Indirect Direct Indirect Indirect Indirect Indirect Direct Indirect Direct Indirect vessel
II, the is
Generations Moderator Graphite – – Graphite – Graphite – Water Heavy water – boundary pressure

selected Reactor coolant Water CO 2 Sodium Helium Helium Lead (LBE) Sodium fluoride with dissolved uranium Sodium fluoride with dissolved uranium Water Water actual the

of PV PV a PV PV PV PV PV PV PV PCh (PT) PV PCh (PT) moderator, graphite
parameters design Core Heterogeneous Heterogeneous Heterogeneous Heterogeneous Heterogeneous Heterogeneous Homogeneous Homogeneous Heterogeneous inside channels

reference individual

Basic reactors/concepts Neutron spectrum Thermal Thermal Fast Fast Thermal Fast Epithermal Fast Thermal Fast through flows

4.13 coolant
Table Reactor PWR AGR SFR GFR VHTR LFR MSR MSFR SCWR a Though