Science and Technology of Nuclear Installations / 2009 / Article / Tab 2

Research Article

GCFR Coupled Neutronic and Thermal-Fluid-Dynamics Analyses for a Core Containing Minor Actinides

Table 2

Point Neutron Kinetics (NK) core parameters (with and without MA)

ParametersImposed powerReference core (point NK values)Reference core + MA (point NK values)

Reactor power50 MW50.02 MW50.02 MW
Total system flow rate32.10 Kg/s32.13 Kg/s32.11 Kg/s
Flow rate in hot channel0.581 Kg/s0.581 Kg/s0.581 Kg/s
Flow rate in average channel0.595 Kg/s0.595 Kg/s0.595 Kg/s
Reactor pressure at top of vessel6.92 MPa6.924 MPa6.92 MPa
Reactor mass of coolant without DHR389.75 Kg389.75 Kg389.75 Kg
Reactor mass of coolant with DHR473.54 Kg473.54 Kg473.54 Kg
Core inlet temperature263.9  0 𝑥 0 2 1 0 3 263.1  0 𝑥 0 2 1 0 3 262.8  0 𝑥 0 2 1 0 3
Core average exit temperature563.7  0 𝑥 0 2 1 0 3 564.5  0 𝑥 0 2 1 0 3 564.6  0 𝑥 0 2 1 0 3
Coolant temp rise in the core299.8  0 𝑥 0 2 1 0 3 300.5  0 𝑥 0 2 1 0 3 299.3  0 𝑥 0 2 1 0 3
Exit coolant temp in hot channel615.6  0 𝑥 0 2 1 0 3 616.5  0 𝑥 0 2 1 0 3 616.6  0 𝑥 0 2 1 0 3
Exit coolant temp in avg. Channel562.7  0 𝑥 0 2 1 0 3 563.5  0 𝑥 0 2 1 0 3 563.6  0 𝑥 0 2 1 0 3
Max clad temp in hot channel687.6  0 𝑥 0 2 1 0 3 693.5  0 𝑥 0 2 1 0 3 691.7  0 𝑥 0 2 1 0 3
Max clad temp in avg. channel621.2  0 𝑥 0 2 1 0 3 626.5  0 𝑥 0 2 1 0 3 624.9  0 𝑥 0 2 1 0 3
Max fuel temp in hot channel1069.5  0 𝑥 0 2 1 0 3 1073.9  0 𝑥 0 2 1 0 3 1070.4  0 𝑥 0 2 1 0 3
Max fuel temp in avg. channel946.0  0 𝑥 0 2 1 0 3 949.9  0 𝑥 0 2 1 0 3 946.8  0 𝑥 0 2 1 0 3
Main blower speed523.6 rad/s523.6 rad/s523.6 rad/s
Main blower rated head8007.8  m 2 / s 2 8321  m 2 / s 2 8319  m 2 / s 2
Main blower rated torque2009.1  P a m 3 2024.2   P a m 3 2024.5  P a m 3
MHX heat transfer area157.3  m 2 157.3  m 2 157.3  m 2

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.