Page 190 - Thermal Hydraulics Aspects of Liquid Metal Cooled Nuclear Reactors

System thermal hydraulics for liquid metals 161

Lattice Triangle Triangle Square Triangle/square Triangle Triangle

1–4000 60–2000 10–2500 30–5000 4–4000 10–5000
Pe

1.2–2.0 1.25–1.46 1.2–1.5 1.1–1.95 1.06–1.95 1.1–1.4
p/D

rods D D
heated 0:56 + 0:19 p 0:56 + 0:19 p D + 250 p 1 Pe 0:85 D

cylindrical 2 Pe 2 Pe 0:64 + 0:246 p Pe 0:77 10:4 5:0 p +0:16 D

of p D p D p 1 exp 1 0:86
bundle 5 +0:007Pe D Pe 100

a 13 +0:041 13 +0:041 3:8
for p D p D p D exp 10:7 p 7:1 +0:024 3:8 p D
correlations Nu ¼ 7:55 p 20 D Nu ¼ 7:55 p 20 D Nu ¼ 7:55 p 14 D 1 D Nu ¼ 4:0+0:33

transfer Equation Nu ¼ 0:047 Nu ¼

heat
Convective al. Schriener Carelli

4.1 References et al. et al. et and and
Table Ushakov Zhukov Zhukov Mikityuk El-Genk Kazimi