Kutateladze
Jens-Lottes
Thom
2x10 3
4x10
3
6x10 3
8x10 3
10 4
Heat flux ,
q [kW/m 2
]
Wall superheat, DT sat [K]
10
1
10 2
Kutateladze &
Ivey-Morris(ΔT sub =60K)
Before irradiation
q = 72.3º
After irradiation
q =12.6º
Fig. 10.9 Boiling curve before and after γ-ray for ΔT sub ¼ 60 K
Table 10.2 Contact angles before and after γ-ray irradiations
Subcooling (K)
Before irradiation (
)
After irradiation (
)
20
62.6
31.0
40
61.5
35.7
60
72.3
12.6
5x10 1
10 2
10 3
10 4
Non Irradiation, q MAX
g-ray Irradiation, q MAX
Non Irradiation, CHF
g-ray Irradiation, CHF
Kutateladze &
Ivey-Morris
Haramura-Katto
Heat flux ,
q [kW/m
2
]
Liquid subcooling, DT sub [K]
Fig. 10.10 Critical heat
flux (CHF) and maximum
heat flux before and after
γ-ray irradiation
10 Heat Transfer Study for ADS Solid Target: Surface Wettability. . .
103