第34回日本伝熱シンポジウム(1997/5/22,仙台)発表論文

      原稿         グラフ



Fig.2 Effect of spray volume flux at the CHF for water

Table 1 Experimental spray parameter

Coolant Nozzle type Liquid pressure Spray fluxDm Droplet diameter Droplet velocity We
(MPa) m3/m2・s dm (μm) Vm (m/s)
Water TG-0.4 0.196 1.42×10-4 92 5.1 33
Water TG-0.4 0.394 1.97×10-4 60 5.8 28
Water TG-2 0.098 3.70×10-3 386 10.8 622
FC-72 TG-0.4 0.196 2.17×10-4 54 2.8 59

Fig. 3 Spray cooling characteristics for water at low volume flux

Fig. 4 Spray cooling characteristics for water at high volume flux



Fig. 5 Spray cooing characteristic for FC-72 at low volume flux