Boiling regimes Free convection Nucleate Transition Film Isolated Jets and bubbles columns 107 Critical heat flux,gmax -qmax 106 105 B D q品in Leidenfrost point.qmin 104 ONB ATe.A ATe.B △Te,c △Te.D 103 5 10 30 120 1000 ATe=T;-Tsat (C) FIGURE 10.4 Typical boiling curve for water at 1 atm:surface heat flux q"as a func- tion of excess temperature,△T。=T,-Tat