nusselt numbereigenvalue problem 基本例句 努塞尔数 Compared to the case of staggered arrangement between jet holes and crossflow holes, the stations corresponding to peak Nusselt numbers for inline arrangement move downstream.射流孔和横流孔呈顺排布置时，峰值努塞尔数所对应的射流驻点区向下游偏移。