In order to reveal the migration characteristics of hot streaks in a Vaneless Counter-Rotating Turbine (VCRT), a three-dimensional, viscous, unsteady CFD analysis is being performed.

• 为了揭示1+1／2(无低压导叶)对转涡轮进口热斑的迁移特性,运用三维非定常粘性流场计算程序对某1+1／2对转涡轮模型级在不同进口温度分布条件下的流场进行了数值模拟。