The first phase, which focused on the combustor and high-pressureturbine, was completed in September 2009.
第一阶段致力于燃烧室和高压涡轮的测试已于2009年12月完成。
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The counter-rotating turbine design has been successfully applied in E3 program by P&W Company. The design characteristics of the high-pressureturbine stage was analyzed and discussed in this paper.
The new improved technology includes highpressureturbine airfoil advancements that enhance operational reliability, lower maintenance costs and improve fuel burn retention.