high pressure first stage blade [动力] 高压第一级叶片
Thermal analysis on the first stage turbine rotor blade has been completed based on the CFD results under calculated conditions.
根据某型涡喷发动机计算状态叶片流场计算结果，对该发动机高压涡轮转子叶片进行了热分析；
The results show that the temperature reduces fast at first stage, because of the larger difference between blade and air. Then, the temperature reduction rate decreases slowerly, in cooling process.
结果表明：初始时刻叶片表面和环境温差较大，温降较快，随着冷却过程进行，温降速度变缓；
The changes of surface coating, basic structures and mechanical proper-tie? in first stage turbine blade of GH220 alloy tested by engine rig for 236 hour? has been investigated.
研究了国产GH220合金涡轮叶片经236小时台架试车后的表面渗层、基体组织与合金性能的变化。
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