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压气机曲轴选用哪类铸造合金

更新时间: 2021-04-14 08:21:41     

1、如果强度够就选用铸铁的,如果强度不行就选用锻钢的。燃气涡轮发动机中利用高速旋转的叶片给空气作功以提高空气压力的部件。压气机叶轮叶片的前端部分呈弯曲状称为导轮,起作用是将气体无冲击的导入工作叶轮,减小气流冲击损失。

2、压气机出口空气总压与进口空气总压之比称为压气机增压比,增压比相同时,理论上所需的压缩功与实际消耗的机械功之比称为压气机效率。

关键词: 气机 曲轴 选用 铸造 合金

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