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壓氣機曲軸選用哪類鑄造合金
壓氣機曲軸選用哪類鑄造合金
更新时间:2025-12-05 04:39:26

  1、如果強度夠就選用鑄鐵的,如果強度不行就選用鍛鋼的。燃氣渦輪發動機中利用高速旋轉的葉片給空氣作功以提高空氣壓力的部件。壓氣機葉輪葉片的前端部分呈彎曲狀稱為導輪,起作用是将氣體無沖擊的導入工作葉輪,減小氣流沖擊損失。

  2、壓氣機出口空氣總壓與進口空氣總壓之比稱為壓氣機增壓比,增壓比相同時,理論上所需的壓縮功與實際消耗的機械功之比稱為壓氣機效率。

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