preswirl

基本解释

• 进气预旋

同根派生

英汉例句

• The damping effect of the honeycomb can reduce the influence of the inlet preswirl on the total temperature difference.
  蜂窝面的阻尼作用会削弱预旋对密封内温升特性的影响；
• Positive inlet preswirl can decrease the total temperature difference between the seal inlet and outlet, while the negative preswirl will cause the opposite effect.
  在相同压比条件下，正预旋会导致密封的总温升减小，而负预旋会导致密封总温升增大；
• Some suggestions have been obtained.First, the precondition of adopting counter-rotation scheme is that the narrowed range of preswirl would still satisfy the engine cycle requirements.
  使用对转叶轮机方案前提条件是对转导致的气流预旋范围能满足总体循环提出的要求；
• Review on counter-rotating turbomaehinery (CRT) is first presented.Then, two technique challenges on aspects of flow preswirl and off-design operation are analyzed by using velocity triangle method.
  摘要为获得关于对转叶轮机共性问题的认识，在回顾对转叶轮机发展之后，采用速度三角形方法分析了“对转”造成的气流预旋范围和变工况运行方面的技术挑战。
• Tip Aerodynamic Instability of High-Load Rotor with Preswirl and Excess Meridional Backswept
  高负荷正预旋子午较大后掠转子的一种尖部气动失稳