downwash

基本解释

• n. 气流下洗；向下运动；由高处冲下的物质

同根派生

英汉例句

• Also important are the rotation of the slipstream and the change of downwash at the tail.
  此外，滑流的旋转和尾翼处下洗的变化也是重要的因素。
• Dust effects when driving over certain surfaces, rotor downwash effects for helicopters and VTOL aircraft.
  . 粉尘影响驾车时的某些表面，转子影响直升机和垂直起降飞机。
• This induced component of velocity is called downwash, and it reduces the amount of lift produced by the wing.
  这种诱导速度构成了所谓的下洗气流，而且它使机翼产生的总升力减小。
• At the same time the canard surface creates a downwash which degrade the main wing's performance.
  与此同时，鸭翼面产生下洗气流，它使主翼效率下降。
• Finally, the rotor downwash influence on infrared intensity of the hedicopter is calculated and analyzed.
  最后，计算和分析了旋翼洗流对直升机红外辐射强度的影响。

词组短语

短语

• downwash correction 下洗流修正
• downwash recirculation 下洗回流
• downwash gradient 洗流梯度
• complete downwash 总下洗
• downwash distribution 下洗流分布

英英字典

柯林斯英英字典

• the downward deflection of an airflow, esp one caused by an aircraft wing

专业释义

航空、航天科学技术

• (气流)下洗；下洗流；(旋翼或升力螺旋桨的)滑流
• 下洗

机械工程

• 下洗

  In this thesis,the rolling moment characteristics of canard missies are studied,and theinfluence of downwash of canard was analyzed.
  本文讨论了鸭式布局弹箭的滚转气动特性，分析了鸭舵的下洗影响作用。