Downwash

（重定向自Upwash）

In aeronautics downwash is the change in direction of air deflected by the aerodynamic action of an airfoil, wing or helicopter rotor blade in motion, as part of the process of producing lift.

Lift on airfoil is an example of application of Newton's third law of motion - the force required to create the downwash is equal in magnitude and opposite in direction to the lift force on the airfoil. Lift on an airfoil is also an example of the Kutta-Joukowski theorem - the Kutta condition explains the existence of downwash at the trailing edge of the wing.

单词	upwash
释义	upwash /'ʌpwɔʃ/ 英汉-汉英词典 n. 上洗(流)；上倾流；升流，上坡风；上升风词组 \| 习惯用语您要查找的是不是： wash n. 洗涤；洗的衣服；冲积物；化妆水 vt. 洗涤；冲走；拍打；洗刷 upward adj. 向上的；上升的 adv. 向上 upwind n. 逆风 adj. 逆风的 swash n. 虚张声势；泼水声；吓唬 vi. 飞溅；恐吓 waspish adj. 尖刻的；易怒的；如黄蜂的；腰细的 upwash n. 上洗流；升流；上升风；[航] 气流上洗网络短语: upwash angle 上洗角 induced upwash 诱导上洗 upwash calibration 上洗角修正 angle of upwash 上洗角 upwash pressure screen 升流式压力筛英语例句库 The two wall jets collide with each other and turn upward to form an upwash fountain which increases the lift force of the upper plate. 包围在喷射流与喷泉流附近的流体会被其带入而在周围形成数个涡流。声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。原声例句历年考研阅读新题型真题 Other birds flying in the upwash experience reduced drag, and spend less energy propelling themselves. 其他经历上洗流的飞鸟会受到变弱的阻力，这样在推动自身向前飞行的过程中能够消耗较少能量。历年考研阅读新题型真题 The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as upwash. 鸟翼上方的气流在翼尖后方向上盘旋，这种现象被称作气流上洗。英语百科 Downwash （重定向自Upwash） In aeronautics downwash is the change in direction of air deflected by the aerodynamic action of an airfoil, wing or helicopter rotor blade in motion, as part of the process of producing lift. Lift on airfoil is an example of application of Newton's third law of motion - the force required to create the downwash is equal in magnitude and opposite in direction to the lift force on the airfoil. Lift on an airfoil is also an example of the Kutta-Joukowski theorem - the Kutta condition explains the existence of downwash at the trailing edge of the wing.
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upwash /'ʌpwɔʃ/

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网络短语:

Downwash