槳體旋渦 的英文怎麼說
中文拼音 [jiǎngtǐxuánguō]
槳體旋渦
英文
propeller-hull vortex-
Their maneuvering and control systems are made up of several propellers. this system has many disadvantages such as big volume, high consuming of energy, low total efficiency, high noise and vortex
它們使用的操縱和控制系統大多是由多個螺旋槳推進器組成的,這樣的系統體積大、重量大、能耗高、綜合效率低,並有較大的噪音和尾渦。Owing to unsteady ship driving power, vibration of ship body, sealing function of seal part and variable stern flow companying with rotating propeller, the unsteady force results to vibration of ship shaft, which makes the oil film of stern journal bearing vibrate
由於船舶動力的非穩定性、船體的振動、尾軸密封裝置的密封作用及螺旋槳的不均勻伴流作用,導致尾軸振動,使得尾軸承潤滑油膜渦動。
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