文中给出了在实验室条件下用图像处理方法计算水中微小气泡尺度的方法，实验结果对于研究舰船尾流场的光学特性有实际意义。
The method of computing tiny bubble radius using image processing is given in the article, and the results have practical meaning to study optical characteristic in ship wakes.
舰船空气尾流场是直升机舰上起降时的主要环境条件，对直升机的操稳性能及飞行安全有很大的影响。
The warship air-wake is a major environmental condition for the helicopter during take-off and landing from warship, which affects the helicopters control and stability and flight safety.
与在相同流动条件下光滑平板后的湍流尾流比较，涡街尾流较宽，平板底部压力较小。
The width of the wake is larger and the base pressure of the plate is lower in comparison with the fully turbulent wake behind a smooth flat plate at the same flow conditions.
由排水型高速船方尾流动现象物理特征的分析，讨论方尾流动的适当数学模型与方尾条件的提法。
The reasonable mathematical modeling and transom conditions for the transom flows are investigated through analyzing the physical characters of transom flow phenomena of high speed ships.
本文基于线性兴波阻力理论，把控制尾流分离作为约束条件，利用优化计算方法对设计水线下船体外形进行优化研究。
Based on linear wave making resistance theory and on & technique of boundary layer separation control, the present paper gives an optimized study of hull form below the design water line.
本文基于线性兴波阻力理论，把控制尾流分离作为约束条件，利用优化计算方法对设计水线下船体外形进行优化研究。
Based on linear wave making resistance theory and on & technique of boundary layer separation control, the present paper gives an optimized study of hull form below the design water line.
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