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Numerical Simulation and Experimental Study of the Shape of XBT Probe
Author(s): 
Pages: 60-64
Year: Issue:  2
Journal: Ocean Technology

Keyword:  XBT探头数值模拟阻力系数极限速度;
Abstract: XBT探头是一种手持投弃式温深剖面测量探头,外形结构直接影响其在水中的运动姿态,进而影响其采集数据的准确性.采用N-S方程及k-ε湍流模型对三种不同外形XBT探头的压力场和速度场进行数值模拟,研究了在不同雷诺数下阻力系数的变化趋势,获得了三种不同外形XBT探头的运动极限速度.通过分析攻角与升力关系表明有尾翼探头能够获得稳定的垂直下落姿态.由数值模拟分析结果与实验结果对比可知极限速度基本相符,验证了该数值模拟方法的正确性,可为XBT探头的结构设计提供重要的理论依据.
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