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力学学报  2012 

超空化航行体气体流量率的确定方法研究

DOI: 10.6052/0459-1879-11-320, PP. 694-700

Keywords: 人工超空化,气体流量率,边界层理论,减阻,水洞实验

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Abstract:

通气超空化技术是大幅提高水下航行体速度的重要途径,通气流量率的确定是实现该技术的核心问题之一.通常的流量率预估没有考虑雷诺数的影响,因而造成统计数据过于分散.基于边界层理论及其相关假设,提出了一种确定人工通气超空化气体流量率的预估方法,并引用相关试验数据进行验证.结果表明,所得近似关系式在雷诺数为0.35×105~5.4×105,空化器锥角为30°~180°的变化范围内都是适用的.

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