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ZHENG Chaosheng, ZHANG Zhirong. 基于OpenFOAM的螺旋桨敞水性能预报方法J. Chinese Journal of Ship Research, 2012, 7(3): 30-35. DOI: 10.3969/j.issn.1673-3185.2012.03.006
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ZHENG Chaosheng, ZHANG Zhirong. 基于OpenFOAM的螺旋桨敞水性能预报方法J. Chinese Journal of Ship Research, 2012, 7(3): 30-35. DOI: 10.3969/j.issn.1673-3185.2012.03.006
ZHENG Chaosheng, ZHANG Zhirong. 基于OpenFOAM的螺旋桨敞水性能预报方法J. Chinese Journal of Ship Research, 2012, 7(3): 30-35. DOI: 10.3969/j.issn.1673-3185.2012.03.006
Citation:
ZHENG Chaosheng, ZHANG Zhirong. 基于OpenFOAM的螺旋桨敞水性能预报方法J. Chinese Journal of Ship Research, 2012, 7(3): 30-35. DOI: 10.3969/j.issn.1673-3185.2012.03.006
基于OpenFOAM的螺旋桨敞水性能预报方法
ZHENG Chaosheng
,
ZHANG Zhirong
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Abstract
为深入研究螺旋桨周围的粘流问题,基于面向对象的开源CFD 计算平台OpenFOAM,选择DTMBP4119桨作为对象,利用RANS方程计算了桨的敞水性能,并分别考察了网格依赖性和离散格式的影响。同时分析了不同半径处叶剖面的压力分布及桨前后的流场速度分布。为保证对流项离散的稳定性和高精度性,采用了二阶NVD格式Gamma混合差分格式,选取k-wSST模型作为湍流模型,压力速度耦合采用SIMPLE松弛算法。计算结果与试验数据吻合较好。研究建立了基于OpenFOAM的螺旋桨敞水性能预报方法。
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