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Influence of Breakwaters on Sailing Characteristics of an Amphibious Vehicle
Author(s): YUAN Xiao-long, ZHANG Min-di
Pages: 15-
19,28
Year: 2014
Issue:
2
Journal: Vehicle & Power Technology
Keyword: 两栖车; 防浪板; k-ω模型; 均相流模型; 数值分析;
Abstract: 基于实验结果,文中采用数值模拟方法研究了防浪板对两栖车航行阻力特性的影响.结合k-ω湍流模型与多相流模型,对不加装防浪板、加装防浪板以及加装新型防浪板的两栖车的水上航行性能进行了数值模拟分析.研究结果表明,均相流模型与k-ω湍流模型相结合,能够很好地模拟两栖车水上航行阻力特性;防浪板能够有效地降低两栖车所受阻力,合理的防浪板结构最大减阻效率可达40%;并且,防浪板能够有效提高两栖车航行时的稳定性.
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