Aframax油船自航性能的数值和试验研究(英文)
发布时间:2024-03-12 20:15
在船舶能效指数(EEDI)实施的工程背景下,本文对一艘实际营运的阿芙拉(Aframax)油船自航性能的数值和试验方法开展了研究。首先,在SSPA拖曳水池进行了阿芙拉船模的螺旋桨敞水试验、阻力试验和自航试验。其次,基于计算流体力学(CFD)理论和Star-CCM+软件平台建立了油船自航的数值模拟方法,在此基础上对Aframax船模自航性能进行了数值模拟。采用RANS方程和SST k-ω湍流模型模拟流场粘性,将流体体积函数法(VOF)用于追踪瞬时自由液面,此外,应用滑移网格技术来处理螺旋桨旋转问题。最后,通过与试验结果进行的对比验证了数值方法的有效性,并且对Aframax油船艉部进行了型线优化。对比结果可以发现,优化线型船模的推进功率降低了2.98%。
【文章页数】:10 页
【文章目录】:
0 Introduction
1 Experimental studies on Aframax model
1.1 Description of the Aframax model
1.2 Experimental tests and results
2 Numerical methods and validation
2.1 Numerical methods and models
2.2 Numerical solutions and discussion
2.2.1 Grid convergence
2.2.2 Validation of numerical methods
3 Optimization for the aft body form of the Aframax tanker
4 Conclusions
本文编号:3926822
【文章页数】:10 页
【文章目录】:
0 Introduction
1 Experimental studies on Aframax model
1.1 Description of the Aframax model
1.2 Experimental tests and results
2 Numerical methods and validation
2.1 Numerical methods and models
2.2 Numerical solutions and discussion
2.2.1 Grid convergence
2.2.2 Validation of numerical methods
3 Optimization for the aft body form of the Aframax tanker
4 Conclusions
本文编号:3926822
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