A study on power prediction of full-formed ships using a combined EFD/CFD method
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摘要: 对三种肥大船型不同载况下形状因子(1+k)的确定方法及其适应性开展研究，探讨建立基于模型试验流体动力学(EFD)和计算流体动力学(CFD)组合方法的肥大船型实船功率预报方法。以某肥大型散货船为主要研究对象，分别采用模型试验和数值模拟方法确定形状因子并进行对比分析，然后采用EFD和CFD组合方法进行实船性能预报。研究表明：基于CFD获取形状因子并结合模型试验进行肥大船型功率预报，结果与实船试航结果比较接近且在误差允许范围内，验证基于EFD和CFD组合方法预报实船航速功率具有实用性和可行性。
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关键词:
- 模型试验流体动力学 /
- 计算流体动力学 /
- 模型试验与数值计算组合方法 /
- 形状因子 /
- 实船功率预报
Abstract: To predict the delivered power of full-formed ships using a combined EFD/CFD method, this work investigated methods of obtaining the hull form factor（1+k） for three full-formed ships under various loading conditions, and analyzed their applicability. The hull form factors of each vessel were obtained using model test and numerical simulation, respectively. They were compared and then utilized to perform full-scale predictions of the delivered power using the combined method. The research indicated that the hull form factor obtained from numerical simulation resulted in a closer match between the predicted full-scale delivered power and the trial data, with an allowable difference. The research also validated the applicability of the delivered power prediction of full-formed ships using the combined method. -
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