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Hydrodynamic optimization of pre-swirl stator by CFD and model testing

机译：基于CFD的预旋定子水动力优化及模型测试

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With environmental concerns becoming one of the most important issues facing the shipping/shipbuilding industry today, SSPA has witnessed strong demand for the development of energy saving devices (ESD). SSPA anticipates that the demand will be greater to respond to new requirements set by the IMO regulation on energy efficient design index (EEDI). SSPA has been involved in many joint research projects in developing energy saving solutions. Daewoo Shipbuilding and Marine Engineering Co. Ltd. (DSME) has developed several ESDs in cooperation with SSPA, where SSPA has tested most of the ESDs designed by DSME over the last 10 years. The pre-swirl stator (PSS) is a device mounted on the stern boss just upstream of the propeller (see Fig. 6 or Fig. 33). It is designed to generate pre-swirl flow to the propeller in order to gain a favorable interaction with the propeller that improves the propulsive efficiency and results in a power reduction. This paper is a full description of one of the developments of PSS from the early design stage, optimization phase, and confirmation by model tests to validation through sea trial tests.
机译：随着环境问题成为当今航运/造船业面临的最重要问题之一，SSPA见证了对开发节能设备（ESD）的强烈需求。 SSPA预计，对IMO能源效率设计指数（EEDI）法规设定的新要求的需求将会更大。 SSPA已参与许多联合研究项目，以开发节能解决方案。大宇造船海洋工程有限公司（DSME）与SSPA合作开发了几种ESD，SSPA在过去十年中对DSME设计的大多数ESD进行了测试。预旋流定子（PSS）是一种装置，安装在螺旋桨上游的船尾凸台上（参见图6或图33）。它被设计为产生到螺旋桨的预旋流，以便与螺旋桨获得良好的相互作用，从而提高推进效率并降低功率。本文全面描述了PSS从早期设计阶段，优化阶段以及通过模型测试进行确认到通过海试测试进行验证的发展之一。

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