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首页> 外文期刊>Ocean Engineering >In-plane and single blade loads measurement setups for propeller performance assessment during free running and captive model tests
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In-plane and single blade loads measurement setups for propeller performance assessment during free running and captive model tests

机译：在自由运行和俘虏模型测试期间，在平面内和单刀片加载螺旋桨性能评估的测量设置

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摘要

During ship actual operative condition, the inflow experienced by the propeller is different from the one adopted during design phase: moderate, tight or emergency manoeuvres and heavy sea are some of the conditions that could occur, which alter the flow to the propeller. The resulting inflow gives rise to a complex system of loads developed by the blades and the propeller, which can cause failures and damages. Moreover, these loads have a direct impact on the manoeuvring ability of the ship, because act to stabilize the ship. The quantification of these loads and the assessment of their origin with ship dynamics and wake is pivotal to optimize the propulsive performance of the ship, mitigate their undesirable effects and, ultimately, achieve a successful design. In order to move further step with respect to standard monitoring of propeller performance in model testing and obtain a more complete set of information for the validation of numerical solvers, two novel experimental setups that were implemented and successfully tested on two ship models, are described in this paper. The first one is tasked for the measurements of the in-plane loads developed by the propeller, while by the second one is devoted to measure the complete set of loads generated by a single blade.
机译：在船舶实际操作条件下，螺旋桨经历的流入与设计阶段期间采用的一项不同：中等，紧张或紧急机动和大海是可能发生的一些条件，这改变了螺旋桨的流量。由此产生的流入引发了刀片和螺旋桨开发的复杂负载系统，这可能导致故障和损坏。此外，这些负荷对船舶的操纵能力直接影响，因为行为稳定船舶。这些负荷的量化和对船舶动态和唤醒的起源评估是关键的，以优化船舶的推进性能，减轻了他们不良影响，最终实现了成功的设计。为了在模型测试中对螺旋桨性能的标准监控进行进一步的步骤，并获得更完整的数值求解器验证的信息集，在两艘船舶模型上实施和成功测试了两种新的实验设置这篇报告。第一个任务用于测量由螺旋桨开发的面内载荷，而通过第二个，致专用于测量由单个刀片产生的完整的载荷集。

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