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Experimental study on the selected aspects of bow thruster generated flow field at ship zero-speed conditions
Ocean Engineering ( IF 5 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.oceaneng.2020.107463
Teresa Abramowicz-Gerigk , Miroslaw K. Gerigk

Abstract The paper presents the results of experimental study on the interaction between the bow thrusters understood as the flow field changes generated by bow tunnel thruster in deep water conditions operated as a single and twin units. The research was limited to zero-speed case for the ship dead in the water. The influence of the hull form and jet spread between the neighbouring thrusters for several combinations of the applied bow thruster propeller revolutions has been discussed. The results of the flow field measurements - velocity field, volume of fluid rate, mean velocity and thrust have been compared with the measurements of hydrodynamic forces generated by the bow thrusters on the hull. Both experiments were conducted at zero-speed using the same large physical man-manned model of a car–passenger ferry in 1:16 scale.

中文翻译:

舰船零速条件下艏侧推流场选择方面的实验研究

摘要 本文介绍了船首推进器之间相互作用的实验研究结果,该相互作用被理解为船首隧道推进器在深水条件下作为单台和双台运行时产生的流场变化。该研究仅限于沉没在水中的船的零速情况。已经讨论了船首推进器螺旋桨转速的几种组合对相邻推进器之间的船体形状和射流扩散的影响。流场测量结果——速度场、流体流量、平均速度和推力与船首推进器在船体上产生的水动力测量结果进行了比较。这两个实验都是在零速下进行的,使用的是 1:16 比例的汽车 - 客运渡轮的相同大型物理载人模型。
更新日期:2020-08-01
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