应用 CFD 仿真确定螺旋桨冷却系统 (PFCS) 喷嘴入口的最佳水平位置

Q2 Mathematics CFD Letters Pub Date : 2023-11-30 DOI:10.37934/cfdl.16.2.5566
Faisal Mahmuddin, Muhammad Iqshal Naitullah Jasman, Syerly Klara, Ahmad Fitriadhy
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引用次数: 0

摘要

利用螺旋桨引起的流体流动来冷却发动机是一个有趣的研究课题。该系统被称为螺旋桨流冷却系统(PFCS)。在该系统中,有必要开发出产生最大排水量的最佳位置。本研究利用椭圆形进水喷嘴对船尾水流进行了模拟和分析。本研究旨在确定喷嘴入口几个水平位置产生的水量差异。在这项研究中,模拟了 0.7R 螺旋桨叶片上的进水口喷嘴到螺旋桨的水平距离,即 5 厘米、7.5 厘米、10 厘米、12.5 厘米、15 厘米,并使用计算动态流体(CFD)方法分析了产生最高水流量的最佳进水口喷嘴水平距离。研究结果表明,进水喷嘴到螺旋桨的最佳水平距离为 7.5 厘米。在这种情况下,计算模拟产生的水流量为 14.24 升/分钟。由此可以得出结论,螺旋桨上的进水喷嘴水平距离对产生的水流量有很大影响。
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Application of CFD Simulation to Determine the Optimal Horizontal Position of the Nozzle Inlet of a Propeller Flow Cooling System (PFCS)
Research on the use of fluid flow caused by the propeller to be used for engine cooling is an interesting research topic. The system is known as the Propeller Flow Cooling System (PFCS). It is necessary to develop the most optimal position to produce maximum water discharge in this system. This research carried out simulation and analysis with an elliptical inlet nozzle as the utilization of the stern flow of the ship. This study aims to determine the difference in the volume of water generated from several horizontal positions of the nozzle inlet. In this study, the simulated horizontal distance of the inlet nozzle to the propeller at 0.7R propeller blade that is, 5 cm, 7.5 cm, 10 cm, 12.5 cm, 15 cm and using the computational dynamic fluid (CFD) method to analyze the optimal horizontal distance of the inlet nozzle which produces the highest water flow rate. Based on the research result, it was shown that the optimal horizontal distance of the inlet nozzle to the propeller is a distance of 7.5 cm. The water flow generated in the computational simulation in this case was 14.24 liters/minute. In that case, it can be concluded that the effect of the horizontal distance of the inlet nozzle on the propeller greatly affects the flow of water produced.
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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