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首页> 外文期刊>International Journal of Marine Engineering Innovation and Research >Analysis of Erosion Rate on Discharge Slurry HDPE Pipe in Canal Water Intake PLTGU Grati using CFD Simulation
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Analysis of Erosion Rate on Discharge Slurry HDPE Pipe in Canal Water Intake PLTGU Grati using CFD Simulation

机译：CFD仿真分析运河水入口PLTGU GRATI排出浆料HDPE管腐蚀速率分析

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摘要

The dredging of the canal water intake at PLTGU Grati is an effort to maintain the depth of the reduced canal due to sedimentation. The dredging process itself uses a cutter suction dredger. To distribute mud or slurry (a mixture of water and sand) result of dredging to dumping area of? PLTGU Grati using HDPE (high-density polyethylene), as pipe material, hence pipe does not wear due to corrosion but erosion. Basically, erosion is caused by impact of solid particle (sand) which is suspended inflow (multiphase) on a solid wall boundary. Wear caused by erosion itself is recognized as one of the problems in some industries that distribute slurry in their process. This research thesis analyzes and predicts the rate of erosion occurring in HDPE pipes that are transported slurry from the sedimentation dredging in PLTGU Grati using CFD (computational fluid dynamic) method. Variations of slurry concentration, impact angle, particle diameter and velocity of the slurry has been be performed to determine the effect on the rate of erosion. The results of this research thesis showed that the concentration of slurry, impact angel, diameter of particle and the concentration of the slurry were directly proportional to the rate of erosion on the HDPE pipe.
机译：PLTGU GRATI的运河进水的疏浚是努力维持由于沉降而导致的渠道的深度。疏浚过程本身使用切割器抽吸挖泥船。分配泥浆或浆料（水和沙子的混合物）导致疏浚到倾销区域的结果？ PLTGU GRATI使用HDPE（高密度聚乙烯），作为管材，因此管道由于腐蚀而不是腐蚀而不会穿。基本上，侵蚀是由固体颗粒（砂）的撞击引起的，该固体颗粒（砂）在固体壁边界上是悬浮的流入（多相）的影响。由于侵蚀本身造成的磨损被认为是在其过程中分配浆料的一些行业中的问题之一。本研究论文分析并预测了HDPE管中发生的侵蚀速率，其使用CFD（计算流体动力学）方法从PLTGU GRATI中的沉淀物中运输浆料。已经进行了浆料浓度，冲击角，粒径和速度的变化，以确定对腐蚀速率的影响。本研究论文的结果表明，浆料，冲击天使，颗粒直径和浆料浓度的浓度与HDPE管道上的腐蚀速率成比例。

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