利用漩涡装置的 CFD 建模研究气力输送系统中不同弯曲角度下的弯曲侵蚀率

IF 0.7 4区工程技术 Q4 ENGINEERING, MARINE

International Journal of Maritime Engineering Pub Date : 2024-07-27 DOI:10.5750/ijme.v1i1.1342

Bharat Singh Yadav, Rajiv Chaudhary, R.C. Singh

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引用次数: 0

摘要

弯道侵蚀问题在气力输送设备中最为常见。颗粒在撞击弯管前的旋转被认为是将弯管侵蚀率降到最低的最佳解决方案。Ansys 中的 CFD k-w 模型用于分析低碳钢弯管在气力输送颗粒和电机驱动的漩涡装置作用下的侵蚀情况。在 15° 至 90° 弯头的不同几何形状下，弯头前的部分管道以不同速度旋转。采用欧拉和拉格朗日相结合的方法来跟踪颗粒。考虑了不同弯头角度下颗粒在弯曲表面的漩涡数学模型。由于颗粒的漩涡作用，弯曲侵蚀率得到了缓解。采用不同的速度和参数对结果进行评估。不同弯曲角度下的侵蚀率不同，而漩涡装置可将弯曲侵蚀率降至最低。

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CFD Modelling of Swirling Device to Study Bend Erosion Rate at Different Bend Angles in Pneumatic Conveying System

Bend Erosion problems were found mostly common in pneumatic conveying plants. Swirling of particles before striking the bend has been noted as the best solution to minimize bend erosion rate. CFD k-w model in Ansys was applied to analyze mild steel bend erosion in the pipeline by pneumatically conveyed particles with a motor-operated swirling device. A part of the pipe before the bend is rotated at different velocities in different elbow geometries from 15° to 90° elbows. A combination of Eulerian and Lagrangian methods were utilized to track particles. Mathematical modelling of the swirling of particles on bent surfaces is taken into consideration with different elbow angle. The bend erosion rate was mitigated due to the swirling of particles. Different velocities and parameters are taken to evaluate the results. At different bend angles erosion rate is different and the swirling device minimizes the bend erosion rate.

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来源期刊

International Journal of Maritime Engineering ENGINEERING, MARINE-

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The International Journal of Maritime Engineering (IJME) provides a forum for the reporting and discussion on technical and scientific issues associated with the design and construction of commercial marine vessels . Contributions in the form of papers and notes, together with discussion on published papers are welcomed.