A New Integrated Approach for the Prediction of the Load Independent Power Losses of Gears: Development of a Mesh-Handling Algorithm to Reduce the CFD Simulation Time

IF 1.5 Q3 ENGINEERING, MECHANICAL Advances in Tribology Pub Date : 2016-04-03 DOI:10.1155/2016/2957151
F. Concli, A. D. Torre, C. Gorla, G. Montenegro
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引用次数: 45

Abstract

To improve the efficiency of geared transmissions, prediction models are required. Literature provides only simplified models that often do not take into account the influence of many parameters on the power losses. Recently some works based on CFD simulations have been presented. The drawback of this technique is the time demand needed for the computation. In this work a less time-consuming numerical calculation method based on some specific mesh-handling techniques was extensively applied. With this approach the windage phenomena were simulated and compared with experimental data in terms of power loss. The comparison shows the capability of the numerical approach to capture the phenomena that can be observed experimentally. The powerful capabilities of this approach in terms of both prediction accuracy and computational effort efficiency make it a potential tool for an advanced design of gearboxes as well as a powerful tool for further comprehension of the physics behind the gearbox lubrication.
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齿轮负荷独立功率损失综合预测新方法:减少CFD仿真时间的网格处理算法
为了提高齿轮传动的效率,需要建立预测模型。文献只提供了简化的模型,往往没有考虑到许多参数对功率损耗的影响。最近有一些基于CFD模拟的工作。这种技术的缺点是计算所需的时间。在这项工作中,一种基于特定网格处理技术的较省时的数值计算方法得到了广泛的应用。用这种方法模拟了窗口现象,并与实验数据进行了功率损耗的比较。比较表明,数值方法能够捕捉到可以在实验中观察到的现象。这种方法在预测精度和计算效率方面的强大能力使其成为变速箱先进设计的潜在工具,也是进一步理解变速箱润滑背后物理的有力工具。
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来源期刊
Advances in Tribology
Advances in Tribology ENGINEERING, MECHANICAL-
CiteScore
5.00
自引率
0.00%
发文量
1
审稿时长
13 weeks
期刊最新文献
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