Study on the Oil Churning Power Loss of External Gear Pump

Tang Jinglai; Deng Bin; Wang Guozhi; Yu Lanying

doi:10.16578/j.issn.1004.2539.2016.12.012

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Study on the Oil Churning Power Loss of External Gear Pump

更新时间：2022-10-20

- Study on the Oil Churning Power Loss of External Gear Pump
- Vol. 40, Issue 12, Pages: 57-60(2016)
- 作者机构：
  
  1. 西南交通大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.12.012
  CLC：
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[1]唐敬来,邓斌,王国志,于兰英.外啮合齿轮泵搅油损失的研究[J].机械传动,2016,40(12):57-60+72.

Tang Jinglai, Deng Bin, Wang Guozhi, et al. Study on the Oil Churning Power Loss of External Gear Pump. [J]. 40(12):57-60(2016)
[1]唐敬来,邓斌,王国志,于兰英.外啮合齿轮泵搅油损失的研究[J].机械传动,2016,40(12):57-60+72. DOI： 10.16578/j.issn.1004.2539.2016.12.012.

Tang Jinglai, Deng Bin, Wang Guozhi, et al. Study on the Oil Churning Power Loss of External Gear Pump. [J]. 40(12):57-60(2016) DOI： 10.16578/j.issn.1004.2539.2016.12.012.

摘要

在外啮合齿轮泵工作过程中,由于困油压缩产生高压,形成阻力矩,从而会产生一定的搅油损失。为了确定这部分损失的大小,提出了通过困油压力预测齿轮泵搅油损失的计算方法。利用FLUENT软件的动网格技术对某型号外啮合齿轮泵进行了二维的仿真计算,分析了一个困油周期内搅油损失随转速、工作压力的变化情况。结果表明,搅油损失主要受到困油压力的影响,并随着转速和工作压力的增大而增大,其大小占输入功率的0.43%,5,.26%。

Abstract

The pressure generated by the compression of the trapped oil lead to a resistance moment,which will result in a certain oil churning power losses,when the external gear pump is working. In order to determine this part of losses,a calculation method of the oil churning power losses of external gear pump is presented. The two- dimensional simulation of a certain type of external gear pump is carried out by using dynamic mesh technology of CFD software FLUENT,and the change of the oil churning power losses in a period of the trapped- oil under different revolving speed and working pressure is analyzed. The results indicate that the oil churning power losses are mainly affected by the trapped- oil pressure,and increase along with the revolving speed and working pressure,which account for 0. 43% ,5. 26% of the input power.

关键词

外啮合齿轮泵搅油损失动网格困油压力

Keywords

External gear pumpOil churning power lossDynamic meshTrapped-oil pressure

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