Influence of Steady Temperature Field with Spray Lubrication Engaging-in/out on Shipping Helical Gear Tooth Surface

Ji Ruguang; Chen Weifang; Li Miaomiao

doi:10.16578/j.issn.1004.2539.2017.03.018

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Influence of Steady Temperature Field with Spray Lubrication Engaging-in/out on Shipping Helical Gear Tooth Surface

更新时间：2022-10-20

- Influence of Steady Temperature Field with Spray Lubrication Engaging-in/out on Shipping Helical Gear Tooth Surface
- Vol. 41, Issue 3, Pages: 88-92(2017)
- 作者机构：
  
  1. 南京航空航天大学机电学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.03.018
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[1]吉如桄,陈蔚芳,李苗苗.啮入/啮出侧喷油对船舶斜齿轮稳态温度场的影响[J].机械传动,2017,41(03):88-92.

Ji Ruguang, Chen Weifang, Li Miaomiao. Influence of Steady Temperature Field with Spray Lubrication Engaging-in/out on Shipping Helical Gear Tooth Surface. [J]. 41(3):88-92(2017)
[1]吉如桄,陈蔚芳,李苗苗.啮入/啮出侧喷油对船舶斜齿轮稳态温度场的影响[J].机械传动,2017,41(03):88-92. DOI： 10.16578/j.issn.1004.2539.2017.03.018.

Ji Ruguang, Chen Weifang, Li Miaomiao. Influence of Steady Temperature Field with Spray Lubrication Engaging-in/out on Shipping Helical Gear Tooth Surface. [J]. 41(3):88-92(2017) DOI： 10.16578/j.issn.1004.2539.2017.03.018.

摘要

船用齿轮箱是船舶上广泛应用的机械,研究其齿轮温度场对避免齿轮胶合失效具有较大意义。对船舶斜齿轮喷油过程进行了深入分析,在啮合齿面摩擦发热温升计算的基础上,建立斜齿轮喷油过程的计算流体动力学（CFD）模型,分别对啮入侧喷油、啮出侧喷油以及啮入侧和啮出侧同时喷油3种喷油方式的冷却效果进行了分析计算,得到不同喷油方式下润滑射流、空气以及气液混合流对啮合齿面的换热系数,并分析比较了不同换热系数下的齿面稳态温度场。结果表明,对于船舶斜齿轮喷油过程,选择啮入侧和啮出侧同时喷油的喷油方式,其冷却效果较好;对于啮入侧和啮出侧油速选择,应根据齿轮结构、工况等条件进行计算,算例计算结果为选择啮入侧油速15 m/s、啮出侧油速45 m/s便可达到较好的冷却效果。

Abstract

The gearbox is widely used in ships,studying its gear temperature field to avoid gear scuffing failure has larger significance. The rising temperature field by friction on gear tooth surface are simulated through the in- depth analysis of spray lubrication process of shipping helical gear,then the computational fluid dynamics（ CFD） method of spray lubrication process is established. Three types of spray ways including spray lubrication through engaging- in direction,spray lubrication through engaging- out direction,and spray lubrication through both engaging- in and engaging- out directions are calculated,and heat transfer coefficient of oil / air on meshing tooth surface of helical gear are obtained under different spray ways. The influence of different spray ways on meshing surface are compared under the influence on temperature with different heat transfer coefficient. The results show that,for better cooling effect,the oil should be sprayed both in engaging- in and engaging- out directions. The velocity of oil in the two directions depending on the structure,working condition of helical gear,but a better cooling effect has been calculated with 15 m / s in engaging- in and 45 m / s in engaging- out in this model.

关键词

斜齿轮喷油方式计算流体动力学换热系数喷油速度

Keywords

Helical gearSpray oil modeComputational fluid dynamicsHeat transfer coefficientSpray oil velocity

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