吉林大学学报(工学版) ›› 2022, Vol. 52 ›› Issue (3): 533-540.doi: 10.13229/j.cnki.jdxbgxb20210334

• 车辆工程·机械工程 • 上一篇    

RP-3航空煤油的润滑特性和改善措施

赵同宾1(),吴宜胜2,段耀宗1,黄震1,韩东1,2()   

  1. 1.上海交通大学 动力机械与工程教育部重点实验室，上海 200240
    2.上海交通大学 中英国际低碳学院，上海 201306
  • 收稿日期:2021-04-15 出版日期:2022-03-01 发布日期:2022-03-08
  • 通讯作者: 韩东 E-mail:zhaotongbin@sjtu.edu.cn;dong_han@sjtu.edu.cn
  • 作者简介:赵同宾（1975-），男，博士研究生. 研究方向：内燃机燃烧与排放控制. E-mail：zhaotongbin@sjtu.edu.cn
  • 基金资助:
    装备预研教育部联合基金项目(6141A02XXXX)

RP⁃3 jet fuel lubricity and improvement measurements

Tong-bin ZHAO1(),Yi-sheng WU2,Yao-zong DUAN1,Zhen HUANG1,Dong HAN1,2()   

  1. 1.Key Laboratory for Power Machinery and Engineering，Ministry of Education，Shanghai Jiao Tong University，Shanghai 200240，China
    2.China-UK Low Carbon College，Shanghai Jiao Tong University，Shanghai 201306，China
  • Received:2021-04-15 Online:2022-03-01 Published:2022-03-08
  • Contact: Dong HAN E-mail:zhaotongbin@sjtu.edu.cn;dong_han@sjtu.edu.cn

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摘要：

在一台高频往复式摩擦磨损测试机上，研究了燃料温度、应用载荷和磨损时间等因素对RP-3航空煤油润滑过程的影响，以及不同润滑改进剂对RP-3航空煤油润滑性能的改善效果。结果表明：RP-3航空煤油的钢球磨斑直径远大于柴油，增加载荷和延长磨损时间会使得钢球磨斑直径增大。然而，燃油温度升高可能会促进抗磨损产物生成，钢球磨斑直径略微减小。此外，添加润滑改进剂可以显著改善RP-3航空煤油的润滑性能，但是润滑改进剂对航空煤油润滑特性的改善作用存在极值，当添加量超过一定比例后，RP-3航空煤油的润滑性不再随添加剂比例的增大发生明显变化。

关键词: 能源与动力工程, RP-3航空煤油, 柴油, 润滑, 润滑改进剂

Abstract:

The effects of fuel temperature， working load and wearing time on the lubrication performance of RP-3 jet fuel were studied on a high-frequency reciprocating rig. Further， different lubricity additives were used to improve the lubrication performance of RP-3 jet fuel. It is revealed that RP-3 jet fuel produces larger wear scar diameter than diesel fuel， and increasing working load and wearing time elevate the wear scar diameter. Increasing fuel temperature slightly reduces wear scar diameter， possibly because of the increased generation of anti-wearing products. Lubricity additives can dramatically enhance RP-3 jet fuel lubrication performance， but the improvement effects are not monotonic with the addition fraction. As the addition fraction exceeds a certain value， the lubrication performance of RP-3 jet fuel does not obviously change with further addition of lubricity additives.

Key words: energy and power engineering, RP-3 jet fuel, diesel, lubricity, lubricity additives

中图分类号: 

  • TK427

表1

两种试验燃料和生物柴油的理化性质"

理化参数柴油RP-3航空煤油

生物

柴油

运动黏度/（mm2·s-1）@40 oC2.481.28（20 oC）4.70
密度/（g·ml-1）@40 oC0.830.780.88
表面张力/（10-3 N·m-1）@20 oC27.5023.60-
含硫量/%0.500.30<0.01

表2

SH/T 0765—2005标准下的试验参数"

参数数值
冲程/mm1.0
频率/Hz50
液体温度/℃60
应用载荷/g200
试验时间/min75

图1

不同测试条件下RP-3航空煤油和商业柴油的钢球平均磨斑直径对比"

图2

柴油和RP-3航空煤油在标准条件下的油膜厚度对比"

图3

RP-3在不同条件下的油膜厚度比较"

图4

RP-3航空煤油在添加和不添加润滑改进剂时的钢球平均磨斑直径"

图5

RP-3航空煤油在不同润滑添加剂作用下的油膜厚度曲线比较"

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