Heat transfer and tribological performance of graphene nanolubricant in an internal combustion engine

被引：102
作者：
Rasheed, A. K. [1 ]
Khalid, M. [1 ]
Javeed, A. [2 ]
Rashmi, W. [3 ]
Gupta, T. C. S. M. [4 ]
Chan, A. [5 ]
机构：
[1] Univ Nottingham, Dept Chem & Environm Engn, Fac Engn, Malaysia Campus,Jalan Broga, Semenyih 43500, Selangor, Malaysia
[2] C Abdul Hakeem Coll Engn & Technol, Dept Mech Engn, Melvisharam 632509, TN, India
[3] Taylors Univ, Dept Chem Engn, Energy Res Grp, Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia
[4] Apar Ind Ltd, Apar House,Corp Pk, Bombay 400071, Maharashtra, India
[5] Univ Nottingham, Dept Civil Engn, Fac Engn, Malaysia Campus,Jalan Broga, Semenyih 43500, Selangor, Malaysia
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 103卷
关键词：
Nanolubricants; Graphene; Thermal efficiency; Nanotribology; THERMAL-CONDUCTIVITY; OXIDE SHEETS; NANOFLUIDS; LUBRICANT; FRICTION; EXFOLIATION; GRAPHITE;
D O I：
10.1016/j.triboint.2016.08.007
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this work the performance of graphene based nanolubricant using a 4-stroke IC engine test rig is investigated. A nanolubricant is formulated using graphene nanoflakes and engine oil meeting API 20W50 SN/CF and API 20W50 SJ/CF specifications. The addition of 0.01 wt% graphene to API 20W50 SN/CF results in 23% enhancement in thermal conductivity (k) at 80 degrees C, and 21% reduction in the coefficient of friction (mu). Moreover, 70% enhancement in heat transfer rate of the engine is also achieved in the presence of graphene. SEM images of the piston rings collected after 100 h of engine operation show that the oil containing graphene (12 nm) decreases. the piston wear compared to base oil without graphene. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：504 / 515
页数：12
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