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

被引：93

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

页码：504 / 515

页数：12

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