... 12 08 2024 25 09 2024 01 10 2024 © Emerald Publishing Limited 2024 Emerald Publishing Limited Licensed re-use rights only Lubricating oils Carbon nanoparticles PAO In recent years, the application of nanoparticles in lubricants has attracted extensive attention...

... transfer. Subrata Kumar Ghosh can be contacted at: subratarec@yahoo.co.in 21 01 2016 20 02 2016 04 04 2016 © Emerald Publishing Limited 2017 Emerald Publishing Limited Licensed re-use rights only CFD Numerical analysis Machinery Lubricating oils Heat transfer...

... Emerald Group Publishing Limited Licensed re-use rights only Lubricating oils Effective temperature Non-circular journal bearing Thermo-hydrodynamic analysis Sommerfeld number All India Council 20/AICTE/RIFD/RPS(POLICY-II)77/2012-13 C_H Horizontal clearance, m...

... Emerald Group Publishing Limited 2016 Emerald Group Publishing Limited Licensed re-use rights only Coatings Friction Sealing materials Lubricating oils DLC Mechanical seal WC/C Boric acid powder Liquid lubricant The primary objective of the mechanical seal is to prevent...

.... Carbonaceous deposits in automotive engines are the major problems associated with oil aging. Efficient detergents and dispersants have been used to solve this problem, particularly in lubricating oils. Design/methodology/approach – The structures of the prepared compounds were confirmed using Fourier...

... and energy dispersive X-ray spectroscopy techniques. Findings – Catalysis-friendly and sulphur-based mercapthocarboxylate additive can be an alternative antiwear additive package for lubrication oil due to better wear performance when compared to ZDDP. Originality/value – Sulphur-based...

...Nehal S. Ahmed; Amal M. Nassar; Rabab M. Nasser Purpose – The purpose of this paper is to prepare novel types of copolymers and terpolymers depending on jojoba, and using them as additives for lubricating oil. Design/methodology/approach – Copolymerization of 1 mole of jojoba with 2 moles...

... behaviour of oils containing Fe particles and various additives in lubricants has a practical interest. The findings could be helpful to increase the knowledge of the behaviour of real tribological systems, where the metallic debris are generated during friction and contaminate the lubricating oil...

...Avinash A. Thakre; Animesh Thakur Purpose – The purpose of this paper is to include investigation on extreme pressure lubrication behaviour of Al₂O₃ nanoparticles suspended in SAE20W40 lubricating oil. Effects of nanoparticles size (40-80 nm) and its concentration (0-1 per...

... lubricating oil additives. Design/methodology/approach – To study the effect of morphology of nanoparticles on their tribological properties, rice-like CuO nanoparticles were synthesized. To improve the solubility of CuO nanoparticles in organic media, the in-situ surface modification method was used...

... lubricating oil additives. Design/methodology/approach – To improve the anti-oxidation properties of these nanoparticles, two kinds of surface modifiers, oleic acid and oleylamine were used simultaneously. The morphology, composition, structure and thermal properties of as-synthesized Cu nanoparticles...

... applied to piston ring was also investigated by them and 12 per cent friction reduction was observed (Mabuchi and Higuchi, 2009). Additives Lubricating oils Lubricant additives with AW/EP function are controlling lubricant factors in the boundary and mixed lubrication regimes of the Stribeck...

... an important role in the continuous braking process. In continuous braking condition, the braking power can be shown as: Equation 1 © Emerald Group Publishing Limited 2014 Optimization Lubricating oils Oils Surface grooves Along with the development of mechanical industry, various...

... increases with the concentration of lubricating oil additive solution and depend on the amount of the additive adsorbed on the surfaces. ZEDPs are much more thermally stable than ZDDPs. The XPS shows that the tribochemical films formed on rubbing surfaces contain zinc and iron phosphates and sulphates...

...Boshui Chen; Weijiu Huang; Jianhua Fang Purpose The purpose of this paper is to understand the impacts of oleoyl glycine on biodegradation, friction and wear performances of a mineral lubricating oil. Design/methodology/approach The biodegradabilities of a neat oil and its formulations...

...Zhang Yidong Purpose The purpose of this paper is to prove the self‐repairing Cu film of Cu‐DDP additive in base lubricating oil. Design/methodology/approach Cu nanoparticles coated with dialkydithiophosphate (Coded as Cu‐DDP) were synthesized in situ by redox method. The size...

... Publishing Limited 2012 Motor cycles Lubricating oils Engine oils Lubricants Lubrication Lubricity For centuries lubricants are used for reducing friction and wear between two moving surfaces. Besides their primary functions they are also used in heat transfer, contaminant suspension...

...Imtiaz Ahmad; M. Shakirullah; M. Ishaq; M. Arsala Khan; Jan ullah Purpose The purpose of this paper is to investigate some cheap and highly stable additives to improve the quality of lubricating oil. Design/methodology/approach The study was performed using phenol, p‐cresol and pyrogallol...

... excellent anti‐wear and friction‐reducing capacities. Research limitations/implications The anticorrosion properties have not been estimated. Practical implications A useful Nano‐Tin base lubricating oil additive is prepared and the activate method is explored. It may provide the potential...

... of internal combustion engines. Similarly, Turner and Austin (2003) also proposed an electrical technique for online condition monitoring of lubricating oils. Khandaker et al. (1993) used chromatic modulation technique to detect change oil condition not by detecting intensity changes...