https://orcid.org/0000-0001-6301-1573
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ABSTRACT
This study explored the use of vegetable oil-based polyolester of rapeseed oil as a potential biolubricant for reciprocating air compressor. Rapeseed oil-based pentaerythritol ester (PE) was formulated via ultrasound-assisted transesterification process. Response surface methodology (RSM) based D-optimal design of experiments was used to analyse the tribological parameters, such as disc rotational speed, load and compressor oils on various tribological behaviours, namely, coefficient of friction (COF) and specific wear rate (SWR) using a pin-on-disc tribometer. The least specific wear rate of 1.85 × 10−5 mm3/Nmand COF of 0.0393 was recorded at optimal conditions. The surface morphology analysis of the tested pin using SEM/EDX and tribo-film formation analysis of disc surface using XPS technique disclosed that blended compressor oil (PE75), i.e., 75% by volume of PE and 25% by volume of synthetic compressor oil (SAE30) has numerous capabilities as environmental friendly compressor oil.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Data Availability Statement
The authors were unable to link a valid data repository to the data used in this study as the scholar is to be subjected to include those data in their research thesis as per the regulations of UGC.
Additional information
Notes on contributors
P. Chengareddy
Dr. P. CHENGA REDDY. graduated in Mechanical Engineering from Thirumalai Engineering College affiliated to Anna University, Chennai, India in 2009 and received his Master Degree in Thermal Engineering from Sri Chandrashekarendra Saraswathi Viswa Mahavidyalaya, Enathur, Kanchipuram, India in 2013 and completed Doctor of Philosophy in the year of 2021. He is currently working as an Assistant Professor in the Department of Mechanical Engineering at Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya, Enathur, Kanchipuram, India. He has 10 years of teaching experience.