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Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed

This thesis is concerning about hydrodynamic lubrication in journal bearing. The research covers three primary areas: the formulation of an alternative biodegradable bio-lubricant using renewable resources; the performance evaluation of the formulated oil through a true-scale versatile journal beari...

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Main Author: Ahmed, Diyar I.
Format: Book Section
Language:English
Published: Institute of Graduate Studies, UiTM 2014
Subjects:
Malaysia
Online Access:http://ir.uitm.edu.my/id/eprint/19513/1/ABS_DIYAR%20I.%20AHMED%20TDRA%20VOL%206%20IGS_14.pdf
http://ir.uitm.edu.my/id/eprint/19513/
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spelling my.uitm.ir.195132018-06-12T02:05:03Z http://ir.uitm.edu.my/id/eprint/19513/ Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed Ahmed, Diyar I. Malaysia This thesis is concerning about hydrodynamic lubrication in journal bearing. The research covers three primary areas: the formulation of an alternative biodegradable bio-lubricant using renewable resources; the performance evaluation of the formulated oil through a true-scale versatile journal bearing test rig; and the modeling and prediction the behavior of bio-lubricant around the bearing circumference. The first part of the research is focused upon the formulation of an environmentally-friendly lubricant using vegetable oil with various composition of petroleum base stock. The physico-chemical and tribochemical properties of the formulated oil have been analyzed using multiple standards apparatuses. This study provides valuable data to conform an ISO VG 68 hydraulic industrial lubricant by blending 52.70 % (wt) soybean oil, 40.55 % (wt) mineral oil, and 6.75 (%) additive packages. The experimental results clearly demonstrated that the formulated green lubricant was far more efficient than the synthetic lubricant in terms of friction coefficient, wear rates, wear volume loss and worn surface morphologies. However, the green lubricant failed to outperform conventional lubricant with respect to degradation test and wear scar diameter performance. Institute of Graduate Studies, UiTM 2014 Book Section PeerReviewed text en http://ir.uitm.edu.my/id/eprint/19513/1/ABS_DIYAR%20I.%20AHMED%20TDRA%20VOL%206%20IGS_14.pdf Ahmed, Diyar I. (2014) Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed. In: The Doctoral Research Abstracts. IPSis Biannual Publication, 6 (6). Institute of Graduate Studies, UiTM, Shah Alam.
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Malaysia
spellingShingle Malaysia
Ahmed, Diyar I.
Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed
description This thesis is concerning about hydrodynamic lubrication in journal bearing. The research covers three primary areas: the formulation of an alternative biodegradable bio-lubricant using renewable resources; the performance evaluation of the formulated oil through a true-scale versatile journal bearing test rig; and the modeling and prediction the behavior of bio-lubricant around the bearing circumference. The first part of the research is focused upon the formulation of an environmentally-friendly lubricant using vegetable oil with various composition of petroleum base stock. The physico-chemical and tribochemical properties of the formulated oil have been analyzed using multiple standards apparatuses. This study provides valuable data to conform an ISO VG 68 hydraulic industrial lubricant by blending 52.70 % (wt) soybean oil, 40.55 % (wt) mineral oil, and 6.75 (%) additive packages. The experimental results clearly demonstrated that the formulated green lubricant was far more efficient than the synthetic lubricant in terms of friction coefficient, wear rates, wear volume loss and worn surface morphologies. However, the green lubricant failed to outperform conventional lubricant with respect to degradation test and wear scar diameter performance.
format Book Section
author Ahmed, Diyar I.
author_facet Ahmed, Diyar I.
author_sort Ahmed, Diyar I.
title Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed
title_short Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed
title_full Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed
title_fullStr Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed
title_full_unstemmed Formulation, performance evaluation and prediction of bio- lubricant for journal bearings / Diyar I. Ahmed
title_sort formulation, performance evaluation and prediction of bio- lubricant for journal bearings / diyar i. ahmed
publisher Institute of Graduate Studies, UiTM
publishDate 2014
url http://ir.uitm.edu.my/id/eprint/19513/1/ABS_DIYAR%20I.%20AHMED%20TDRA%20VOL%206%20IGS_14.pdf
http://ir.uitm.edu.my/id/eprint/19513/
_version_ 1685649224375468032
score 13.211869

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