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Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction

International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia.

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Main Authors: Chacko, Vivek, Karthikeyan, Bindu Kumar, Assoc. Prof.
Other Authors: to_bindukumar@yahoo.com
Format: Working Paper
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2012
Subjects:
Grease lubrication
Elastohydrodynamics
Herschel Bulkley Model
Numerical solution
Moes Parameters
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/19490
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spelling my.unimap-194902012-05-31T08:52:33Z Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction Chacko, Vivek Karthikeyan, Bindu Kumar, Assoc. Prof. to_bindukumar@yahoo.com Grease lubrication Elastohydrodynamics Herschel Bulkley Model Numerical solution Moes Parameters International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia. Grease lubricants behave as pseudo-plastic fluids i.e. their viscosity reduces under shear. With sufficient shear, the viscosity of grease approaches that of the base lubricant. This behaviour means that grease may be considered as a plastic fluid. Though, the numerical solutions for oil lubricants have been presented, that of the modified Reynolds equation for grease for point contacts remains challenging despite the advent of powerful computational techniques and platforms. In this work grease lubricated concentrated point contacts are analysed under isothermal conditions. Dimensionless control parameters are used to define the operating conditions in the contact conjunctions. The asymptotic behaviour of grease allows for the development of film thickness equations. From the results of the numerical method, an extrapolated equation for grease film thickness for piezo-viscous elastic EHD regime of lubrication is developed using the dimensionless parameters. 2012-05-31T08:52:32Z 2012-05-31T08:52:32Z 2012-02-27 Working Paper http://hdl.handle.net/123456789/19490 en Proceedings of the Intenational Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) Universiti Malaysia Perlis (UniMAP) Pusat Pengajian Kejuruteraan Mekatronik
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Grease lubrication
Elastohydrodynamics
Herschel Bulkley Model
Numerical solution
Moes Parameters
spellingShingle Grease lubrication
Elastohydrodynamics
Herschel Bulkley Model
Numerical solution
Moes Parameters
Chacko, Vivek
Karthikeyan, Bindu Kumar, Assoc. Prof.
Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction
description International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia.
author2 to_bindukumar@yahoo.com
author_facet to_bindukumar@yahoo.com
Chacko, Vivek
Karthikeyan, Bindu Kumar, Assoc. Prof.
format Working Paper
author Chacko, Vivek
Karthikeyan, Bindu Kumar, Assoc. Prof.
author_sort Chacko, Vivek
title Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction
title_short Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction
title_full Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction
title_fullStr Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction
title_full_unstemmed Extrapolated equation for grease film thickness in counter-formal EHL contact conjunction
title_sort extrapolated equation for grease film thickness in counter-formal ehl contact conjunction
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2012
url http://dspace.unimap.edu.my/xmlui/handle/123456789/19490
_version_ 1643792812435570688
score 13.214268

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